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#include <iostream>
using namespace std;
int n, mat[110][110];
int main()
{
freopen("royfloyd.in", "r", stdin);
freopen("royfloyd.out", "w", stdout);
cin >> n;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
cin >> mat[i][j];
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
for(int k = 1; k <= n; k++)
if(mat[i][k] && mat[k][j] && i != j && mat[i][k] + mat[k][j] < mat[i][j])
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;
}