11 2023 档案

Codeforces Round 911 (Div. 2)
摘要：比赛录屏 https://www.bilibili.com/video/BV1H34y1F7B1/ \(A. Cover in Water\) https://codeforces.com/contest/1900/submission/234430348 \(B. Laura and Operat 阅读全文
posted @ 2023-11-27 00:24 EdGrass 阅读(49) 评论(0) 推荐(1)
Starters 109 Division 2 (Rated)
摘要：比赛录屏 https://www.bilibili.com/video/BV1Aw411n7DP/?vd_source=9a4bbd69c77feaab80f2e4e19721de57vd_source=9a4bbd69c77feaab80f2e4e19721de57 \(Best of N Set 阅读全文
posted @ 2023-11-23 00:41 EdGrass 阅读(38) 评论(0) 推荐(0)
Codeforces Round 905 (Div. 2)
摘要：\(A. Chemistry\) https://codeforces.com/contest/1888/submission/233505834 \(B. Raspberries\) https://codeforces.com/contest/1888/submission/233506474 阅读全文
posted @ 2023-11-22 11:28 EdGrass 阅读(83) 评论(0) 推荐(0)
Codeforces Round 904 (Div. 2)
摘要：\(A. Simple Design\) https://codeforces.com/contest/1884/submission/233628914 \(B. Haunted House\) https://codeforces.com/contest/1884/submission/2336 阅读全文
posted @ 2023-11-21 12:24 EdGrass 阅读(49) 评论(0) 推荐(0)
Codeforces Round 910 (Div. 2)
摘要：比赛录屏 https://www.bilibili.com/video/BV1kN411T71H/?spm_id_from=top_right_bar_window_dynamic.content.click \(A. Milica and String\) https://codeforces.c 阅读全文
posted @ 2023-11-20 00:36 EdGrass 阅读(106) 评论(0) 推荐(0)
Starters 108 (Rated till 6 Stars)
摘要：\(Chess Pairing\) https://www.codechef.com/viewsolution/1030072835 \(Palindromic Prime Numbers\) https://www.codechef.com/viewsolution/1030133052 \(Cl 阅读全文
posted @ 2023-11-16 00:48 EdGrass 阅读(216) 评论(0) 推荐(0)
Codeforces Round 907 (Div. 2)
摘要：\(A. Sorting with Twos\) https://codeforces.com/contest/1891/submission/232689614 \(B. Deja Vu\) https://codeforces.com/contest/1891/submission/232690 阅读全文
posted @ 2023-11-14 18:35 EdGrass 阅读(54) 评论(0) 推荐(0)
Codeforces Round 908 (Div. 2)
摘要：比赛视频 https://www.bilibili.com/video/BV1nw411x7xH/?vd_source=9a4bbd69c77feaab80f2e4e19721de57 \(A. Secret Sport\) https://codeforces.com/contest/1894/s 阅读全文
posted @ 2023-11-08 00:11 EdGrass 阅读(162) 评论(0) 推荐(0)
Educational Codeforces Round 157 (Rated for Div. 2)
摘要：\(D. XOR Construction\) 首先观察 $ b_1 \oplus b_2=a_1, b_2 \oplus b_3=a_2 \ldots $ ，发现 \(b_1 \oplus b_{j+1}=\bigoplus^{j}_{i=1}a_i\) ，那么自然的想到如果第一个数字确定，后面的 阅读全文
posted @ 2023-11-07 21:23 EdGrass 阅读(33) 评论(0) 推荐(0)
Starters 106 (Rated till 5 Stars) div2
摘要：\(Guess the winner!\) 场上没想到怎么做，看到题解就会了。因为只能删掉奇数，所以如果原来的数字是个偶数，后手可以跟着先手删掉相同的数字。 因为没写出这道题，下次只能去写 \(div3\) 了。 void solve(){ int n=read(),ans=1; if(n==1|| 阅读全文
posted @ 2023-11-02 22:23 EdGrass 阅读(44) 评论(0) 推荐(0)