GTW likes math Accepts: 472 Submissions: 2140 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) 问题描述 某一天,GTW听了数学特级教师金龙鱼的课之后,开始做数学<从自主招生到竞赛>.然而书里的题目太多了,GTW还有很多事情要忙(比如把妹),于是他把那些题目交给了你.每一道题目会给你一个函数f(x)=ax2+bx+cf(x)=求这个函…

GTW likes math  Memory Limit: 131072/131072 K (Java/Others) 问题描述 某一天,GTW听了数学特级教师金龙鱼的课之后,开始做数学<从自主招生到竞赛>.然而书里的题目太多了,GTW还有很多事情要忙(比如把妹),于是他把那些题目交给了你.每一道题目会给你一个函数f(x)=ax^2+bx+cf(x)=ax​2​​+bx+c,求这个函数在整数区间[l,r][l,r]之间的最值. 输入描述 第一行一个整数T,表示数据组数.(T\leq 1000T…

GTW likes math  Accepts: 472  Submissions: 2140  Time Limit: 2000/1000 MS (Java/Others)  Memory Limit: 131072/131072 K (Java/Others) Problem Description After attending the class given by Jin Longyu, who is a specially-graded teacher of Mathematics,…

思路:直接暴力枚举区间[l,r]的整数值,然后max和min就可以了. AC代码: #pragma comment(linker, "/STACK:1024000000,1024000000") #include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<math.h> #include<algorithm> #inc…

题意: 问题描述 某一天,GTW听了数学特级教师金龙鱼的课之后,开始做数学<从自主招生到竞赛>.然而书里的题目太多了,GTW还有很多事情要忙(比如把妹),于是他把那些题目交给了你.每一道题目会给你一个函数f(x)=ax^2+bx+cf(x)=ax​2​​+bx+c,求这个函数在整数区间[l,r][l,r]之间的最值. 输入描述 第一行一个整数T,表示数据组数.(T\leq 1000T≤1000) 对于每一组数据,有一行,共五个整数a,b,c,l,r.(|a|\leq 100,|b|\leq 1…

GTW likes gt Accepts: 54 Submissions: 782 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) 从前,有nnn只萌萌的GT,他们分成了两组在一起玩游戏.他们会排列成一排,第iii只GT会随机得到一个能力值bib_ib​i​​.在第iii秒的时候,第iii只GT可以消灭掉所有排在他前面的和他不是同一组的且能力值小于他的GT.为了使游戏更加有趣,G…

GTW likes function      Memory Limit: 131072/131072 K (Java/Others) 问题描述 现在给出下列两个定义: f(x)=f_{0}(x)=\sum_{k=0}^{x}(-1)^{k}2^{2x-2k}C_{2x-k+1}^{k},f_{n}(x)=f(f_{n-1}(x))(n\geq 1)f(x)=f​0​​(x)=∑​k=0​x​​(−1)​k​​2​2x−2k​​C​2x−k+1​k​​,f​n​​(x)=f(f​n−1​​(x)…

GTW likes function 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5596 Description Now you are given two definitions as follows. f(x)=∑xk=0(−1)k22x−2kCk2x−k+1,f0(x)=f(x),fn(x)=f(fn−1(x))(n≥1) Note that φ(n) means Euler's totient function.(φ(n)is an…

GTW likes gt 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5596 Description Long long ago, there were n adorkable GT. Divided into two groups, they were playing games together, forming a column. The i−th GT would randomly get a value of ability bi.…

题目链接: GTW likes function Time Limit: 4000/2000 MS (Java/Others)     Memory Limit: 131072/131072 K (Java/Others) Problem Description   Now you are given two definitions as follows. f(x)=∑xk=0(−1)k22x−2kCk2x−k+1,f0(x)=f(x),fn(x)=f(fn−1(x))(n≥1) Note th…