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#include <iostream>
#include <fstream>
#define NMax 105
using namespace std;
int A[NMax][NMax],N;
void Citire()
{
ifstream g("royfloyd.in");
g>>N;
for(int i=1;i<=N;i++)
for(int j=1;j<=N;j++)
g>>A[i][j];
}
void RoyFloyd()
{
for(int k=1;k<=N;k++)
for(int i=1;i<=N;i++)
for(int j=1;j<=N;j++)
if((A[i][j]>A[i][k]+A[k][j] || A[i][j]==0) && A[i][k] && A[k][j] && i!=j)
{
A[i][j]=A[i][k]+A[k][j];
}
}
void Afisare()
{
ofstream f("royfloyd.out");
for(int i=1;i<=N;i++)
{
for(int j=1;j<=N;j++)
f<<A[i][j]<<' ';
f<<endl;
}
}
int main()
{
Citire();
RoyFloyd();
Afisare();
}