#include <iostream>

const int maxn = 101;
const int inf = 1 << 30;

FILE *in = fopen("royfloyd.in","r"), *out = fopen("royfloyd.out","w");

int n;
int a[maxn][maxn];

void read()
{
    fscanf(in, "%d", &n);

    for ( int i = 1; i <= n; ++i )
        for ( int j = 1; j <= n; ++j )
        {
            fscanf(in, "%d", &a[i][j]);

            if ( !a[i][j] && i != j )
                a[i][j] = inf;
        }
}

void rf()
{
    for ( int k = 1; k <= n; ++k )
        for ( int i = 1; i <= n; ++i )
            for ( int j = 1; j <= n; ++j )
                if ( a[i][k] != inf && a[k][j] != inf )
                    a[i][j] = a[i][j] > a[i][k] + a[k][j] ? a[i][k] + a[k][j] : a[i][j];
}

int main()
{
    read();
    rf();

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

	return 0;
}