#include<bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
const int N=101;


int n,c[N][N];
void citire(){
in>>n;
int i,j;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    in>>c[i][j];
in.close();
}

void royfloyd(){
int i,j,k;
for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
        if(c[i][k]&&c[k][j])
if(c[i][j]>c[i][k]+c[k][j]){c[i][j]=c[i][k]+c[k][j];}


 for(i=1;i<=n;i++)
    {for(j=1;j<=n;j++)
    out<<c[i][j]<<" ";
    out<<"\n";}
    out.close();

}

int main(){
citire();
royfloyd();
return 0;}