https://leetcode.com/problems/candy/description/?envType=study-plan-v2&envId=top-interview-150
class Solution {
public:
int candy(vector<int>& ratings) {
int n = ratings.
https://leetcode.com/problems/gas-station/?envType=study-plan-v2&envId=top-interview-150
class Solution {
public:
int canCompleteCircuit(vector<int>& gas, vector<int>
https://leetcode.com/problems/h-index/description/?envType=study-plan-v2&envId=top-interview-150
class Solution {
public:
int hIndex(vector<int>& citations) {
int n = citations.