摘要:
B - Minor Reduction
我的做法可能太绕了,特判了好多个。
但是辛辛苦苦调了好久的代码,码了好久的字啊www 阅读全文
![Educational Codeforces Round 121 (Rated for Div. 2)——B - Minor Reduction](https://img2022.cnblogs.com/blog/2803279/202203/2803279-20220319163337297-1735233726.png)
摘要:
A - Equidistant Letters
虽然这个世界上不会有人犯这个错误,但我还是要说一下,记录我的弱智行为,就是我把26个字母记成了24个,所以WA了QAQ 阅读全文
![Educational Codeforces Round 121 (Rated for Div. 2)——A - Equidistant Letters](https://img2022.cnblogs.com/blog/2803279/202203/2803279-20220319152814442-1521651547.png)
摘要:
B. GCD Arrays
get新的小知识~
统计一段区间内的奇数个数: (r−l+1)−(r/2−(l−1)/2) 阅读全文
![Codeforces Round #767 (Div. 2)——B. GCD Arrays](https://img2022.cnblogs.com/blog/2803279/202203/2803279-20220319153125572-1767526612.png)