#include <cstdio>
#include <algorithm>

using namespace std;

int v[110][110];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            scanf("%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]!=0 && v[k][j]!=0 && (v[i][j]>v[i][k]+v[k][j] or v[i][j]==0)) v[i][j]=v[i][k]+v[k][j];
    for(int i=1;i<=n;i++)
    {
        v[i][i]=0;
        for(int j=1;j<=n;j++)
            printf("%d ",v[i][j]);
        printf("\n");
    }
    return 0;
}