Cod sursa(job #255919)

Utilizator vladbBogolin Vlad vladb Data 10 februarie 2009 21:08:04
Problema Floyd-Warshall/Roy-Floyd Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.51 kb
#include<fstream.h>

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int a[101][101],n;

void roy()
{	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]=a[i][k]+a[k][j];
}

int main()
{	fin>>n;
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			fin>>a[i][j];
	roy();
	for(i=1;i<=n;i++)
	{	for(int j=1;j<=n;j++)
			fout<<a[i][j]<<" ";
        	fout<<"\n";
	}
	fin.close();
	fout.close();
	return 0;
}