feat: implement day03

src/day03.rs

@@ -0,0 +1,445 @@
+
+pub fn execute_task01(content: &str) {
+    let sum_of_machine_parts = solve_01(content);
+
+
+
+    println!("Day03 - Task01 - Sum of Machine-Parts: {}", sum_of_machine_parts)
+}
+
+pub fn execute_task02(content: &str) {
+    let sum_of_machine_parts = solve_02(content);
+
+    println!("Day03 - Task02 - Sum of Machine-Gears: {}", sum_of_machine_parts)
+}
+
+pub fn solve_01(content: &str) -> i32 {
+    let map: Vec<Vec<char>> = content.lines().map(|line| line.chars().collect()).collect();
+
+    let (machine_parts, _) = parse_to_parts(map);
+
+    return machine_parts.iter().map(|number| number.parse::<i32>().unwrap()).sum();
+}
+
+pub fn solve_02(content: &str) -> i32 {
+    let map: Vec<Vec<char>> = content.lines().map(|line| line.chars().collect()).collect();
+
+    let mut data = 0;
+
+    for (row_index, row) in map.iter().enumerate() {
+        for (col_index, char) in row.iter().enumerate() {
+            if char == &'*' {
+                let numbers = get_numbers_around(&map, row_index, col_index);
+
+                if numbers.len() <= 1 {
+                    continue
+                }
+                data += numbers
+                    .iter()
+                    .map(|data| data.parse::<i32>().unwrap()).product::<i32>();
+            }
+        }
+    }
+
+    return data;
+}
+
+fn get_numbers_around(map: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<String> {
+    let mut nums = vec![];
+
+    let mut data = String::new();
+
+    if row > 0 {
+        let row_data = map.get(row - 1).unwrap();
+        let mut data = String::new();
+        if col > 0 {
+            if row_data.get(col - 1).unwrap().is_ascii_digit() {
+                data.push(row_data.get(col - 1).unwrap().clone());
+
+                let mut i = 2;
+                while (col as i32 - i as i32) >= 0 {
+                    if let Some(char) = row_data.get(col - i) {
+                        if char.is_ascii_digit() {
+                            data = char.to_string() + data.as_str();
+                        } else {
+                            break;
+                        }
+                    } else {
+                        break;
+                    }
+
+                    i += 1;
+                }
+            }
+        }
+
+        if row_data.get(col).unwrap().is_ascii_digit() {
+            data.push(row_data.get(col).unwrap().clone())
+        } else {
+            if data.len() > 0 {
+                nums.push(data);
+                data = String::new()
+            }
+        }
+
+        if row_data.len() - 1 > col {
+            if row_data.get(col + 1).unwrap().is_ascii_digit() {
+                data.push(row_data.get(col + 1).unwrap().clone());
+
+                let mut i = 2;
+                while (col + i) < row_data.len() {
+                    if let Some(char) = row_data.get(col + i) {
+                        if char.is_ascii_digit() {
+                            data.push(char.clone())
+                        } else {
+                            break;
+                        }
+                    } else {
+                        break;
+                    }
+
+                    i += 1;
+                }
+            }
+        }
+
+        if data.len() > 0 {
+            nums.push(data);
+            data = String::new()
+        }
+    }
+
+    let row_data = map.get(row).unwrap();
+    if col > 0 {
+        if row_data.get(col - 1).unwrap().is_ascii_digit() {
+            data.push(row_data.get(col - 1).unwrap().clone());
+
+            let mut i = 2;
+            while (col as i32 - i as i32) >= 0 {
+                if let Some(char) = row_data.get(col - i) {
+                    if char.is_ascii_digit() {
+                        data = char.to_string() + data.as_str();
+                    } else {
+                        break;
+                    }
+                } else {
+                    break;
+                }
+
+                i += 1;
+            }
+        }
+    }
+
+    if data.len() > 0 {
+        nums.push(data);
+        data = String::new()
