#include <cstdio>

using namespace std;
int c[105][105];
int d[105][105];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            scanf("%d",&c[i][j]);
            if(c[i][j]==0 && i!=j)
                d[i][j]=1000000000;
            else
                d[i][j]=c[i][j];
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            if(d[i][j]>d[i][k]+d[k][j])
                d[i][j]=d[i][k]+d[k][j];
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
        {
        if(d[i][j]>=1000000000)
            d[i][j]=0;
        printf("%d ",d[i][j]);
        }
        printf("\n");
    }
    return 0;
}