#include<cstdio>
using namespace std;

int a[101][101];

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",&a[i][j]);
            if(i!=j && a[i][j]==0)
                a[i][j]=9999999;
            }

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(k!=i && k!=j && i!=j){
                    if(a[i][j] > a[i][k]+a[k][j])
                        a[i][j]=a[i][k]+a[k][j];
                }

    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(a[i][j]==9999999)
                a[i][j]=0;
            printf("%d ",a[i][j]);
            }
        printf("\n");
        }
    return 0;
}