+    }
+
+    if row_data.len() - 1 > col {
+        if row_data.get(col + 1).unwrap().is_ascii_digit() {
+            data.push(row_data.get(col + 1).unwrap().clone());
+
+            let mut i = 2;
+            while (col + i) < row_data.len() {
+                if let Some(char) = row_data.get(col + i) {
+                    if char.is_ascii_digit() {
+                        data.push(char.clone())
+                    } else {
+                        break;
+                    }
+                } else {
+                    break;
+                }
+
+                i += 1;
+            }
+        }
+    }
+
+    if data.len() > 0 {
+        nums.push(data);
+        data = String::new()
+    }
+
+    if map.len() - 1 > row {
+        let row_data = map.get(row + 1).unwrap();
+        let mut data = String::new();
+        if col > 0 {
+            if row_data.get(col - 1).unwrap().is_ascii_digit() {
+                data.push(row_data.get(col - 1).unwrap().clone());
+
+                let mut i = 2;
+                while (col as i32 - i as i32) >= 0 {
+                    if let Some(char) = row_data.get(col - i) {
+                        if char.is_ascii_digit() {
+                            data = char.to_string() + data.as_str();
+                        } else {
+                            break;
+                        }
+                    } else {
+                        break;
+                    }
+
+                    i += 1;
+                }
+            }
+        }
+
+        if row_data.get(col).unwrap().is_ascii_digit() {
+            data.push(row_data.get(col).unwrap().clone())
+        } else {
+            if data.len() > 0 {
+                nums.push(data);
+                data = String::new()
+            }
+        }
+
+        if row_data.len() - 1 > col {
+            if row_data.get(col + 1).unwrap().is_ascii_digit() {
+                data.push(row_data.get(col + 1).unwrap().clone());
+
+                let mut i = 2;
+                while (col + i) < row_data.len() {
+                    if let Some(char) = row_data.get(col + i) {
+                        if char.is_ascii_digit() {
+                            data.push(char.clone())
+                        } else {
+                            break;
+                        }
+                    } else {
+                        break;
+                    }
+
+                    i += 1;
+                }
+            }
+        }
+
+        if data.len() > 0 {
+            nums.push(data);
+            data = String::new()
+        }
+    }
+
+    return nums;
+}
+
+fn get_cords_around(row: usize, col: usize, max_row: usize, max_col: usize) -> Vec<(usize, usize)> {
+    let mut cords = vec![];
+    if row > 0 {
+        if col > 0 {
+            cords.push((row - 1, col - 1));
+        }
+        cords.push((row - 1, col));
+        if max_col - 1 > col {
+            cords.push((row - 1, col + 1));
+        }
+    }
+
+    if col > 0 {
+        cords.push((row, col - 1));
+    }
+
+    if max_col - 1 > col {
+        cords.push((row, col + 1));
+    }
+
+    if max_row - 1 > row {
+        if col > 0 {
+            cords.push((row + 1, col - 1));
+        }
+        cords.push((row + 1, col));
+        if max_col - 1 > col {
+            cords.push((row + 1, col + 1));
+        }
+    }
+
+    return cords;
+}
+
+fn parse_to_parts(map: Vec<Vec<char>>) -> (Vec<String>, Vec<String>) {
+    let mut machine_part = vec![];
+    let mut non_machine_part = vec![];
+
+    for (row_index, row) in map.iter().enumerate() {
+        let mut machine = String::new();
+        let mut is_machine = false;
+
+        for (col_index, char) in row.iter().enumerate() {
+            if !char.is_ascii_digit() {
+                if machine.len() == 0 {
+                    continue
+                }
+
+                if is_machine {
+                    machine_part.push(machine)
+                } else {
+                    non_machine_part.push(machine)
+                }
+                machine = String::new();
+                is_machine = false;
+                continue
