Cod sursa(job #21945)
Utilizator | Data | 25 februarie 2007 11:05:40 | |
---|---|---|---|
Problema | Triplete | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.42 kb |
#include<fstream.h>
#define N 4000
main() {
ifstream f("triplete.in");
ofstream g("triplete.out");
int n,m,a[N][N],i,j,k,c=0;;
f>>n>>m;
//for(i=1;i<n;i++)
// for(j=i+1;j<=n;j++)
// a[i][j]=a[j][i]=0;
while(f>>i>>j) a[i][j]=a[j][i]=1;
for(i=1;i<n-1;i++)
for(j=i+1;j<n;j++)
for(k=j+1;k<=n;k++)
if(a[i][j]==1 && a[j][k]==1 && a[k][i]==1)
c++;
g<<c;
return 0;
}