Cod sursa(job #498095)

Utilizator DuxarFII-Stefan-Negrus Duxar Data 4 noiembrie 2010 00:53:24
Problema Floyd-Warshall/Roy-Floyd Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.65 kb
#include<cstdio>

using namespace std;

int n,a[101][101];

void read();
void dist();
void write();

int main()
{
	freopen ("royfloyd.in","r",stdin);
	freopen ("royfloyd.out","w",stdout);
	read();
	dist();
	write();
	return 0;
}

void read()
{
	int i,j;
	scanf("%ld",&n);
	for (i=1;i<=n;++i)
		for (j=1;j<=n;++j)
			scanf("%ld",&a[i][j]);
}

void dist()
{
	int k,i,j;
	for (k=1;k<=n;++k)
		for (i=1;i<=n;++i)
			for (j=1;j<=n;++j)
				if (i!=j)
					if (!a[i][j])
						a[i][j]=a[i][k]&&a[k][j];
}

void write()
{
	int i,j;
	for (i=1;i<=n;++i)
	{
		for (j=1;j<=n;++j)
			printf("%ld ",a[i][j]);
		printf("\n");
	}
}