思维 - 随笔分类(第6页) - zltzlt

AtCoder Regular Contest 154 E Reverse and Inversion

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_e "AtCoder 传送门") 好题！考虑如何更阅读全文

posted @ 2023-06-24 14:02 zltzlt 阅读(16) 评论(0) 推荐(0)

AtCoder Regular Contest 154 D A + B > C ?

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_d "AtCoder 传送门") **看到这种题，应阅读全文

posted @ 2023-06-23 23:48 zltzlt 阅读(55) 评论(0) 推荐(0)

AtCoder Regular Contest 154 C Roller

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_c "AtCoder 传送门") 被这题干爆了![] 阅读全文

posted @ 2023-06-23 23:44 zltzlt 阅读(27) 评论(0) 推荐(0)

AtCoder Regular Contest 162 F Montage

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc162_f "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc162/tasks/arc162_f "AtCoder 传送门") 题目限制可以被改写阅读全文

posted @ 2023-06-21 21:01 zltzlt 阅读(27) 评论(0) 推荐(0)

AtCoder Regular Contest 162 E Strange Constraints

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc162_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc162/tasks/arc162_e "AtCoder 传送门") 完全没有思路。但是阅读全文

posted @ 2023-06-21 08:44 zltzlt 阅读(53) 评论(0) 推荐(0)

AtCoder Regular Contest 141 E Sliding Edge on Torus

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc141_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc141/tasks/arc141_e "AtCoder 传送门") $(i, j) \ 阅读全文

posted @ 2023-06-20 11:35 zltzlt 阅读(28) 评论(0) 推荐(0)

AtCoder Beginner Contest 221 G Jumping sequence

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc221_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc221/tasks/abc221_g "AtCoder 传送门") 这个数据范围让我们阅读全文

posted @ 2023-06-17 11:48 zltzlt 阅读(26) 评论(0) 推荐(0)

AtCoder Beginner Contest 275 G Infinite Knapsack

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc275_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc275/tasks/abc275_g "AtCoder 传送门") 原问题等价于： > 阅读全文

posted @ 2023-06-16 21:44 zltzlt 阅读(42) 评论(0) 推荐(0)

AtCoder Beginner Contest 220 G Isosceles Trapezium

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc220_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc220/tasks/abc220_g "AtCoder 传送门") 简单题。首先肯定阅读全文

posted @ 2023-06-15 21:41 zltzlt 阅读(38) 评论(0) 推荐(0)

AtCoder Beginner Contest 249 G Xor Cards

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc249_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc249/tasks/abc249_g "AtCoder 传送门") 好题。套路地，考阅读全文

posted @ 2023-06-15 12:57 zltzlt 阅读(37) 评论(0) 推荐(0)

AtCoder Regular Contest 141 C Bracket and Permutation

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc141_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc141/tasks/arc141_c "AtCoder 传送门") 考虑给出 $S$，阅读全文

posted @ 2023-06-13 21:53 zltzlt 阅读(15) 评论(0) 推荐(0)

CodeForces 1840G In Search of Truth

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/CF1840G2 "洛谷传送门") [CF 传送门](https://codeforces.com/problemset/problem/1840/G2 "CF 传送门") 每次询问获得的信息只有当前所在位置的数字。考阅读全文

posted @ 2023-06-09 08:21 zltzlt 阅读(104) 评论(0) 推荐(0)

AtCoder Beginner Contest 225 F String Cards

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc225_f "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc225/tasks/abc225_f "AtCoder 传送门") 这题是真的强。。阅读全文

posted @ 2023-06-06 07:06 zltzlt 阅读(36) 评论(0) 推荐(0)

AtCoder Regular Contest 153 D Sum of Sum of Digits

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc153_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc153/tasks/arc153_d "AtCoder 传送门") 又浪费一道好题![ 阅读全文

posted @ 2023-05-30 20:28 zltzlt 阅读(32) 评论(0) 推荐(0)

CodeForces 1830D Mex Tree

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/CF1830D "洛谷传送门") [CF 传送门](https://codeforces.com/contest/1830/problem/D "CF 传送门") 考虑答案的下界。对整棵树进行二分图染色，我们得到答案阅读全文

posted @ 2023-05-29 13:56 zltzlt 阅读(92) 评论(0) 推荐(1)

AtCoder Regular Contest 161 E Not Dyed by Majority (Cubic Graph)

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc161_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc161/tasks/arc161_e "AtCoder 传送门") 给构造题提供了一种阅读全文

posted @ 2023-05-29 08:49 zltzlt 阅读(89) 评论(0) 推荐(0)

AtCoder Regular Contest 139 E Wazir

摘要：洛谷传送门 AtCoder 传送门好题。这种题一般可以考虑，观察最优解的性质，对于性质计数。发现如果 $n,m$ 均为偶数，可以放满。就是类似这样： #.#.#. .#.#.# #.#.#. .#.#.# 因此答案就是 $2$。如果 $n,m$ 有一个为偶数，不妨假设 $n$ 阅读全文

posted @ 2023-05-26 15:56 zltzlt 阅读(19) 评论(0) 推荐(0)

AtCoder Regular Contest 146 D >=<

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc146_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc146/tasks/arc146_d "AtCoder 传送门") 考虑直接增量构造。阅读全文

posted @ 2023-05-25 17:03 zltzlt 阅读(28) 评论(0) 推荐(0)

AtCoder Regular Contest 139 D Priority Queue 2

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc139_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc139/tasks/arc139_d "AtCoder 传送门") 看成方案数想了 1 阅读全文

posted @ 2023-05-24 18:31 zltzlt 阅读(35) 评论(0) 推荐(0)

AtCoder Regular Contest 132 F Takahashi The Strongest

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc132_f "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc132/tasks/arc132_f "AtCoder 传送门") 没见过这种在新运算阅读全文

posted @ 2023-05-24 12:50 zltzlt 阅读(31) 评论(0) 推荐(0)

zltzlt

随笔分类 - 思维

公告