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Repalce for-loops by flat_map and map

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This commit is contained in:
Max Nuding 2022-12-08 07:53:26 +00:00
parent b4f9e56227
commit 8509a884ff
1 changed files with 62 additions and 55 deletions
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27
src/day08/mod.rs
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@ -11,11 +11,17 @@ pub fn run() {
.collect::<Vec<_>>();
let width = grid.first().unwrap().len();
let mut count = 0;
let mut max_score = 0;
for (row, row_vec) in grid.iter().enumerate().skip(1) {
for (col, height) in row_vec.iter().enumerate().skip(1) {
let res = grid
.iter()
.enumerate()
.skip(1)
.flat_map(|(row, row_vec)| {
row_vec
.iter()
.enumerate()
.skip(1)
.map(|(col, height)| {
let mut sides_visible = 4;
let mut score = 1;
@ -64,13 +70,14 @@ pub fn run() {
grid.len() - row - 1
};
max_score = max_score.max(score);
(sides_visible > 0, score)
})
.collect::<Vec<_>>()
})
.collect::<Vec<_>>();
if sides_visible > 0 {
count += 1;
}
}
}
let count = res.iter().filter(|e| e.0).count();
let max_score = res.iter().map(|e| e.1).max().unwrap();
#[cfg(feature = "part1")]
{