#include<stdio.h>

int n,a[100][100],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",&a[i][j]);
        
for(k=0;k<n;k++)
    for(i=0;i<n;i++)    
        for(j=0;j<n;j++)
            if(i!=j&&k!=i&&k!=j&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j]))
                a[i][j]=a[i][k]+a[k][j];
                
for(i=0;i<n;i++){
    for(j=0;j<n;j++)
        printf("%d ",a[i][j]);printf("\n");}

return 0;    
}