#include <bits/stdc++.h>

using namespace std;

int main()
{
    FILE *f = fopen("royfloyd.in", "r");
    FILE *g = fopen("royfloyd.out", "w");
    int n, a[105][105];
    fscanf(f, "%d", &n);
    for(int i = 1; i <= n; i ++)
        for(int j = 1; j <= n; j ++)
            fscanf(f, "%d", &a[i][j]);

    for(int k = 1; k <= n; k ++) {
        for(int i = 1; i <= n; i ++) {
            if(i != k)
            for(int j = 1; j <= n; j ++) {
                if(j != i && j != k && a[i][k] != 0 && a[k][j] != 0)
                if(a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0)
                    a[i][j] = a[i][k] + a[k][j];
            }
        }
    }

    for(int i = 1; i <= n; i ++) {
        for(int j = 1; j <= n; j ++)
            fprintf(g, "%d ", a[i][j]);
        fprintf(g, "\n");
    }
    return 0;
}