随笔分类 - OJ
摘要:# [第 111 场双周赛 - 力扣(LeetCode)](https://leetcode.cn/contest/biweekly-contest-111/) ## [2824. 统计和小于目标的下标对数目 - 力扣(LeetCode)](https://leetcode.cn/problems/
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摘要:洛谷100题计划(5/100) P1002 [NOIP2002 普及组] 过河卒 - 洛谷 | 计算机科学教育新生态 (luogu.com.cn) 不开long long见祖宗!!! 把马的控制点都标记,其余正常转移即可 \(dp[i][j] += dp[i - 1][j] + dp[i][j - 
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摘要:# [AtCoder Beginner Contest 315](https://atcoder.jp/contests/abc315) ## [A - tcdr (atcoder.jp)](https://atcoder.jp/contests/abc315/tasks/abc315_a) **一
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摘要:# [第 358 场周赛 - 力扣(LeetCode)](https://leetcode.cn/contest/weekly-contest-358/) ## [2815. 数组中的最大数对和 - 力扣(LeetCode)](https://leetcode.cn/problems/max-pai
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摘要:# [AtCoder Beginner Contest 314 - AtCoder](https://atcoder.jp/contests/abc314) ## [A - 3.14 (atcoder.jp)](https://atcoder.jp/contests/abc314/tasks/abc
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摘要:牛客周赛 Round 7 A-游游的you矩阵_牛客周赛 Round 7 (nowcoder.com) 把四种字符凑一起看看有没有\(y,o,u\)就行 #include <bits/stdc++.h> #define int long long using namespace std; signe
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摘要:# [第 357 场周赛 - 力扣(LeetCode)](https://leetcode.cn/contest/weekly-contest-357/) ## [2810. 故障键盘 - 力扣(LeetCode)](https://leetcode.cn/problems/faulty-keybo
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摘要:# 牛客周赛 Round 6 ## [A-游游的数字圈_牛客周赛 Round 6 (nowcoder.com)](https://ac.nowcoder.com/acm/contest/62622/A) **枚举即可** ```c++ #include #define int long long u
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摘要:# [AtCoder Beginner Contest 313 - AtCoder](https://atcoder.jp/contests/abc313) ## [A - To Be Saikyo (atcoder.jp)](https://atcoder.jp/contests/abc313/t
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摘要:# [牛客周赛 Round 5](https://ac.nowcoder.com/acm/contest/62033) ## [A-游游的字母变换_牛客周赛 Round 5 (nowcoder.com)](https://ac.nowcoder.com/acm/contest/62033/A) ``
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摘要:# [第 356 场周赛 - 力扣(LeetCode)](https://leetcode.cn/contest/weekly-contest-356/) ## [2798. 满足目标工作时长的员工数目 - 力扣(LeetCode)](https://leetcode.cn/problems/num
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摘要:# [牛客周赛 Round 4](https://ac.nowcoder.com/acm/contest/61571) ## [A-游游的字符串构造_牛客周赛 Round 4 (nowcoder.com)](https://ac.nowcoder.com/acm/contest/61571/A) *
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摘要:# [AtCoder Beginner Contest 312](https://atcoder.jp/contests/abc312) ## [A - Chord (atcoder.jp)](https://atcoder.jp/contests/abc312/tasks/abc312_a) ``
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摘要:# [Dashboard - Codeforces Round 886 (Div. 4) - Codeforces](https://codeforces.com/contest/1850) ## [A. To My Critics](https://codeforces.com/contest/1
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摘要:# Toyota Programming Contest 2023#4(AtCoder Beginner Contest 311) ## [A - First ABC (atcoder.jp)](https://atcoder.jp/contests/abc311/tasks/abc311_a) *
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摘要:6930. 检查数组是否是好的 - 力扣(LeetCode) 首先判断数组长度是不是最大值 + 1, 然后排个序,判断0到n - 2是不是都是1到最大值的一个排列,满足这些返回true就行了 class Solution { public: bool isGood(vector<int>& num)
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摘要:# [freee Programming Contest 2023(AtCoder Beginner Contest 310) - AtCoder](https://atcoder.jp/contests/abc310) ## [A - Order Something Else (atcoder.j
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