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39 lines
700 B
39 lines
700 B
#include <cstdio>
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#include <cstring>
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#include <algorithm>
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#include <iostream>
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#include <cmath>
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using namespace std;
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const int INF = 0x3f3f3f3f;
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const int N = 110;
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int a[N][N];
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int n, m;
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int res = INF;
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void dfs(int x, int y, int sum) {
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if (x == n && y == m) {
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res = min(res, sum);
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return;
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}
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if (x + 1 <= n)
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dfs(x + 1, y, sum + a[x + 1][y]);
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if (y + 1 <= m)
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dfs(x, y + 1, sum + a[x][y + 1]);
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}
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/*
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2 3
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1 3 5
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2 4 6
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13
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*/
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int main() {
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cin >> n >> m;
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for (int i = 1; i <= n; i++)
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for (int j = 1; j <= m; j++)
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cin >> a[i][j];
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dfs(1, 1, a[1][1]);
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printf("%d\n", res);
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return 0;
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} |