#include <bits/stdc++.h>

using namespace std;

int a[105][105];
const int INF = 2e9;

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    int n,i,j,k;
    scanf("%d", &n);
    for(i = 1;i <= n;i++){
        for(j = 1;j <= n;j++){
            scanf("%d", &a[i][j]);
            if(a[i][j] == 0){
                a[i][j] = INF;
            }
        }
    }
    for(k = 1;k <= n;k++){
        for(i = 1;i <= n;i++){
            for(j = 1;j <= n;j++){
                if(i != j && a[i][k] && a[k][j]){
                    a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                }
            }
        }
    }
    for(i = 1;i <= n;i++){
        for(j = 1;j <= n;j++){
            if(a[i][j] == INF){
                printf("0 ");
            }else{
                printf("%d ", a[i][j]);
            }
        }
        printf("\n");
    }
    return 0;
}