[leetcode] beginning
leet code
leet code는 학습할 수있는 chapter를 제공한다. explorer -> learn은 기초중의 기초다.

Figure 1: leetcode explorer

Figure 2: leetcode learn
The Leet Code Beginner’s Guide
- 1st problem (1480. Running Sum of 1D Array)
- 2nd_problem (1672. Richest Customer Wealth)