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65c3087c24
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6380a9a928
4 changed files with 68 additions and 179 deletions
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@ -33,62 +33,104 @@ fn main() {
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let leny = frfrvec.clone().len();
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for y in 1..leny {
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let widthup = y >= 2;
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let widthdown = (leny - y) >= 2;
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let widthup = y >= 4;
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let widthdown = (leny - y) >= 4;
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for x in 1..lenx+1 {
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// check if enough space left and right
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let widthleft = x >= 2;
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let widthleft = x >= 4;
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let widthright = (lenx - x) >= 1;
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let widthright = (lenx - x) >= 3;
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// search algorithm starts here
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// check if the char is X
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if frfrvec[y][x] == 'A' {
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if frfrvec[y][x] == 'X' {
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println!("x is {x}");
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println!("y is {y}");
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println!("width up: {}", widthup);
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println!("width down: {}", widthdown);
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println!("width left: {}", widthleft);
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if widthup && widthleft && widthdown && widthright {
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// check if start from top
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if frfrvec[y - 1][x - 1] == 'M' // up left
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&& frfrvec[y - 1][x + 1] == 'M' // up right
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&& frfrvec[y + 1][x - 1] == 'S' // down left
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&& frfrvec[y + 1][x + 1] == 'S' // down right
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// check if going upwards
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if widthup {
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if frfrvec[y - 1][x] == 'M'
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&& frfrvec[y - 2][x] == 'A'
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&& frfrvec[y - 3][x] == 'S'
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{
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pointcounter += 1;
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println!("successful up");
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}
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// check if start from left
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if frfrvec[y - 1][x - 1] == 'M' // up left
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&& frfrvec[y - 1][x + 1] == 'S' // up right
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&& frfrvec[y + 1][x - 1] == 'M' // down left
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&& frfrvec[y + 1][x + 1] == 'S' // down right
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}
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// check if going diag up left
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if widthup && widthleft {
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if frfrvec[y - 1][x - 1] == 'M'
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&& frfrvec[y - 2][x - 2] == 'A'
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&& frfrvec[y - 3][x - 3] == 'S'
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{
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pointcounter += 1;
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println!("successful up left");
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}
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}
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// check if going left
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if widthleft {
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if frfrvec[y][x - 1] == 'M'
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&& frfrvec[y][x - 2] == 'A'
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&& frfrvec[y][x - 3] == 'S'
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{
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pointcounter += 1;
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println!("successful left");
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}
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// check if start from bottom
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if frfrvec[y - 1][x - 1] == 'S' // up left
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&& frfrvec[y - 1][x + 1] == 'S' // up right
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&& frfrvec[y + 1][x - 1] == 'M' // down left
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&& frfrvec[y + 1][x + 1] == 'M' // down right
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}
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// check if going diag down left
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if widthdown && widthleft {
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if frfrvec[y + 1][x - 1] == 'M'
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&& frfrvec[y + 2][x - 2] == 'A'
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&& frfrvec[y + 3][x - 3] == 'S'
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{
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pointcounter += 1;
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println!("successful down left");
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}
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}
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// check if going down
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if widthdown {
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if frfrvec[y + 1][x] == 'M'
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&& frfrvec[y + 2][x] == 'A'
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&& frfrvec[y + 3][x] == 'S'
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{
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pointcounter += 1;
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println!("successful down");
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}
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// check if start from right
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if frfrvec[y - 1][x - 1] == 'S' // up left
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&& frfrvec[y - 1][x + 1] == 'M' // up right
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&& frfrvec[y + 1][x - 1] == 'S' // down left
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&& frfrvec[y + 1][x + 1] == 'M' // down right
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}
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// check if going diag down right
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if widthdown && widthright {
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if frfrvec[y + 1][x + 1] == 'M'
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&& frfrvec[y + 2][x + 2] == 'A'
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&& frfrvec[y + 3][x + 3] == 'S'
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{
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pointcounter += 1;
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println!("successful down right");
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}
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}
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// check if going right
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if widthright {
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if frfrvec[y][x + 1] == 'M'
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&& frfrvec[y][x + 2] == 'A'
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&& frfrvec[y][x + 3] == 'S'
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{
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pointcounter += 1;
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println!("successful right");
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}
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}
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// check if going diag right up
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if widthright && widthup {
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if frfrvec[y - 1][x + 1] == 'M'
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&& frfrvec[y - 2][x + 2] == 'A'
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&& frfrvec[y - 3][x + 3] == 'S'
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{
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pointcounter += 1;
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println!("successful up right");
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}
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}
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}
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println!("\n")
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}
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7
2024/day4/part2/Cargo.lock
generated
7
2024/day4/part2/Cargo.lock
generated
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@ -1,7 +0,0 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "part1"
