AtCoder - 随笔分类(第7页) - zltzlt

AtCoder Beginner Contest 258 Ex Odd Steps

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc258_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc258/tasks/abc258_h "AtCoder 传送门") 不错的矩阵快速幂优阅读全文

posted @ 2023-05-30 22:10 zltzlt 阅读(30) 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)

AtCoder Regular Contest 148 E ≥ K

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc148_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc148/tasks/arc148_e "AtCoder 传送门") 是一道不错的计数。阅读全文

posted @ 2023-05-29 22:44 zltzlt 阅读(37) 评论(0) 推荐(0)

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 Beginner Contest 303 G Bags Game

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc303_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc303/tasks/abc303_g "AtCoder 传送门") 经典题，考虑区间阅读全文

posted @ 2023-05-28 19:19 zltzlt 阅读(134) 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 Beginner Contest 193 F Zebraness

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc193_f "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc193/tasks/abc193_f "AtCoder 传送门") 复习一下最小割。阅读全文

posted @ 2023-05-25 13:27 zltzlt 阅读(35) 评论(0) 推荐(0)

AtCoder Regular Contest 146 C Even XOR

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc146_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc146/tasks/arc146_c "AtCoder 传送门") 好可爱的题啊。没阅读全文

posted @ 2023-05-25 09:58 zltzlt 阅读(21) 评论(0) 推荐(0)

AtCoder Beginner Contest 267 Ex Odd Sum

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc267_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc267/tasks/abc267_h "AtCoder 传送门") 直接暴力跑背包的复阅读全文

posted @ 2023-05-24 21:55 zltzlt 阅读(43) 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 E Paw

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc132_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc132/tasks/arc132_e "AtCoder 传送门") 感觉挺 educa 阅读全文

posted @ 2023-05-24 13:55 zltzlt 阅读(28) 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)

AtCoder Regular Contest 139 C One Three Nine

摘要：[洛谷传送门](http://https://www.luogu.com.cn/problem/AT_arc139_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc139/tasks/arc139_c "AtCoder 传送门") ~~ 阅读全文

posted @ 2023-05-23 15:28 zltzlt 阅读(38) 评论(0) 推荐(0)

AtCoder Regular Contest 132 D Between Two Binary Strings

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc132_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc132/tasks/arc132_d "AtCoder 传送门") 提供一个 dp 思阅读全文

posted @ 2023-05-22 18:23 zltzlt 阅读(60) 评论(0) 推荐(0)

AtCoder Grand Contest 062 B Split and Insert

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_agc062_b "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/agc062/tasks/agc062_b "AtCoder 传送门") 妙妙题。像这种最阅读全文

posted @ 2023-05-22 10:50 zltzlt 阅读(48) 评论(0) 推荐(0)

AtCoder Beginner Contest 302 Ex Ball Collector

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc302_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc302/tasks/abc302_h "AtCoder 传送门") 考虑如果只询问一次阅读全文

posted @ 2023-05-22 09:15 zltzlt 阅读(68) 评论(0) 推荐(0)

AtCoder Regular Contest 130 E Increasing Minimum

摘要：这题太神仙了吧！感觉还不是很懂，但是尽力理一下思路。设 $t_x$ 为最大的 $j$ 使得 $i_j = x$，不存在则 $t_x = 0$。设 $1 \sim n$ 的数按照 $t$ 从小到大排序后是 $p_1, p_2, ..., p_n$，设 $q_i$ 为 $i$ 在 $p$ 中的排名，阅读全文

posted @ 2023-05-21 12:12 zltzlt 阅读(37) 评论(0) 推荐(0)

AtCoder Regular Contest 130 C Digit Sum Minimization

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc130_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc130/tasks/arc130_c "AtCoder 传送门") 分类讨论，但是写起阅读全文

posted @ 2023-05-20 11:43 zltzlt 阅读(33) 评论(0) 推荐(0)

AtCoder Regular Contest 133 E Cyclic Medians

摘要：[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc133_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc133/tasks/arc133_e "AtCoder 传送门") 其实是套路题，但是阅读全文

posted @ 2023-05-19 19:04 zltzlt 阅读(24) 评论(0) 推荐(0)

zltzlt

随笔分类 - AtCoder

公告