+            }
+
+            machine.push(char.clone());
+            if has_symbol_around(&map, row_index, col_index) {
+                is_machine = true
+            }
+        }
+
+        if machine.len() > 0 {
+            if is_machine {
+                machine_part.push(machine)
+            } else {
+                non_machine_part.push(machine)
+            }
+        }
+    }
+
+    return (machine_part, non_machine_part)
+}
+
+fn has_symbol_around(map: &Vec<Vec<char>>, row: usize, col: usize) -> bool {
+    if row > 0 {
+        let row_data = map.get(row - 1).unwrap();
+        if col > 0 {
+            let character = row_data.get(col - 1).unwrap();
+            if is_symbol(character) {
+                return true
+            }
+        }
+
+        let character = row_data.get(col).unwrap();
+        if is_symbol(character) {
+            return true
+        }
+
+        if row_data.len() - 1 > col {
+            let character = row_data.get(col + 1).unwrap();
+            if is_symbol(character) {
+                return true
+            }
+        }
+    }
+
+    let row_data = map.get(row).unwrap();
+    if col > 0 {
+        let character = row_data.get(col - 1).unwrap();
+        if is_symbol(character) {
+            return true
+        }
+    }
+
+    if row_data.len() - 1 > col {
+        let character = row_data.get(col + 1).unwrap();
+        if is_symbol(character) {
+            return true
+        }
+    }
+
+    if map.len() - 1 > row {
+        let row_data = map.get(row + 1).unwrap();
+        if col > 0 {
+            let character = row_data.get(col - 1).unwrap();
+            if is_symbol(character) {
+                return true
+            }
+        }
+
+        let character = row_data.get(col).unwrap();
+        if is_symbol(character) {
+            return true
+        }
+
+        if row_data.len() - 1 > col {
+            let character = row_data.get(col + 1).unwrap();
+            if is_symbol(character) {
+                return true
+            }
+        }
+    }
+
+    return false
+}
+
+pub fn is_symbol(character: &char) -> bool {
+    let result = match character {
+        '.' => false,
+        '0'..='9' => false,
+        _ => true
+    };
+
+    return result;
+}
+
+
+#[test]
+fn test_solve_01() {
+    let test_input = r#"467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598.."#;
+
+    let solution = solve_01(test_input);
+
+    assert_eq!(4361, solution);
+}
+
+#[test]
+fn test_solve_02() {
+    let test_input = r#"467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598.."#;
+
+    let solution = solve_02(test_input);
+
+    assert_eq!(467835, solution);
+}
+
+#[test]
+fn test_solve_01_2() {
+    let test_input = r#".......
+.12*34.
+......."#;
+
+    let solution = solve_01(test_input);
+
+    assert_eq!(46, solution);
+}
+
+#[test]
+fn test1() {
+    let data = vec![
+        vec!['.','.','.','#','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','#','.','#','.','1'],
+        vec!['.','1','.','.','2','.','#','3','.','.','4','.','.','5','.','6','.','.','7','#','.','8','.','.','9','.','2'],
+        vec!['.','.','.','.','.','.','.','.','.','#','.','.','.','#','.','.','#','.','.','.','.','.','.','.','.','.','3']
+
+    ];
+
+    assert_eq!(false, has_symbol_around(&data, 1, 1));
+    assert_eq!(true, has_symbol_around(&data, 1, 4));
+    assert_eq!(true, has_symbol_around(&data, 1, 7));
+    assert_eq!(true, has_symbol_around(&data, 1, 10));
+    assert_eq!(true, has_symbol_around(&data, 1, 13));
+    assert_eq!(true, has_symbol_around(&data, 1, 15));
+    assert_eq!(true, has_symbol_around(&data, 1, 18));
+    assert_eq!(true, has_symbol_around(&data, 1, 21));
+    assert_eq!(true, has_symbol_around(&data, 1, 24));
+    assert_eq!(false, has_symbol_around(&data, 0, 26));
+    assert_eq!(false, has_symbol_around(&data, 1, 26));
+    assert_eq!(false, has_symbol_around(&data, 2, 26));
+}

src/input/day03/input.txt

@@ -0,0 +1,140 @@
+48.................501....33.....622..............763.........331.................161.683......................................980..........
