#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[111][111],c[111][111];
void citire() {
    f>>n;
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            f>>a[i][j];
        }
    }
}
void rez() {
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            c[i][j]=a[i][j];
        }
    }
    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]!=0 && a[k][j]!=0) || c[i][j]==0 ) {
                    c[i][j]=min(c[i][j],c[i][k]+c[k][j]);
                }

                //if (a[i][k]!=0 && a[k][j]!=0 && (a[i][j] > a[i][k] + a[k][j] || a[i][j]==0) && i != j) a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            g<<c[i][j]<<" ";
        }
        g<<"\n";
    }
}
int main() {
    citire();
    rez();
    return 0;
}