#include<fstream>
using namespace std;
int i,j,k,n,a[105][105];

int main(void) {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    fin>>n;
    for (i=1; i<=n; ++i)
     for (j=1; j<=n; ++j) fin>>a[i][j];
     
    for (k=1; k<=n; ++k) 
     for (i=1; i<=n; ++i)
      for (j=1; j<=n; ++j) 
    if (i!=j&&a[i][k]!=0&&a[k][j]!=0&&(a[i][k]+a[k][j]<a[i][j]||a[i][j]==0) ) a[i][j]=a[i][k]+a[k][j];
    
    for (i=1; i<=n; ++i, fout<<"\n")
     for (j=1; j<=n; ++j) fout<<a[i][j]<<" ";
    
    return(0);
}