这次的前三题挺简单的,可是我做的不快也不对. A. Bank Robbery time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A robber has attempted to rob a bank but failed to complete his task. However, he had managed to open…
老年人题解,语言python3 A - Bank Robbery 题意:给你ABC,以及n个数,问你在(B,C)之间的数有多少个. 题解:对于每个数判断一下就好了嘛 x,y,z = map(int,input().split()) n = int(input()) print(len(list(filter(lambda x:y<int(x) and z>int(x),input().split())))) B. Cutting Carrot 题意:给你一个高为h,底为1的等腰三角形,你需要平…
A题:从两个保安中间那钞票 #include <bits/stdc++.h> using namespace std; int main() { int a,b,c; scanf("%d%d%d",&a,&b,&c); int n; scanf("%d",&n); int pos; ; ;i<n;i++) { scanf("%d",&pos); if(pos>b&&p…
Codeforces Round #275 (Div. 1)A. Diverse Permutation Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/482/problem/A Description Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct posi…
D. Bear and Two Paths 题目连接: http://www.codeforces.com/contest/673/problem/D Description Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same p…
E. Goods transportation 题目连接: http://codeforces.com/contest/724/problem/E Description There are n cities located along the one-way road. Cities are numbered from 1 to n in the direction of the road. The i-th city had produced pi units of goods. No mo…
Codeforces Round #431 (Div. 2) A. Odds and Ends time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Where do odds begin, and where do they end? Where does hope emerge, and will they ever break…
Codeforces Round #539 (Div. 1) A. Sasha and a Bit of Relax description 给一个序列\(a_i\),求有多少长度为偶数的区间\([l,r]\)满足\([l,mid]\)的异或和等于\([mid+1,r]\)的异或和. solution 等价于询问有多少长度为偶数的区间异或和为\(0\). 只需要两个位置的异或前缀和与下标奇偶性相同即可组成一个合法区间. #include<cstdio> #include<algorith…
Codeforces Round #296 (Div. 1)C. Data Center Drama Time Limit: 2 Sec Memory Limit: 256 MBSubmit: xxx Solved: 2xx 题目连接 http://codeforces.com/contest/528/problem/C Description The project of a data center of a Big Software Company consists of n compu…
Codeforces Round #262 (Div. 2) 1003 C. Present time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little beaver is a beginner programmer, so informatics is his favorite subject. Soon his info…
Codeforces Round #262 (Div. 2) 1004 D. Little Victor and Set time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Victor adores the sets theory. Let us remind you that a set is a group of…
题意: 思路: Codeforces Round #370(Solved: 4 out of 5) A - Memory and Crow 题意:有一个序列,然后对每一个进行ai = bi - bi + 1 + bi + 2 - bi + 3.... 的操作,最后得到了a 序列,给定 a 序列,求原序列. 思路:水. #include <set> #include <map> #include <stack> #include <queue> #includ…