#include<cstdio>
#define I 1000000
int d[101][101],n,i,j,k;
int main()
{
    freopen("royfloyd.in","r",stdin),freopen("royfloyd.out","w",stdout),scanf("%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j) {
            scanf("%d",&d[i][j]);
            if(!d[i][j])
                d[i][j]=I;
        }
    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,printf("\n"))
        for(j=1;j<=n;++j)
            printf("%d ",(i==j||d[i][j]==I?0:d[i][j]));
    return 0;
}