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#include <bits/stdc++.h>
using namespace std;
const int NMAX = 100;
int mat[NMAX + 5][NMAX + 5];
int main()
{
int n;
cin >> n;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
cin >> mat[i][j];
for(int k = 1; k <= n; k++)
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
if(i != j && mat[i][k] && mat[k][j])
if(!mat[i][j])
mat[i][j] = mat[i][k] + mat[k][j];
else
mat[i][j] = min(mat[i][j], mat[i][k] + mat[k][j]);
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= n; j++)
cout << mat[i][j] << " ";
cout << '\n';
}
return 0;
}