12 2018 档案
摘要:A - The Fair Nut and Elevator #include<bits/stdc++.h> using namespace std; #define freread freopen("input.txt","r",stdin); #define frewrite freopen("o
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摘要:大佬博客 https://www.cnblogs.com/zinthos/p/3899565.html 题目:https://codeforces.com/problemset/problem/1080/F 题目大意: 给你k个线段,每个线段属于一个集合(n),每次查询a,b,x,y,求[a,b]的
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摘要:题目直通车:http://codeforces.com/contest/1088 A - Ehab and another construction problem 开心一下 #include<bits/stdc++.h> using namespace std; #define freread f
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