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authorJack Sangdahl <jack@pngu.org>2025-03-10 00:36:13 -0600
committerJack Sangdahl <jack@pngu.org>2025-03-10 00:36:13 -0600
commit7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch)
treeeb7a24ee2067f92245c57bb118e85a1baf15df50 /pacific_atlantic_water_flow.cpp
parent5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff)
downloadleetcode-master.tar.gz
leetcode-master.zip
chore: move cpp and rust code to directoryHEADmaster
Diffstat (limited to 'pacific_atlantic_water_flow.cpp')
-rw-r--r--pacific_atlantic_water_flow.cpp38
1 files changed, 0 insertions, 38 deletions
diff --git a/pacific_atlantic_water_flow.cpp b/pacific_atlantic_water_flow.cpp
deleted file mode 100644
index 8876d9f..0000000
--- a/pacific_atlantic_water_flow.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-#include "leetcode.h"
-
-class Solution {
-public:
- vvd pacificAtlantic(vvd & heights) {
- n = heights.size();
- m = heights[0].size();
- vvd(bool) flag1(n, vector<bool>(m)), flag2(n, vector<bool>(m));
- vvd ans;
- for (int i = 0; i < n; i++)
- dfs(heights, flag1, i, 0);
- for (int i = 1; i < m; i++)
- dfs(heights, flag1, 0, i);
- for (int i = 0; i < n; i++)
- dfs(heights, flag2, i, m - 1);
- for (int i = 0; i < m - 1; i++)
- dfs(heights, flag2, n - 1, i);
- for (int i = 0; i < n; i++)
- for (int j = 0; j < m; j++)
- if (flag1[i][j] && flag2[i][j])
- ans.push_back({i, j});
- return ans;
- }
-
-private:
- int n, m;
- void dfs(vvd & grid, vvd(bool) & flag, int x, int y) {
- flag[x][y] = true;
- if (x - 1 >= 0 && !flag[x - 1][y] && grid[x - 1][y] >= grid[x][y])
- dfs(grid, flag, x - 1, y);
- if (x + 1 < n && !flag[x + 1][y] && grid[x + 1][y] >= grid[x][y])
- dfs(grid, flag, x + 1, y);
- if (y - 1 >= 0 && !flag[x][y - 1] && grid[x][y - 1] >= grid[x][y])
- dfs(grid, flag, x, y - 1);
- if (y + 1 < m && !flag[x][y + 1] && grid[x][y + 1] >= grid[x][y])
- dfs(grid, flag, x, y + 1);
- }
-};