#include <iostream>
#include <stdio.h>

using namespace std;

int n,a[105][105];

void citire () {
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    int i,j;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
}

void roydf() {
    int k=1,i,j;
    while(k<=n) {
    for(i=1;i<=n;i++)
        for(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];
    k++;
    }
}

void afisare() {
    for(int i=1;i<=n;i++) {
        for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
}




int main()
{
    citire();
    roydf();
    afisare();
    return 0;
}