V
主页
Pinely Round 3 (Div. 1 + Div. 2)(A-F1)(思路讲解)
发布人
A题:看对0,0点来说至少需要几个方向。 B题:答案是2的幂次方,暴力计算。 C题:让区间尽可能短的短,用栈去记录左区间。 D题:对于单个点写出公式,发现实际上是求ai-k的因子,让操作次数最小,可以求ai-k的gcd,然后去掉不可能情况。 E题:全选的时候,平方数会亮,对于n>=20全选,一定是对的,对于小的情况,预处理所有选择,然后记录符合n/5的情况,答案很少,后续暴力比对。 F1题:ai和ai+1只能相差0,1,2,把pi理解成(i,pi)点,那么ai一个正方形里的点数。
打开封面
下载高清视频
观看高清视频
视频下载器
Educational Codeforces Round 166 (Rated for Div. 2)(A-F)(思路讲解)
Codeforces Round 948 (Div. 2)(A-E)(思路讲解)
Educational Codeforces Round 154 (Rated for Div. 2)(A-E)思路讲解(周末限定版)
Codeforces Round 951 (Div. 2)(A-F)(思路讲解)
Codeforces Round 946 (Div. 3)(A-G)(思路讲解)
Codeforces Round 893 (Div. 2)(A-D)思路讲解
Codeforces Round 910 (Div. 2)(A-E)思路讲解
Codeforces Round 892 (Div. 2)(A-E)思路讲解
Codeforces Round 926 (Div. 2)(A-F)(思路讲解)
Educational Codeforces Round 152 (Rated for Div. 2)(A-D)思路讲解
【赛时 AK】Educational Codeforces Round 169 (Rated for Div. 2)
Codeforces Round 971 (Div. 4) 题目讲解 (ABCDEFG1G2)
Codeforces Round 913 (Div. 3)(A-G)思路讲解
字节一面c++-20240909
Codeforces Round 889 (Div. 2)(A-D)思路讲解
Codeforces Round 950 (Div. 3)(A-G)(思路讲解)
Codeforces Round 917 (Div. 2)(A-E)(思路讲解)
Codeforces Round 891 (Div. 3)(A—G)思路讲解
Codeforces Round 916 (Div. 3)(A-G)(思路讲解)
Pinely Round 2 (Div. 1 + Div. 2)(A-E)思路讲解(周末回归版)
Codeforces Round 888 (Div. 3)(A-G)思路讲解
Codeforces Round 918 (Div. 4)(A-G)(思路讲解)
Codeforces Round 911 (Div. 2)(A-E)思路讲解
Codeforces Round 970 (Div. 3) A-H讲解
Educational Codeforces Round 159 (Rated for Div. 2)(A-E)思路讲解
2023年CSP-J入门组第一轮
Codeforces Round 908 (Div.1,2)(2A-2B,1A-1C)思路讲解
老同学讲解107期大乐透同尾与重复思路参考价值!
Educational Codeforces Round 160 (Rated for Div. 2)(A-D)(思路讲解)
Codeforces Round 896 (Div.1 Div. 2)(2A-2B)(1A-1B2)思路讲解(上学加班限定)
Codeforces Round 949 (Div. 2)(A-E)(思路讲解)
Codeforces Round 915 (Div. 2)(A-E)(思路讲解)
Educational Codeforces Round 161 (Rated for Div. 2)(A-F)(思路讲解)
Codeforces Round 944 (Div. 4)(A-H)(思路讲解)
Codeforces Round 923 (Div. 3)(A-G)(思路讲解)
Codeforces Round 914 (Div. 2)(A-E)思路讲解
Educational Codeforces Round 158 (Rated for Div. 2)(A-E)思路讲解
Educational Codeforces Round 162 (Rated for Div. 2)(A-E)(思路讲解)
Codeforces Round 924 (Div. 2)(A-E)(思路讲解)
OpenGL 和 C++ 开发的项目,耗时六个月,纯手写,代码量约4万多行!