#include <iostream>
#include <stdio.h>
#include <vector>
#define NMAX 105
using namespace std;

int n, dist[NMAX][NMAX];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

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

    for(int z=1; z<=n; z++){
        for(int i=1; i<=n; i++){
            for(int j=1; j<=n; j++){
                if((dist[i][j] > dist[i][z] + dist[z][j] || !dist[i][j]) && i!=j && dist[i][z] && dist[z][j]) {
                    dist[i][j] = dist[i][z] + dist[z][j];
                }
            }
        }
    }

    for(int i=1; i<=n; i++) {
        for(int j=1; j<=n; j++) {
            printf("%d ",dist[i][j]);
        }
        printf("\n");
    }
    return 0;
}