#include <cstdio>

using namespace std;

int m[105][105];

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",&m[i][j]);
            if(i!=j&&m[i][j]==0)
                m[i][j]=1000000000;
        }
    }

    for(int k=1;k<=n;++k)
    {
        for(int i=1;i<=n;++i)
        {
            for(int j=1;j<=n;++j)
            {
                if(m[i][j]>m[i][k]+m[k][j])
                    m[i][j]=m[i][k]+m[k][j];
            }
        }
    }

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

    return 0;
}