http://www.cnblogs.com/wenruo/p/5176375.html A. Wet Shark and Odd and Even 题意:输入n个数,选择其中任意个数,使和最大且为奇数. 题解:算出所有数的和,如果奇数的个数为奇数个,则减去最小的奇数,否则不用处理. #include <bits/stdc++.h> using namespace std; #define PI acos(-1.0) #define EXP exp(1.0) #define ESP 1E-6…
Codeforces Round #279 (Div. 2) 做得我都变绿了! Problems # Name A Team Olympiad standard input/output 1 s, 256 MB x2377 B Queue standard input/output 2 s, 256 MB x1250 C Hacking Cypher standard input/output 1 s, 256 MB x740 D Chocolate standard in…
题目链接: http://codeforces.com/problemset/problem/621/E E. Wet Shark and Blocks time limit per test2 secondsmemory limit per test256 megabytes 问题描述 There are b blocks of digits. Each one consisting of the same n digits, which are given to you in the inp…
D. Rat Kwesh and Cheese 题目连接: http://www.codeforces.com/contest/621/problem/D Description Wet Shark asked Rat Kwesh to generate three positive real numbers x, y and z, from 0.1 to 200.0, inclusive. Wet Krash wants to impress Wet Shark, so all generat…
Problems # Name A Infinite Sequence standard input/output 1 s, 256 MB x3509 B Restoring Painting standard input/output 1 s, 256 MB x2519 C Money Transfers standard input/output 1 s, 256 MB x724 D Tree Construction standard input/outp…
在家都变的懒惰了,好久没写题解了,补补CF 模拟 A - Wet Shark and Odd and Even #include <bits/stdc++.h> typedef long long ll; const int N = 1e5 + 5; const int INF = 0x3f3f3f3f; int main(void) { std::vector<int> vec; int n; scanf ("%d", &n); ll sum = 0;…
A - The New Year: Meeting Friends 水 #include<iostream> #include<algorithm> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; cout<<max(a,max(b,c)) - min(a,min(b,c)) <<endl; ; } B - Text Document Analysis…
A. Insomnia cure 哎 只能说英语太差,一眼题我看了三分钟. 题意:给5个数k, l, m, n 和 d,求1~d中能被k, l, m, n 至少一个整除的数的个数. 题解:…… 代码: #include <iostream> using namespace std; int main() { int a, b, c, d, n; cin >> a >> b >> c >> d >> n; ; ; i <= n;…
A. Two Substrings 题意:给一个字符串,求是否含有不重叠的子串"AB"和"BA",长度1e5. 题解:看起来很简单,但是一直错,各种考虑不周全,最后只能很蠢的暴力,把所有的AB和BA的位置求出来,能有一对AB和BA不重叠即可. #include <bits/stdc++.h> using namespace std; ]; vector<int> ab; vector<int> ba; int main() { w…
A. Aramic script time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output In Aramic language words can only represent objects. Words in Aramic have special properties: A word is a root if it does no…
C. Mike and Chocolate Thieves time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Bad news came to Mike's village, some thieves stole a bunch of chocolates from the local factory! Horrible! As…
B. Wet Shark and Bishops time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Today, Wet Shark is given n bishops on a 1000 by 1000 grid. Both rows and columns of the grid are numbered from 1 t…
A. Wet Shark and Odd and Even time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Today, Wet Shark is given n integers. Using any of these integers no more than once, Wet Shark wants to get ma…
Codeforces Round #383 (Div. 2) A. Arpa's hard exam and Mehrdad's naive cheat 题意 求1378^n mod 10 题解 直接快速幂 代码 #include<bits/stdc++.h> using namespace std; long long quickpow(long long m,long long n,long long k) { long long b = 1; while (n > 0) { if…
Codeforces Round #366 (Div. 2) A I hate that I love that I hate it水题 #I hate that I love that I hate it n = int(raw_input()) s = "" a = ["I hate that ","I love that ", "I hate it","I love it"] for i in ran…
Codeforces Round #354 (Div. 2) Problems # Name A Nicholas and Permutation standard input/output 1 s, 256 MB x3384 B Pyramid of Glasses standard input/output 1 s, 256 MB x1462 C Vasya and String standard input/output 1 s, 256 MB x1393…