Cod sursa(job #269335)

Utilizator GheorgheMihaiMihai Gheorghe GheorgheMihai Data 2 martie 2009 19:53:36
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.79 kb
#include<stdio.h>
int n;
int v[260][260];//v[260][260];
int sol[26][26];//sol[260][260];


void floyd()
{
int i,j,k;
for(k=1;k<=n;k++)
 for(i=1;i<=n;i++)
	 for(j=1;j<=n;j++)
		 if(v[i][k] && v[k][j] && i!=j && ((v[i][j]>v[i][k]+v[k][j]) || v[i][j]==0))
			 {
			 v[i][j]=v[i][k]+v[k][j];
			 sol[i][j]=1;
			 }
		 else
			 if(v[i][j]==v[i][k]+v[k][j])
				 sol[i][j]++;
}


void read()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
int i,j;
for(i=1;i<=n;i++)
	for(j=1;j<=n;j++)
		scanf("%d",&v[i][j]);
floyd();
for(i=1;i<=n;i++)
	{
	for(j=1;j<=n;j++)
		printf("%d ",v[i][j]);
	printf("\n");
	}
/*
for(i=1;i<=n;i++)
	{
	for(j=1;j<=n;j++)
		printf("%d ",s[i]);
	printf("\n");
	}
*/
}


int main()
{
read();
return 0;
}