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- #include <bits/stdc++.h>
- using namespace std;
- // 8-D check
- const int N = 100;
- int n, m;
- int grid[N][N];
- bool valid (int row, int col) {
- return (row >= 0 && col >= 0 && row < n && col < m);
- }
- int max_path (int row, int col) {
- // base case
- if (!valid(row, col))
- return false;
- if (row == n - 1 && col == m - 1)
- return grid[row][col];
- // recursive case
- int down = grid[row][col] + max_path(row + 1, col);
- int right = grid[row][col] + max_path(row, col + 1);
- return max(down, right);
- }
- int main() {
- freopen("/home/hamoudi/Coding/run.in", "r", stdin);
- cin >> n >> m;
- for (int i = 0; i < n; ++i)
- for (int j = 0; j < m; ++j)
- cin >> grid[i][j];
- cout << max_path(0, 0) << '\n';
- return 0;
- }
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