#include <cstdio>

using namespace std;
int n;
int v[128][128];

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