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authorJack Sangdahl <[email protected]>2025-03-10 00:36:13 -0600
committerJack Sangdahl <[email protected]>2025-03-10 00:36:13 -0600
commit7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch)
treeeb7a24ee2067f92245c57bb118e85a1baf15df50 /other/01_matrix.cpp
parent5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff)
downloadleetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.tar.gz
leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.zip
chore: move cpp and rust code to directory
Diffstat (limited to 'other/01_matrix.cpp')
-rw-r--r--other/01_matrix.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/other/01_matrix.cpp b/other/01_matrix.cpp
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+++ b/other/01_matrix.cpp
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+#include "leetcode.h"
+
+class Solution {
+public:
+ vector<vector<int>> updateMatrix(vector<vector<int>> &mat) {
+ int m = mat.size(), n = mat[0].size();
+ vector<vector<int>> ans(m, vector<int>(n, INT_MAX));
+ queue<pair<int, int>> qp;
+ for (int i = 0; i < m; i++) {
+ for (int j = 0; j < n; j++) {
+ if (mat[i][j] == 0) {
+ ans[i][j] = 0;
+ qp.push({i, j});
+ }
+ }
+ }
+ vector<pair<int, int>> vp{{0, 1}, {1, 0}, {0, -1}, {-1, 0}};
+ while (!qp.empty()) {
+ auto curr = qp.front();
+ qp.pop();
+ int currX = curr.first, currY = curr.second;
+ for (auto dirr : vp) {
+ int x = currX + dirr.first, y = currY + dirr.second;
+ if (x >= 0 && x < m && y >= 0 && y < n) {
+ if (ans[x][y] > ans[currX][currY] + 1) {
+ ans[x][y] = ans[currX][currY] + 1;
+ qp.push({x, y});
+ }
+ }
+ }
+ }
+ return ans;
+ }
+};