[Level 2][C++] 숫자의 표현

#include <string>
#include <vector>

using namespace std;

int solution(int n) {
   
    int answer = 0;
    for(int i=1; i<=n; i++)
    {
        int k =i;
        int sum=0;
        while(sum<n)
        {  
            sum += k++;
         if(sum==n)
             answer++;
        }
    }    
    return answer;
}