#include <stdio.h>

int N;
int a[101][101];

void citire()
{
    FILE* f = fopen("royfloyd.in", "r");

    fscanf(f, "%d", &N);
    for (int i = 0; i < N; ++i)
        for (int j = 0; j < N; ++j)
            fscanf(f, "%d",  &a[i][j]);
}

void calculate()
{
    for (int k = 0; k < N; ++k)
        for (int i = 0; i < N; ++i)
            for (int j = 0; j < N; ++j)
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
}

void afisare()
{
    FILE* f = fopen("royfloyd.out", "w");

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

int main()
{
    citire();
    calculate();
    afisare();

    return 0;
}