#include<stdio.h>
int d[100][100];
char n,i,j,k;
int main()
{
    freopen("royfloyd.in","r",stdin),freopen("royfloyd.out","w",stdout),scanf("%d",&n);
    for(i=0;i<n;++i)
        for(j=0;j<n;++j)
            scanf("%d",&d[i][j]);
    for(k=0;k<n;++k)
        for(i=0;i<n;++i)
            for(j=0;j<n;++j)
                if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j]))
                    d[i][j]=d[i][k]+d[k][j];
    for(i=0;i<n;++i) {
        for(j=0;j<n;++j)
            printf("%d ",d[i][j]);
        printf("\n");
    }
    return 0;
}