find max drop

find_max_drop.cpp

#include <iostream>
using namespace std;

int find_max_drop(int* input, int len)
{
  int max_drop = INT_MIN;
  int max_pos = 0;

  for(int i = 0; i < len; i++)
  {
    int diff = input[max_pos] - input[i];
    if (max_drop < diff)
      max_drop = diff;

    if (input[max_pos] < input[i])
      max_pos = i;
  }
  return max_drop;
}

int main()
{
  int input[7] = {2,4,-1,5, 7,6, 1};
  cout<<"max drop = "<<find_max_drop(input, 7)<<endl;
  return 1;
}