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#include <bits/stdc++.h>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
const int NMAX = 105;
int mat[NMAX][NMAX];
int main(){
int n;
f >> n;
for(int i = 1 ; i <= n ; i++)
for(int j = 1 ; j <= n ; j++)
f >> 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(mat[i][k] && mat[k][j] && (mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j]) && 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++)
g << mat[i][j] << " ";
g << "\n";
}
return 0;
}