leetcode

Solution to some Leetcode problems written in C++

git clone git://git.dimitrijedobrota.com/leetcode.git

0523.cpp (369B)

1 class Solution { 2 public: 3 bool checkSubarraySum(const vector<int> &nums, int k) const { 4 unordered_set<int> seen; 5 6 for (int i = 0, sum = 0, pre = 0; i < size(nums); i++) { 7 sum += nums[i]; 8 if (seen.count(sum % k)) return true; 9 seen.insert(pre); 10 pre = sum % k; 11 } 12 13 return false; 14 } 15 };