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version = "0.1.0"
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@ -1,6 +0,0 @@
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[package]
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name = "part1"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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@ -1,140 +0,0 @@
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use std::fs::read_to_string;
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fn main() {
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let mut pointcounter = 0;
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let lines: Vec<String> = read_to_string("input.txt")
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.unwrap()
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.lines()
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.map(String::from)
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.collect();
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let mut frfrvec: Vec<Vec<char>> = Vec::new();
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println!("ye the lines are {:?}", lines);
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// make y coord offset by 1
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let lenxold = lines[1].chars().count();
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let mut lenvec: Vec<char> = Vec::new();
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for i in 0..lenxold {
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lenvec.push('0');
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}
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frfrvec.push(lenvec);
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// main section where you push stuff
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for ministr in lines.clone() {
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let mut pushvec = Vec::new();
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pushvec.push('0'); // make x coord offset by 1
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for minichar in ministr.chars() {
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pushvec.push(minichar);
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}
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frfrvec.push(pushvec);
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}
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println!("{:?}", frfrvec);
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let lenx = lines[1].chars().count();
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let leny = frfrvec.clone().len();
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for y in 1..leny {
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let widthup = y >= 4;
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let widthdown = (leny - y) >= 4;
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for x in 1..lenx+1 {
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// check if enough space left and right
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let widthleft = x >= 4;
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let widthright = (lenx - x) >= 3;
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// search algorithm starts here
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// check if the char is X
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if frfrvec[y][x] == 'X' {
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println!("x is {x}");
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println!("y is {y}");
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println!("width up: {}", widthup);
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println!("width down: {}", widthdown);
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println!("width left: {}", widthleft);
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// check if going upwards
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if widthup {
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if frfrvec[y - 1][x] == 'M'
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&& frfrvec[y - 2][x] == 'A'
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&& frfrvec[y - 3][x] == 'S'
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{
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pointcounter += 1;
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println!("successful up");
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}
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}
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// check if going diag up left
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if widthup && widthleft {
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if frfrvec[y - 1][x - 1] == 'M'
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&& frfrvec[y - 2][x - 2] == 'A'
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&& frfrvec[y - 3][x - 3] == 'S'
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{
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pointcounter += 1;
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println!("successful up left");
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}
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}
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// check if going left
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if widthleft {
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if frfrvec[y][x - 1] == 'M'
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&& frfrvec[y][x - 2] == 'A'
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&& frfrvec[y][x - 3] == 'S'
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{
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pointcounter += 1;
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println!("successful left");
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}
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}
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// check if going diag down left
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if widthdown && widthleft {
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if frfrvec[y + 1][x - 1] == 'M'
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&& frfrvec[y + 2][x - 2] == 'A'
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&& frfrvec[y + 3][x - 3] == 'S'
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{
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pointcounter += 1;
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println!("successful down left");
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}
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}
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// check if going down
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if widthdown {
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if frfrvec[y + 1][x] == 'M'
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&& frfrvec[y + 2][x] == 'A'
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&& frfrvec[y + 3][x] == 'S'
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{
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pointcounter += 1;
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println!("successful down");
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}
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}
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// check if going diag down right
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if widthdown && widthright {
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if frfrvec[y + 1][x + 1] == 'M'
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&& frfrvec[y + 2][x + 2] == 'A'
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&& frfrvec[y + 3][x + 3] == 'S'
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{
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pointcounter += 1;
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println!("successful down right");
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}
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}
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// check if going right
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if widthright {
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if frfrvec[y][x + 1] == 'M'
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&& frfrvec[y][x + 2] == 'A'
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&& frfrvec[y][x + 3] == 'S'
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{
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pointcounter += 1;
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println!("successful right");
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}
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}
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// check if going diag right up
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if widthright && widthup {
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if frfrvec[y - 1][x + 1] == 'M'
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&& frfrvec[y - 2][x + 2] == 'A'
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&& frfrvec[y - 3][x + 3] == 'S'
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{
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pointcounter += 1;
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println!("successful up right");
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}
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}
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}
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println!("\n")
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}
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}
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println!("{pointcounter}");
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}
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