#include <iostream>

#define NMAX 105

using namespace std;

int n, c[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", &c[i][j]);
        }
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j) {
                if(i == j) continue;
                if(c[i][k] && c[k][j] && (!c[i][j] || c[i][k] + c[k][j] < c[i][j]))
                    c[i][j] = c[i][k] + c[k][j];
            }
    for(int i = 1; i <= n; ++i, printf("\n"))
        for(int j = 1; j <= n; ++j)
            printf("%d ", c[i][j]);
    return 0;
}