+...491.842.....948*..................338.....*......=...........-...309.......633*....*....................*990...706...452......*..+.......
+...*...*....................426........*..408.........................*............659...............250.........&.......*.....767...403....
+363.....961...959#.508*223......843.406..........690................%..479.....................398.../....*............458..................
+......=.........................................*....@946........767.........907=.................@....158.850..+670..............10*790....
+.......39.306...679.%113...............665....874....................597...................861.........................840...855............
+.................*.........864.....154*....#..............1*......4..........341..................731*..........783.....#.......*204........
+..919...........706.....*......891........840..%473.........379....*149........-..115..519............668..........*423.....................
+...*.................398.190......$.............................#.......=.%530......$..*..............................................475...
+.543...@.............................834..729.&.........146......789.189........511...17........455*308..662.............530................
+.....142....437....138*755..&53.....*..........783........./.......................*......................................./....674..315....
+..........-./.......................826...%.....................752........414......480.................276.952...................-...*.....
+.......131.......*654..590.................819..........$..........-.347*..................294.....776...&...*........741.....830....230....
+..586%.....968...........+..........319..............628......516............933..........&........+..........600.....*........*............
+............*...................-..*.........................%........................726...876..........772..........99......145......785..
+...........710...............352...842..941...802.....133............474.&235.................*.............*561..........#...........*.....
+.......................................=...............*........=...................642.......774......*.........67..@921.374.......165.....
+..250........................8..........................968...375........224...#.......*............497.833........-........................
+...$.....................584..*978..107&....471...............................486....408......................................@241.-555.....
+......662$........%......&.....................*..#186...550........=309............................76.......399............................
+................281.........808....666.......207.........-...615.................59=....569.....197*...42...%...........572....+231...%.....
+....758.$777................%.....*...............433................646.834.............@.............*.........543...................769..
+....*................995...........628...............*..................*..............=..........341...583.112+...*.......74..=341.........
+.....775.................................744...278.128.......................126...940.839....=.....*............385.499...*............302.
+..........*177...574.............+.......+......*................561#...590.*......$.........231...586....................212...........#...
+.......418....................954..433.......484...........526...........*..643......-......................&..778...............701........
+.414..............493.....566.....*......=..................*....236...748..........543...593...*745.......57.........&.........*...........
+....*................*.....*....46....659..%.&980..........66....................36...........87...................994.......218...443......
+226.241.893%..........257..312............69........792............/...........+...................$257..................790........./...184
+................................................854*.............909.139..*276.680..&.........432............580....248.................*...
+....136*755...@.950......................173.............95..........+...............2.877.......*668......+..+.........918*.......62....571
+............333.*....812...$.428.................*496..................903@...258&.............-........650.................281......+......
+......500.......6....*...719.+......285.......955.....712*12..561.497..............667...&.843..777.................427................@....
+.....&............506..................=..359................#....................*.....24.../.........544.436..........492=........272.....
+.........377..........=............41-......+...........229........761...540....391..............*565.....*......449..........665.......#...
+.887....*.....906..141.....357...$.................%......*.................#.............-..874......811...9.....*....$113......*.967...628
+......406............../.......637.551....223....162.......251...........................702.*......%......*....&.905.........747...........
+....*...........321.....801............=.....-.#...............390........845..12............399...126....283.566.....124*102......&........
+..447..+....935...-..............41.68.87.92...105....178=....*..........*.......*..92..............................................21......
+......505...................................*................614....948..237..512......108.58..162...454@...........395.......5.............
+...........454..10.../............101........885.......................*..................*...*....................*........................
+..........%....*....534......114.*................../.95......427.210..674.......371.903......81....................922.....231...346.......
+...525........887...........#........162....211..166..@......*.....*.......281......*....................835.635............*.....*.....828.
+.....*..............571...............+........-.............933.629./25..*...........977........*............*...........178.....749..*....
+..993.........-................516/................394...56................477....545.*.......251.858......499....435.........&.........170.
