#include <iostream>
#include <vector>
#include <climits>

#define NMAX 103

using namespace std;

int N;
int G[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", &G[i][j]);
            if(G[i][j] == 0) {
                G[i][j] = INT_MAX;
            }
        }
    }

    for(int k = 1; k <= N; k++) {
        for(int i = 1; i <= N; i++) {
            for(int j = 1; j <= N; j++) {
                if(G[i][j] > G[i][k] + G[k][j] && i != j) {
                    G[i][j] = G[i][k] + G[k][j];
                }
            }
        }
    }

    for(int i = 1; i <= N; i++) {
        for(int j = 1; j <= N; j++) {
            if(G[i][j] == INT_MAX) {
                printf("0 ");
            } else
                printf("%d ", G[i][j]);
        }
        printf("\n");
    }

    return 0;
}