Use the generic count algorithm with predicate: Determine the number of array elements that are not equal to 1 : bind2nd « STL Algorithms Helper « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Helper
3. bind2nd

#include <iostream>
#include <cassert>
#include <algorithm>
#include <functional>
using namespace std;

int main()
{
  int a[] = {0, 0, 0, 1, 1, 1, 2, 2, 2};

  int final_count = count_if(&a[0], &a[9], bind2nd(not_equal_to<int>(), 1));

  cout << final_count << endl;  
  return 0;
}

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