#include<cstdio>
using namespace std;

FILE* in=fopen("royfloyd.in", "r");
FILE* out=fopen("royfloyd.out", "w");
int v[107][107];

int main()
{
    int n;
    fscanf(in, "%d", &n);
    for(int i=1; i<=n; ++i)
    {
        for(int j=1; j<=n; ++j)
        {
            fscanf(in, "%d", &v[i][j]);
        }
    }
    for(int k=1; k<=n; ++k)
    {
        for (int i=1; i<=n; ++i)
        {
            for(int j=1; j<=n; ++j)
            {
                if(v[i][k]&&v[k][j]&&(v[i][j]>v[i][k]+v[k][j]||!v[i][j])&&i!=j) v[i][j]=v[i][k]+v[k][j];
            }
        }
    }
    for(int i=1; i<=n; ++i)
    {
        for(int j=1; j<=n; ++j)
        {
            fprintf(out, "%d ", v[i][j]);
        }
        fprintf(out, "\n");
    }
}