Cod sursa(job #177506)

Utilizator andrei-alphaAndrei-Bogdan Antonescu andrei-alpha Data 13 aprilie 2008 10:12:38
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <stdio.h>
#define N 101
int n,a[N][N];
int main()
{
	freopen("royfloyd.in", "r",stdin);
	freopen("royfloyd.out", "w",stdout);
	scanf("%d", &n);
	for(int i=1;i<=n;++i)
		for(int j=1;j<=n;++j)
			scanf("%d", &a[i][j]);
	for(int k=1;k<=n;++k)
		for(int i=1;i<=n;++i)
			for(int j=1;j<=n;++j)
				if (a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]|| !a[i][j])&&i!=j)  
                    a[i][j]=a[i][k]+a[k][j];  
	for(int i=1;i<=n;++i)
	{
		for(int j=1;j<=n;++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
	return 0;
}