Cod sursa(job #264980)

Utilizator dan_10Dan Alexandru dan_10 Data 23 februarie 2009 08:42:20
Problema Floyd-Warshall/Roy-Floyd Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include<fstream.h>

int n,a[100][100];

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int main()
{	f>>n;
	int i,j,k;
	for(i=1;i<=n;i++)
	for(j=1;j<=n;j++)
		f>>a[i][j];

	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(a[i][j]>a[i][k]+a[k][j] && i!=j)
					a[i][j]=a[i][k]+a[k][j];

	for(i=1;i<=n;i++)
	{	for(j=1;j<=n;j++)
			g<<a[i][j]<<" ";
			g<<"\n";
	}

	g.close();
	f.close();
	return 0;
}