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牛客测试链接:https://www.nowcoder.com/practice/7f8a8553ddbf4eaab749ec988726702b #include <bits/stdc++.h> using namespace std; const int N=2e5+10; typedef lo 阅读全文
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codeforces链接:https://codeforces.com/problemset/problem/1383/A CF1383A String Transformation 1 题目描述 Note that the only difference between String Transf 阅读全文
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codeforces题目链接: https://codeforces.com/problemset/problem/15/C CF15C Industrial Nim 题目描述 There are $ n $ stone quarries in Petrograd. Each quarry owns 阅读全文
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codeforces链接原题:https://codeforces.com/problemset/problem/453/A CF453A Little Pony and Expected Maximum 题目描述 暮暮刚刚在和她的朋友——AJ(苹果杰克)、FS(小蝶)、RD(云宝黛西)玩Ludo游 阅读全文
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codeforces原题链接:https://codeforces.com/problemset/problem/466/C CF466C Number of Ways 题目描述 You've got array $ a[1],a[2],...,a[n] $ , consisting of $ n 阅读全文