随笔分类 -  ATCoder

ABC 345 F - Many Lamps
摘要：ABC 345 F - Many Lamps 解题思路: 每次选取一条边，要么亮两个，要么灭两个，要么一灭一暗。亮的个数的奇偶性不变，所以不可能亮奇数个。 考虑每个连通块。如果是偶数个一定能全亮，奇数个则最少一个不亮。 对于两暗的，需要时通过操作点亮是一定的。 考虑一明一暗时是加入边的操作意味什么： 阅读全文
posted @ 2024-03-17 17:09 value0 阅读(93) 评论(0) 推荐(0)
Toyota Programming Contest 2024#3（AtCoder Beginner Contest 344）
摘要：Toyota Programming Contest 2024#3（AtCoder Beginner Contest 344） A - Spoiler 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; us 阅读全文
posted @ 2024-03-10 02:13 value0 阅读(43) 评论(0) 推荐(0)
HUAWEI Programming Contest 2024（AtCoder Beginner Contest 342）
摘要：HUAWEI Programming Contest 2024（AtCoder Beginner Contest 342） A - Yay! 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; using p 阅读全文
posted @ 2024-02-25 17:34 value0 阅读(68) 评论(0) 推荐(1)
Toyota Programming Contest 2024#2（AtCoder Beginner Contest 341）
摘要：Toyota Programming Contest 2024#2（AtCoder Beginner Contest 341） A - Print 341 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; 阅读全文
posted @ 2024-02-20 23:32 value0 阅读(41) 评论(0) 推荐(0)
KAJIMA CORPORATION CONTEST 2024（AtCoder Beginner Contest 340）
摘要：KAJIMA CORPORATION CONTEST 2024（AtCoder Beginner Contest 340） A - Arithmetic Progression 代码: #include <bits/stdc++.h> using namespace std; using ll = 阅读全文
posted @ 2024-02-14 19:27 value0 阅读(34) 评论(0) 推荐(0)
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339)
摘要：Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) A - TLD 代码: #include <bits/stdc++.h> using namespace std; using 阅读全文
posted @ 2024-02-06 17:18 value0 阅读(30) 评论(0) 推荐(0)
AtCoder Beginner Contest 338
摘要：AtCoder Beginner Contest 338 A - Capitalized? 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<ll, ll>; #defin 阅读全文
posted @ 2024-01-27 21:41 value0 阅读(34) 评论(0) 推荐(0)
Toyota Programming Contest 2024#1（AtCoder Beginner Contest 337）
摘要：Toyota Programming Contest 2024#1（AtCoder Beginner Contest 337） A - Scoreboard 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; 阅读全文
posted @ 2024-01-21 22:58 value0 阅读(45) 评论(0) 推荐(0)
AtCoder Beginner Contest 336
摘要：AtCoder Beginner Contest 336 A - Long Loong 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<ll, ll>; #define 阅读全文
posted @ 2024-01-20 23:10 value0 阅读(13) 评论(0) 推荐(0)
AtCoder Beginner Contest 335 (Sponsored by Mynavi)
摘要：AtCoder Beginner Contest 335 (Sponsored by Mynavi) A - 2023 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<l 阅读全文
posted @ 2024-01-11 10:04 value0 阅读(19) 评论(0) 推荐(0)
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334)
摘要：UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) A - Christmas Present 代码: #include <bits/stdc++.h> using namespace std 阅读全文
posted @ 2023-12-26 02:38 value0 阅读(22) 评论(0) 推荐(0)
Toyota Programming Contest 2023#8（AtCoder Beginner Contest 333）
摘要：Toyota Programming Contest 2023#8（AtCoder Beginner Contest 333） A - Three Threes 代码: #include <bits/stdc++.h> using namespace std; typedef long long l 阅读全文
posted @ 2023-12-17 22:26 value0 阅读(69) 评论(0) 推荐(0)
AtCoder Beginner Contest 332
摘要：AtCoder Beginner Contest 332 A - Online Shopping 代码: #include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e6 + 10; typed 阅读全文
posted @ 2023-12-12 18:40 value0 阅读(36) 评论(0) 推荐(0)
Daiwa Securities Co. Ltd. Programming Contest 2023（AtCoder Beginner Contest 331）
摘要：Daiwa Securities Co. Ltd. Programming Contest 2023（AtCoder Beginner Contest 331） A - Tomorrow 解题思路: 模拟。 代码: #include <bits/stdc++.h> using namespace s 阅读全文
posted @ 2023-12-08 17:39 value0 阅读(31) 评论(0) 推荐(0)
Toyota Programming Contest 2023#7（AtCoder Beginner Contest 328）
摘要：Toyota Programming Contest 2023#7（AtCoder Beginner Contest 328） A. Not Too Hard 题意： 将给定的数列\(a\)中数值小于\(x\)的数累加。 解题思路: 模拟。 代码: #include<bits/stdc++.h> u 阅读全文
posted @ 2023-11-13 15:52 value0 阅读(51) 评论(0) 推荐(0)
HHKB Programming Contest 2023(AtCoder Beginner Contest 327)
摘要：HHKB Programming Contest 2023(AtCoder Beginner Contest 327) A. ab 解题思路: 模拟即可。 代码: #include <bits/stdc++.h> using namespace std; using ll = long long; 阅读全文
posted @ 2023-11-04 21:55 value0 阅读(61) 评论(0) 推荐(0)
UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323)
摘要：UNIQUE VISION Programming Contest 2023 Autumn(AtCoder Beginner Contest 323) A. Weak Beats 解题思路: 按题意模拟即可。 代码: #include <bits/stdc++.h> using namespace 阅读全文
posted @ 2023-10-08 12:14 value0 阅读(77) 评论(0) 推荐(0)
AtCoder Beginner Contest 322
摘要：AtCoder Beginner Contest 322 推荐视频：AtCoder Beginner Contest 322 A 至 F 題讲解 by dreamoon A. First ABC 2 解题思路: 遍历寻找连续的\(ABC\). 时间复杂度:\(O(n)\). 代码: #include 阅读全文
posted @ 2023-10-07 16:53 value0 阅读(30) 评论(0) 推荐(1)