+.......967..73.....&.....35.........656....842.....*......*........................*...749............%..........#...........622............
+......+...........366.86..*...........#.....=.....162...332.............-..........859............102..488.........................717......
+347.........32........#....393.................*.................252...262....951.......823...................784...358.603.......*.....515.
+......917..*.....$..........................642.394..195...*..................*....$......*.448.519................*......*....302..870.*...
+...-..*...674.....780.547....287....................*....504...................803.688.831....*..*...........617......./..476........*...9..
+.286..738................#.......-511..11.....581..268.....................439.............523..459...............69..373............887....
+......................*...................555*.........45....638...964.......-...$..........................................88*.............
+.........802...+805.77.648.....66.676........................&..../....26......708...+.-981...239%........953..................672..........
+......./.....#.............11.+......*....=...........756.............*.....-......298..................=...*..751.......433.........727....
+....553.......659....907...@......@..530.218.............*......259..821...716.980..........89..851...793.614.......943....*.....961*.......
+........*339........$..........373...............................*...............$.....667..$......*..........149.....+..613................
+..987..................*...................670...105.....347....383.605..................@....447...124..........*737...........562..15*445.
+........-.....595*7..215.839.781.............*..*...........$.............810....*............*...........350....................*..........
+.........929.............*......*...362@...890...975....#..........2....../...252.576.......78...........+........685.240......695..........
+.................475......598.152........................841.&880..#......................&....693....=.............=.....28........&384....
+............472..*.......................$..320.412*...................304...=.-.........395......=.113....601..............................
+..324.738.........968...................755..*......101.......476..........90..342........................*.....638..182/...........704..139
+.........*..610*......601...................356.../.......633*....971..........................806.....#...240...*...................../....
+........683.....326.....*..@........749.........390.........................163@....800..483..*........792.....94...........................
+...600................957..741...../....376............817..899.......194........50.....@....96.368..................@.......+600....-......
+..........338%..........................*...............#....#.........*....304..+....*...........*...................236............284....
+..423........................&763.............947.................371.187..*.......356.441......201.......................285...............
+............75................................*....................*......696........................#...............................670....
+...*..........*.........426.......635..-....449.758*.......314.......*..............................246.........*................58..*......
+574.322........937.......*........#...116...........40.......*.@752..400........180....@......918.........195.49......983....559*.....82....
+...........*.........527..842.............................817...................../.270...445..*............*...............................
+........622.235..869*..........922*...............125*610..............*459...............&....455...........21.......964...................
+...................................465..%542.........................47......272............+..........775.............*.....328.....@......
+.................732*........51.&..........................853.222.........................672....148....+.........572..499.+....*....12....
+....125..............581....*...909.787.......720*263......*....$..881%....623*891..515..........=..................*.........726.78........
+.....%..........715......935.........*....650............874.......................*.........127....................923.....................
+................$.............330*..444....$....653............%....345..915.....960.395...........823.706..734.341...............295...342.
+.............................................99..-...........465...&......*.............*416......*..........@....*...@......630.....*......
+.....@.........356.......................399.+......+.....................349..................542..............853.375.......=.......132...
+....77...=719.@.......*...../662...........*...233...781..............................&687................%.................................
+.....................791..................933.*..........931.....884*...........-...................../...112..%601..........857............
+583.....*292...................................438...................424......603.416.........484...104.....................*.......706.....
+.............................452.......549.............24...997....................*............*.........767...379..........192............
+........413.................&.....#......*....*.......*.........523.........443.412.....546......859..138*........&..66.576.................
+..................../...........348....816.106.391......................447.........../...*..895.......................*................595.
+...........#......771.675..................................673............*........176...856..=...627*308..696...............658............
+....489..51...174......%..676......$..........*........332.*.............373.350................-..........*.................*.....*........
+181.*........*...............*822.136..888.642.202.......*..65....958........*........358........510.....*..504..747...993....339..764......
