Cod sursa(job #384311)

Utilizator IlieeUngureanu Ilie Iliee Data 19 ianuarie 2010 21:08:12
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
#include<stdio.h>
void read(),solve();
int i,j,n,a[1010][1010];
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			scanf("%d",&a[i][j]);
}
void solve()
{
	int k;
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(a[i][k]+a[k][j]<a[i][j])
					a[i][j]=a[i][k]+a[k][j];
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
		printf("%d ",a[i][j]);
		printf("\n");
	}
}