数学能力严重退化，奇数项的和都不会求了。。 代码如下 #include<cstdio> #include<iostream> #include<cstring> #include<algorithm> using namespace std; const int M=1e9+7; long long pow4(int a,int b) { long long base=a,r=1

Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up is \frac{q}{p}(\frac{q}{p} \le \frac{1}{2})​p​​q​​(​p​​q​​≤​2​​1​​). The question is, when Bob tos

Bob has a not even coin, every time he tosses the coin, the probability that the coin’s front face up is qp (qp≤12) The question is, when Bob tosses the coin kk times, what’s the probability that the

传送门:  https://nanti.jisuanke.com/t/17115 Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up is \frac{q}{p}(\frac{q}{p} \le \frac{1}{2})​p​​q​​(​p​​q​

Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up isqp(qp≤12)\frac{q}{p}(\frac{q}{p} \le \frac{1}{2})​p​​q​​(​p​​q​​≤​2​​1​​). The question is, when

Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up is \frac{q}{p}(\frac{q}{p} \le \frac{1}{2})​p​​q​​(​p​​q​​≤​2​​1​​). The question is, when Bob tos

描述 As is known to all,if you throw a coin up and let it droped on the desk there are usually three results. Yes,just believe what I say ~it can be the right side or the other side or standing on the d

题目 Suppose there are 5 types of coins: 50-cent, 25-cent, 10-cent, 5-cent, and 1-cent. We want to make changes with these coins for a given amount of money. For example, if we have 11 cents, then we ca

Coin Test 时间限制：3000 ms  |  内存限制：65535 KB 难度：1 描述 As is known to all,if you throw a coin up and let it droped on the desk there are usually three results. Yes,just believe what I say ~it can be the rig

B - Factorial Yen Coin Time Limit: 2 sec Memory Limit: 1024 MB Score : 200 points Problem Statement The coins used in the Kingdom of Takahashi are 1 ! -yen coins, 2 ! -yen coins, … , and 10 ! -yen coi

#include <iostream> #include <unordered_map> #include <vector> #include <algorithm> using namespace std; struct cmp { bool operator()(const int& a, const int& b) { return a > b; } };

Coin Test 时间限制： 3000 ms  |  内存限制： 65535 KB 难度： 1 描述 As is known to all,if you throw a coin up and let it droped on the desk there are usually three results. Yes,just believe what I say ~it can be the

Toss is an important part of any event. When everything becomes equal toss is the ultimate decider. Normally a fair coin is used for Toss. A coin has two sides head(H) and tail(T). Superstition may wo

#include<stdio.h> int main() { int n,i,t,a=0,b=0,c=0,r,t1,a1; char s[655360]; scanf("%d",&n); getchar(); for(i=0;i<n;i++) { scanf("%c",&s[i]); } for(i=0;i<n;i++) { if(s[i]=='U') { a++; } if(s[i]=='D')

Coin-row problem 1000(ms) 65535(kb) 317 / 856 There is a row of n coins whose values are some positive integers c₁, c₂,...,cn, not necessarily distinct. The goal is to pick up the maximum amount of mo

转载: https://bitbucket.org/Coin3D/coin/wiki/BuildWithCMake   前提是，你已经安装了cmake，才适用此方法。 (1) hg clone https://bitbucket.org/Coin3D/coin coin (2) cmake -Hcoin -Bcoin_build -G "Unix Makefiles" -DCMAKE_INSTAL

时间限制：1秒  空间限制：65536K  热度指数：412  算法知识视频讲解 题目描述 The "Gold Bar"bank received information from reliable sources that in their last group of N coins exactly one coin is false and differs in weight from oth

False coin Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 22295   Accepted: 6256 Description The "Gold Bar"bank received information from reliable sources that in their last group of N c

Problem Description The "Gold Bar"bank received information from reliable sources that in their last group of N coins exactly one coin is false and differs in weight from other coins (while all other

Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up is q/p(q/p<=1/2)。The question is, when Bob tosses the coin kk times, what's the probability that t

Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of handing in the homework. If Ignatius hands in the homework after th

Coin Change Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 19678    Accepted Submission(s): 6879 Problem Description Suppose there are 5 types

 题目描述 设有n 种不同面值的硬币，各硬币的面值存于数组T［1:n］中。现要用这些面值的硬币来找钱。可以使用的各种面值的硬币个数存于数组Coins［1:n］中。 对于给定的1≤n≤10，硬币面值数组T和可以使用的各种面值的硬币个数数组Coins，以及钱数m，0≤m≤20001，编程计算找钱m的最少硬币数。 输入 第一行中只有1 个整数给出n的值,第2 行起每行2 个数，分别是T[j]和Coins

Coin Change Time Limit : 1000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) :    Accepted Submission(s) : Problem Description Suppose there are 5 types of coins: 5