class Solution {
public:
  /*
  * @param nums: a list of integers
  * @return: A integer indicate the sum of minimum subarray
  */
  int minSubArray(vector<int> &nums) {
    // write your code here
  int sum = 0, flag = 0;
  for (int i = 0; i < nums.size(); i++) {
    flag += nums[i];
    if (flag > 0) flag = 0;
    if (flag < sum) sum = flag;
  }
  sort(nums.begin(), nums.end());
  if (nums[0] >= 0) {
    sum = nums[0];
  }
  return sum;
  }
};