//roy warshall -> ala cu 3 for uri
#include <iostream>
constexpr int NX = 105;
using namespace std;
int n, a[NX][NX];

int main()
{
	freopen("royfloyd.in", "r", stdin);
	freopen("royfloyd.out", "w", stdout);

	scanf("%d", &n);
    for(int i=0; i<n; ++i)
        for(int j=0; j<n; ++j)
            scanf("%d", &a[i][j]);

    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] || !a[i][j]) && i!=j)
                    a[i][j] = a[i][k] + a[k][j];


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


	return 0;
}