AlbertMourato

Untitled

Nov 24th, 2014
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C++ 0.44 KB | None | 0 0
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int array[10000000];
  4. int main(){
  5.     int n;
  6.     int k;
  7.     int contador = 0;
  8.     scanf("%d", &n);
  9.     scanf("%d", &k);
  10.     int v = 0;
  11.     while(v<n){
  12.         scanf("%d", &array[v]);
  13.         v++;
  14.     }
  15.     sort(array, array+n);
  16.     for(int i = 0;i<n;i++){
  17.         if(binary_search(array, array+n,array[i]+2)){
  18.                 contador++;
  19.         }
  20.     }
  21.     printf("%d\n", contador);
  22. }
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