摘要:
1 #include<bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const int N=5e4+5; 5 int blg[N],L[N],R[N],tag[N],sum[N],a[N],block,tot; 6 v 阅读全文
摘要:
The Luckiest number Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10897 Accepted: 2769 Description Chinese people think of '8' as the luc 阅读全文