#include <fstream>
using namespace std;
ifstream in("royfloyd.in"); ofstream out("royfloyd.out");
int n, a[105][105];
void roy_floyd(){
    for(int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i!=j)
                    a[i][j] = a[i][k] + a[k][j];
}

int main(){
    in>>n;
    for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) in>>a[i][j];
    roy_floyd();
    for ( int i = 1; i <= n; i++) {
        for ( int j = 1; j <= n; j++) out<<a[i][j]<<' ';
        out<<'\n';
    }
    return 0;
}