#include<cstdio>
const int N=100;
int n,a[N+1][N+1];
void init(){
    int i,j;
    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",&a[i][j]);
}
void royFloyd(){
    int i,j,k;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
                if(a[i][k]>0&&a[k][j]>0&&(a[i][k]+a[k][j]<a[i][j]||a[i][j]==0)&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];
}
void print(){
    int i,j;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
}
int main(){
    init();
    royFloyd();
    print();
    return 0;
}