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34 lines
593 B
C++
34 lines
593 B
C++
#include <iostream>
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#include <cstring>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int N = 105;
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int n, g[N][N], f[N][N];
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int main() {
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std::ios::sync_with_stdio(false);
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cin >> n;
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for (int i = 1; i <= n; i++) {
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for (int j = 1; j <= n; j++) {
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cin >> g[i][j];
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}
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}
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memset(f, 0x3f, sizeof(f));
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f[0][1] = f[1][0] = 0;
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for (int i = 1; i <= n; i++) {
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for (int j = 1; j <= n; j++) {
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f[i][j] = std::min(f[i - 1][j], f[i][j - 1]) + g[i][j];
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}
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}
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cout << f[n][n] << endl;
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return 0;
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}
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