#include <cstdio>

using namespace std;

const int nmx = 102;

int n;
int dp[nmx][nmx];

void citire()
{
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            scanf("%d", &dp[i][j]);
}

void chestia()
{
    for(int p = 1; p <= n; ++p)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(i != j && dp[i][p] && dp[p][j] && (not dp[i][j] || dp[i][j] > dp[i][p] + dp[p][j]))
                    dp[i][j] = dp[i][p] + dp[p][j];
}

void arata_le()
{
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
            printf("%d ", dp[i][j]);
        printf("\n");
    }
}

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    citire();
    chestia();
    arata_le();
    return 0;
}