[Daily] 2021-06-21 MON

Movie Recommendation

• Plan: 6/28

LeetCode

Today: String

1451. Rearrange Words in a Sentence

map bucket solution

Better Solution: additional stringstream & map

• stringstream

  while(ss >> word)
  

  for(auto p: m) rs << p.second;
  

• map: (same length of word) add to end of the string

  m[word.size()] += word + " ";
  

Reminder

• <cctype>: toupper(), tolower(), isupper(), islower()