#include <cstdio>

#define NMAX 105
#define INF 0x3f3f3f3f

using namespace std;

int n,m[NMAX][NMAX];

void read()
{
    int v;
    scanf("%d",&n);
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            scanf("%d",&m[i][j]);
}

void royfloyd()
{
    int k,i,j;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if((m[i][j]>m[i][k]+m[k][j]||m[i][j]==0&&i!=j)&&m[i][k]&&m[k][j])
                    m[i][j]=m[i][k]+m[k][j];
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
        {
            if(m[i][j]==INF)
                printf("0 ");
            else
                printf("%d ",m[i][j]);
        }
        printf("\n");
    }
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    read();
    royfloyd();
    return 0;
}