#include <bits/stdc++.h>

using namespace std;

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

int n;
int mv[105][105];

int main(){
    int i,j,k;

    fin>>n;

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>mv[i][j];

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j && mv[i][k] && mv[k][j] && (!mv[i][j] || mv[i][j]>mv[i][k]+mv[k][j]))
                    mv[i][j]=mv[i][k]+mv[k][j];

    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            fout<<mv[i][j]<<" ";
        fout<<"\n";
    }

	return 0;
}