#include <bits/stdc++.h>
#define NMax 105
using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n;
int A[NMax][NMax];

void gofl() {
    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][j] > A[i][k] + A[k][j]) && 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<<A[i][j]<<' ';
        g<<'\n';
    }
}

void read() {
    f>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            f>>A[i][j];
}

int main() {

    read();
    gofl();

    f.close(); g.close();
    return 0;
}