#include<fstream>

using namespace std;

int a[105][105];

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int main () {
int n;
cin>>n;
for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++){
        cin>>a[i][j];
        if(a[i][j]==0&&i!=j)
            a[i][j]=10000;
    }


for(int k=1;k<=n;k++)
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            if(a[i][j]>a[i][k]+a[k][j])
                a[i][j]=a[i][k]+a[k][j];


for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++)
        if(a[i][j]==10000)
            cout<<"0 ";
        else
            cout<<a[i][j]<<" ";
    cout<<'\n';
}


return 0;
}