feat: english version thinkings

feat: $457

Merge pull request #504 from xwjdsh/master

chore: emoji

feat: $1526

Merge pull request #477 from xybh-l/patch-1

fix:typo

Merge branch 'master' of https://github.com/azl397985856/leetcode

feat:$160$297$513$61$768$987

Merge branch 'master' of https://github.com/azl397985856/leetcode

fix: 电子书勘误 (#460) * fix: 电子书勘误 * Update dynamic-programming.md Co-authored-by: lucifer <[email protected]>

fix: 名字修改

feat: 单调栈

feat: $1558

feat: 回溯模板 & $1255

feat(ml):$172.factorial-trailing-zeroes.md (#448)

Merge branch 'master' of https://github.com/azl397985856/leetcode

feat: 416 分割等和子集 (#374) Co-authored-by: lucifer <[email protected]>

fix: 修改代码可读性

feat: GCD