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#include <bits/stdc++.h>
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,i,j,k,mat[105][105];
int main()
{
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>mat[i][j];
for(k=1;k<=n;k++) //nod intermediar
for(i=1;i<=n;i++) //capat st
if(i!=k){
for(j=1;j<=n;j++) //capat dr
{
if(i!=j && j!=k){
if(mat[i][k]!=0 && mat[k][j]!=0)
if(mat[i][j]>mat[i][k]+mat[k][j])
mat[i][j]=mat[i][k]+mat[k][j];} else continue;
}
}else continue;
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)
fout<<mat[i][j]<<" ";
fout<<endl;}
return 0;
}