Cod sursa(job #21954)
Utilizator | Data | 25 februarie 2007 11:21:54 | |
---|---|---|---|
Problema | Triplete | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.46 kb |
#include<stdio.h>
#include<fstream.h>
int main() {
ifstream f("triplete.in");
ofstream g("triplete.out");
unsigned int n,m,a[200][200],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;
for(k=1;k<=m;k++) {f>>i>>j; a[i][j]=a[j][i]=1;}
f.close();
for(i=1;i<=n-2;i++)
for(j=i+1;j<=n-1;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;
}