Cod sursa(job #68130)
Utilizator | Data | 26 iunie 2007 17:28:56 | |
---|---|---|---|
Problema | Lacate | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.41 kb |
#include<stdio.h>
int n, nr;
int main()
{
freopen("lacate.in","r",stdin);
scanf("%d",&n);
int lmin, chei;
if (n==1) {freopen("lacate.out","w",stdout);
printf("1 1\n1\n1");}
else {
lmin=n*(n-1)/2;
chei=lmin*2;
freopen("lacate.out","w",stdout);
printf("%d %d\n",lmin, chei);
for (int i=1; i<=n-1;i++)
for (int j=i+1; j<=n; j++)
printf("%d %d\n",i, j);}
return 0;
}