+...........540........................................308...........@.895..942.506......*....791.......166......#...../..../...........668..
+...................452............-....631..............................*........&.....253..../............897......*....602................
+..748....249.24............21...847...&.....194...@...............@...865................................=....*.....550.....................
+....*.......*.....658...................573*.......679.....760/..431.................481..........907....130.912...............240...998....
+.605...............*.......25.......#..................................726..646....#..........607..*................698..........*...+......
+...........301&.572........#.....101...................148........55...........*.122........./........953..........-.....602.321.929.....998
+511.870...............@....................808.........*........*............257.......206............@........685..........*...............
+.............903...398.....588......114.......*...990...677.....182.10$...........%.........%.................%........................2*...
+................*...........*...490...........987....=......803.........98......485.493.868..945.805......-........89............=944....296
+......640.......669.........630..*.......................-....&..582.......341.........*.........*.........939......*.......................
+.........*34....................557.....130....265.....21........*...625..$...............*796..690................997...489....293.........
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+..........65......294..........................30..339..856.....966...........904..........791..841..........438.......#...747..............
+..419...................614................972.......*...............131.......=.......................716..........21......................
+.....=.79..............................&....*......76.....243..............115.......757...364..870....&...890......+...840..........55.....
+....................383....*48...571...124...749............*................-..&.....*......*...*........@.....................201./.......
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+.......-.388.......%....................284...........833...770...*...........705.....697.......466.239.......332....489....................
+....#.....*...........@.......288............972.........-.*......723.....*....*................................*............=..........592.
+...535..........*.267..193.......*..367.....*..............132............509..776.790..@....466..........715.758...*115.....608............
+.............979..*..........8.353.....*...329...@544.913..........................*.....759.*......704..%............................712...
+...................52..170...*......459................/...#.......161........813.510.........207......@..........581..................*....
+............#...........*..978...........581.9*815..........450...............*.......................................604.......308...725...
+............16.........269............../.............195........217*216......890......................534.....84......-......-.............
+....339...........................459.......644..........*.........................636.....113...%154...*....................127.....#348...
+349...*.............402...735......@................182.121...134........%255.276...%...&.../............460....#......79...................
+....503....22.............#.....$............38.....+...........*....-11.......*......326...../....*853.........216......*.../180.....16....
+..........*......92.............456..619......*..-...........=...103..........190..........353..982......25*........465.209.................
+...485.350..........949...994.......*....379..3.22........972.........713.734.........262...........$.......846.......*.............333-....
+....................*..../....*121.729..+............325.............*.......*..........*........374..............+..769.....811............
+......-..............788...488....................................851....679......*......487.....................368.........*........*.....
+....612..528...255.................364.....................130.................317..251...............................665.206..972.957.184..
+..........*..../.......337..475*......&..391...347...795....*.........................*......722..666...............@.......................
+........823.$.....+.../.........716......*........*....*.....247......329...........697......*.....*....%.....168....624.........592........
+...98*.......916..915......245............277..&..353...719..........$.....................846.601.37...47......................*......519..
+......91..............720..*........$985......976......................834...........461.........*...........................266....#...*...
+68....................*....45..............&...........79*888.250*461.*.......%................574..........3*....408..380........383.192...
+...........836......383...........557.....672..........................764.....944............................827...........................

src/main.rs

@@ -1,9 +1,11 @@
 mod day01;
 mod utils;
 mod day02;
+mod day03;
 
 const CONTENT01: &'static str = include_str!("input/day01/input.txt");
 const CONTENT02: &'static str = include_str!("input/day02/input.txt");
+const CONTENT03: &'static str = include_str!("input/day03/input.txt");
 
 fn main() {
     day01::execute_task01(CONTENT01);
@@ -11,5 +13,7 @@ fn main() {
     println!();
     day02::execute_task01(CONTENT02);
     day02::execute_task02(CONTENT02);
-
+    println!();
+    day03::execute_task01(CONTENT03);
+    day03::execute_task02(CONTENT03);
 }