摘要: E - Stars 题意:B表示点亮改点,D表示熄灭,Q查询区间内亮的个数 Sample Input 5 B 581 145 B 581 145 Q 0 600 0 200 D 581 145 Q 0 600 0 200 AC代码: 1 #include <bits/stdc++.h> 2 3 us 阅读全文
posted @ 2019-01-21 20:09 liuyongliu 阅读(186) 评论(0) 推荐(0)
摘要: A - A Simple Problem with Integers "C a b c" means adding c to each of Aa, Aa+1, ... , Ab. -10000 ≤ c ≤ 10000."Q a b" means querying the sum of Aa, Aa 阅读全文
posted @ 2019-01-21 16:43 liuyongliu 阅读(182) 评论(0) 推荐(0)
摘要: P1164 小A点菜 d[i][j] : 前i个菜刚好花费j元的方案数 int d[200][10008]; int main() { int n,m; cin>>n>>m; int v[200]; for(int i=1;i<=n;i++) cin>>v[i]; d[1][0]=1; d[1][v 阅读全文
posted @ 2019-01-21 10:30 liuyongliu 阅读(179) 评论(0) 推荐(0)