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Now you get Baby Ehab's first words: "Given an integer nn, find the longest subsequence of [1,2,…,n−1][1,2,…,n−1] whose product is 11 modulo nn." Plea 阅读全文
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2020 KAIST 10th ICPC Mock Contest (XXI Open Cup. Grand Prix of Korea. Division 2) B. Bombs In My Deck D. Fix Wiring F. Square, Not Rectangle H. Mock C 阅读全文
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Educational Codeforces Round 104 (Rated for Div. 2) A. Arena 签到题,直接看看多少个数比最小的数大就好了。 #include<bits/stdc++.h> #define ll long long int #define mem(a,b) 阅读全文
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A. Yet Another String Game #include<bits/stdc++.h> #define mem(a,b) memset(a,b,sizeof a) #define ll long long int using namespace std; string s; int m 阅读全文
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A. Space Navigation 签到题 #include<bits/stdc++.h> #include<iostream> #include<map> #include<cstdio> #include<cmath> #define mem(a,b) memset(a,b,sizeof a 阅读全文