Consecutive_Numbers_Sum.cpp

class Solution {
public:
    int consecutiveNumbersSum(int N) {
       int count = 0;
        for(int k = 0 ; k*(k+1)/2 < N ; k++){
            double a = ((double) N)/((double) k + 1) - (double) k/2;
            if(a - (int)a == 0){
                count +=1;
            }
        }
        return count;
    }
};