传送门 题意要你构造一个序列,使得该序列的每个位置上的最长上升子序列的长度能构成给定的序列. 构造序列的元素要求还要求满足给定的上下界 solution 我们可以把给出的最长上升子序列的长度按升序排列,长度相同的按下标降序排列. 排完序后第一个数可以贪心的取其下界,同一层(即长度相同)的下标小的取值应该大于等于下标较大的取值 同时取值应该大于前一层下标最大且小于该位置的数 #define IN_LB() freopen("F:\\in.txt","r",stdin)…

我是铁牌选手 这次比赛非常得爆炸,可以说体验极差,是这辈子自己最脑残的事情之一. 天时,地利,人和一样没有,而且自己早早地就想好了甩锅的套路. 按理说不开K就不会这么惨了啊,而且自己也是毒,不知道段错误也可以是MLE,而且我的内存就是卡了那么一点点,在比赛紧张的状态下人也变傻了吧. 这次的题目难度是两边到中间一次递增的,但是我也不懂榜怎么会那样  A Peak Time Limit: 1 Second      Memory Limit: 65536 KB A sequence of  inte…

Doki Doki Literature Club Time Limit: 1 Second      Memory Limit: 65536 KB Doki Doki Literature Club! is a visual novel developed by Team Salvato. The protagonist is invited by his childhood friend, Sayori, to join their high school's literature club…

ZOJ 4024 Peak 题意 给出n和n个数,判断该数列是否是凸形的. 解题思路 从前往后第一对逆序数,和从后往前第一队逆序数,如果都非零而且相邻,证明该数组是凸形的. 代码 #include <cstdio> + ; int a[maxn]; int main() { int T; scanf("%d", &T); while(T--) { int n; scanf("%d", &n); ; i < n; i++) { sca…

Lucky 7 Time Limit: 1 Second      Memory Limit: 65536 KB BaoBao has just found a positive integer sequence  of length  from his left pocket and another positive integer  from his right pocket. As number 7 is BaoBao's favorite number, he considers a p…

CONTINUE...? Time Limit: 1 Second      Memory Limit: 65536 KB      Special Judge DreamGrid has  classmates numbered from  to . Some of them are boys and the others are girls. Each classmate has some gems, and more specifically, the -th classmate has …

King of Karaoke Time Limit: 1 Second      Memory Limit: 65536 KB It's Karaoke time! DreamGrid is performing the song Powder Snow in the game King of Karaoke. The song performed by DreamGrid can be considered as an integer sequence , and the standard…

Peak Time Limit: 1 Second      Memory Limit: 65536 KB A sequence of  integers  is called a peak, if and only if there exists exactly one integer  such that , and  for all , and  for all . Given an integer sequence, please tell us if it's a peak or no…

#include <iostream> #include <algorithm> using namespace std; ; int a[maxn]; int main(){ int t; cin >> t; while(t--){ int n; cin >> n; string s; cin >> s; ; bool l = true; int i; ;i >= ;i -= ){ sum += *i+; if(l){ '){ a[i]…

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5503 The 12th Zhejiang Provincial Collegiate Programming Contest - K Capture the Flag Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge In computer security, Capture…