摘要：
1 #include <bits/stdc++.h> 2 3 using namespace std; 4 const int INF = 0x3f3f3f3f; 5 6 struct node 7 { 8 int v, w, next; 9 }edge[5000005]; 10 int n, to 阅读全文
摘要：
A - Freight Train（二分+思维） https://www.cnblogs.com/0xiaoyu/p/12849760.html G - Physical Music（题意挺绕+简单思维） https://www.cnblogs.com/0xiaoyu/p/12846839.html 阅读全文
摘要：
The chemical company NS (Nasty Substances) has three factories: one in the Netherlands, one in Belgium and one in Luxembourg. Chemicals are moved betw 阅读全文
摘要：
Chess is a game in which two sides control pieces in an attempt to capture each other’s king. The pieces vary in mobility. At the beginning of a game 阅读全文
摘要：
The music business is changing rapidly, and this is reflected by the single charts. Initially, the Dutch Single Top 100 was based purely on sale numbe 阅读全文