#include <stdio.h>

#define Min(x, y) (x) < (y) ? (x) : (y)

int main()
{
    int n, i, j, k;
    FILE *in = fopen("royfloyd.in", "r");
    FILE *out = fopen("royfloyd.out", "w");
    
    fscanf(in, "%d", &n);
    int a[n][n];
    for (i = 0; i < n; i++)
        for (j = 0; j < n; j++)
        {
            fscanf(in, "%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
                fprintf(out, "%d ", a[i][j]);  
        }
        fprintf(out, "\n");
    }
    fclose(in);
    fclose(out);
    
    return 0;   
}