Cod sursa(job #1077700)
Utilizator | Dica Florin Sebastian exclamatie | Data | 11 ianuarie 2014 16:26:44 |
---|---|---|---|
Problema | Floyd-Warshall/Roy-Floyd | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.67 kb |
#include <iostream>
#include <fstream>
int n,v[101][101];
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int RoyFloyd()
{
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if((i!=j)&&((v[i][j]>(v[i][k]+v[k][j]))||(!v[i][j]))&&v[i][k]&&v[k][j])
v[i][j]=v[i][k]+v[k][j];
}
}
}
}
int main()
{
in>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
in>>v[i][j];
RoyFloyd();
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<v[i][j]<<" ";
out<<'\n';
}
}