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【新生寒训】day 17 Euler函数 今日小题 https://atcoder.jp/contests/abc135/tasks/abc135_d https://codeforces.com/contest/710/problem/E Euler函数 算法学习笔记(18): 欧拉函数 欧拉系列 阅读全文
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AtCoder Beginner Contest 135 A - Harmony #include <bits/stdc++.h> using namespace std; int main () { int a, b; cin >> a >> b; if (a == b) cout << 0; e 阅读全文
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Educational Codeforces Round 16 https://codeforces.com/contest/710 4/6:ABCE A. King Moves #include <bits/stdc++.h> using namespace std; int cnt, ans; 阅读全文