#include <stdio.h>
 
#define Min(x, y) (x) < (y) ? (x) : (y)
 
int main() {
    int n, i, j, k;
    FILE *in = freopen("royfloyd.in", "r", stdin);
    FILE *out = freopen("royfloyd.out", "w", stdout);
    
    scanf("%d", &n);
    int a[n][n];
    for (i = 0; i < n; i++)
        for (j = 0; j < n; j++) {
            scanf("%d", &a[i][j]);
            if(a[i][j] == 0 && i != j)
                       a[i][j] = 1000000;    
        }
    for (k = 0; k < n; k++)
        for (i = 0; i < n; i++)
            for (j = 0; j < n; j++)
                a[i][j] = Min(a[i][j], a[i][k] + a[k][j]);
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            if(a[i][j] == 1000000)
                printf("0 ");
            else
                printf("%d ", a[i][j]);  
        }
        printf("\n");
    }
    
    return 0;   
}