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-rw-r--r--longest_increasing_matrix_path.cpp32
1 files changed, 0 insertions, 32 deletions
diff --git a/longest_increasing_matrix_path.cpp b/longest_increasing_matrix_path.cpp
deleted file mode 100644
index 1ee5b99..0000000
--- a/longest_increasing_matrix_path.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "leetcode.h"
-
-class Solution {
-public:
- int longestIncreasingPath(vector<vector<int>> &matrix) {
- int rows = matrix.size(), cols = matrix[0].size();
- if (!rows)
- return 0;
- vector<vector<int>> dp(rows, vector<int>(cols, 0));
- function<int(int, int)> dfs = [&](int x, int y) {
- if (dp[x][y])
- return dp[x][y];
- vector<vector<int>> dirs = {{-1, 0}, {1, 0}, {0, 1}, {0, -1}};
- for (auto &dir : dirs) {
- int x2 = x + dir[0], y2 = y + dir[1];
- if (x2 < 0 || x2 >= rows || y2 < 0 || y2 >= cols)
- continue;
- if (matrix[x2][y2] <= matrix[x][y])
- continue;
- dp[x][y] = max(dp[x][y], dfs(x2, y2));
- }
- return ++dp[x][y];
- };
- int ans = 0;
- for (int i = 0; i < rows; ++i)
- for (int j = 0; i < cols; ++j)
- ans = max(ans, dfs(i, j));
- return ans;
- }
-};
-
-int main() {}