#include <bits/stdc++.h>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n,d[105][105],i,j,k;


int main()
{
fin>>n;
for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
        fin>>d[i][j];
        if(i != j && d[i][j] == 0){
            d[i][j] = 1000000000;
        }
    }
}
for(k=1;k<=n;k++){
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(d[i][k] + d[k][j] < d[i][j]){
                d[i][j] = d[i][k] + d[k][j];
            }
        }
    }
}
for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
        if(d[i][j] == 1000000000)
        d[i][j] = 0;
        fout << d[i][j] << " ";
    }
    fout << '\n';
}
    return 0;
}