[CF930E]/[CF944G]Coins Exhibition 题目地址: CF930E/CF944G 博客地址: [CF930E]/[CF944G]Coins Exhibition - skylee 题目大意: 一个长度为\(k(k\le10^9)\)的\(01\)串,给出\(n+m(n,m\le10^5)\)个约束条件,其中\(n\)条描述区间\([l_i,r_i]\)至少有一个\(0\),其中\(m\)条描述区间\([l_i,r_i]\)至少有一个\(1\).求合法的\(01\)串数量…

[CF944G]Coins Exhibition 题意:Jack去年参加了一个珍稀硬币的展览会.Jack记得一共有 $k$ 枚硬币,这些硬币排成一行,从左到右标号为 $1$ 到 $k$ ,每枚硬币是正面朝上的或是反面朝上的.但是Jack不记得每枚硬币具体是正面朝上还是反面朝上了.但是Jack隐约记得,在某些区间里,至少有一枚正面朝上的:以及在某些区间里,至少有一枚反面朝上的.现在Jack想知道,有多少种可能的硬币序列,满足他所记得的所有条件.两个序列被认为是不同的,当且仅当至少存在一个位置 $i…

题意:平面上一共有k个硬币(k<=1e9),给你n个区间这些区间中至少有一个硬币反面朝上,m个区间中至少有一个硬币正面朝上.问有多少种硬币放置方案?n,m<=100005. 标程: #include<bits/stdc++.h> using namespace std; ; ; typedef long long ll; struct node{int l,r;}a[N],b[N]; ],g[],f[N][],t; int ksm(int x,int y) { ; ) res=(l…

You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins. Given n, find the total number of full staircase rows that can be formed. n is a non-negative integer and fits within the range of…

 Gym 101047M Removing coins in Kem Kadrãn Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Practice Description standard input/output Andréh and his friend Andréas are board-game aficionados. They know many of their friend…

传送门 Description Hasan and Bahosain want to buy a new video game, they want to share the expenses. Hasan has a set of N coins and Bahosain has a set of M coins. The video game costs W JDs. Find the number of ways in which they can pay exactly W JDs su…

http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1119 1119: Collecting Coins Time Limit: 3 Sec  Memory Limit: 128 MBSubmit: 144  Solved: 35[Submit][Status][Web Board] Description In a maze of r rows and c columns, your task is to collect as many coin…

Description Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch in a nearby shop. He wanted to pay the exact price(without chang…

Square Coins Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7883    Accepted Submission(s): 5332 Problem Description People in Silverland use square coins. Not only they have square shapes but…

http://poj.org/problem?id=3260   Description Farmer John has gone to town to buy some farm supplies. Being a very efficient man, he always pays for his goods in such a way that the smallest number of coins changes hands, i.e., the number of coins he…