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#include <iostream>
#include <fstream>
#include <vector>
#define NMAX 102
#define INF 1<<30
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,C[NMAX][NMAX],minim[NMAX][NMAX];
int main() {
fin>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++) {
int x;
fin>>x;
C[i][j]=x;
minim[i][j]=C[i][j];
if(x==0)
minim[i][j]=INF;
if(i==j)
minim[i][j]=0;
}
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
minim[i][j]=min(minim[i][j],minim[i][k]+minim[k][j]);
for(int i=1; i<=n; i++) {
for(int j=1; j<=n; j++)
fout<<minim[i][j]<<" ";
fout<<endl;
}
return 0;
}