study algorithm

study

https://leetcode.com/problems/greatest-common-divisor-of-strings/?envType=study-plan-v2&envId=leetcode-75python3java

문제 https://leetcode.com/problems/kids-with-the-greatest-number-of-candies/description/?envType=study-plan-v2&envId=leetcode-75 python3 java

https://leetcode.com/problems/can-place-flowers/description/?envType=study-plan-v2&envId=leetcode-75인접한 양 옆으로 심어지지 않은 자리에 n개 만큼 꽃을 심어야 함

https://leetcode.com/problems/reverse-words-in-a-string/?envType=study-plan-v2&envId=leetcode-75