#include "leetcode.h" class Solution { public: bool increasingTriplet(vector &nums) { int one = INT_MAX, two = INT_MAX; for (auto n : nums) { if (n <= one) one = n; else if (n <= two) two = n; else return true; } return false; } }; int main() { Solution obj; vector nums = {1, 2, 3, 4, 5}; if (obj.increasingTriplet(nums)) cout << "true"; else cout << "false"; }