因为博客园的公式编辑有点坑,所以……
原题
相关文章
- 12-06Codeforces Round #746 (Div. 2)
- 12-06Codeforces Round #746 (Div. 2)
- 12-06Codeforces Round #746 (Div. 2)
- 12-06codeforces 659B Qualifying Contest
- 12-06Codeforces Round #622 (Div. 2) A. Fast Food Restaurant
- 12-06Codeforces 379D - New Year Letter
- 12-06codeforces1484C
- 12-06Educational Codeforces Round 37
- 12-06Educational Codeforces Round 6 C. Pearls in a Row
- 12-06codeforces 721C (拓排 + DP)