From d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa Mon Sep 17 00:00:00 2001 From: jack <0x6A73@pm.me> Date: Fri, 14 Jun 2024 13:13:15 -0600 Subject: initial --- image_overlap.rs | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 image_overlap.rs (limited to 'image_overlap.rs') diff --git a/image_overlap.rs b/image_overlap.rs new file mode 100644 index 0000000..fa6fbd6 --- /dev/null +++ b/image_overlap.rs @@ -0,0 +1,35 @@ +impl Solution { + pub fn largest_overlap(img1: Vec>, img2: Vec>) -> i32 { + let mut ans = 0; + for i in 0..img1[0].len() { + for j in 00..img1.len() { + ans = ans.max(Solution::shift_and_compare(&img1, &img2, j, i)); + } + } + ans + } + + fn shift_and_compare(img1: &[Vec],img2: &[Vec], x_shift: usize, y_shift: usize) -> i32 { + let (mut counter, cols, rows) = ((0,0), img1.len(), img1[0].len()); + for i in 0..cols { + for j in 0..rows { + if img1[i][j] == 1 { + let ii = i + y_shift; + let jj = j + x_shift; + if ii < rows && jj < cols && img2[ii][jj] == 1 { + counter.0 += 1; + } + } + if img2[i][j] == 1 { + let ii = i + y_shift; + let jj = j + x_shift; + if ii < rows && jj < cols && img2[ii][jj] == 1 { + counter.1 += 1; + } + } + } + } + counter.0.max(counter.1) + } +} + -- cgit v1.2.3