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…

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…

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…

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]…

Heap Partition Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge A sequence S = {s1, s2, ..., sn} is called heapable if there exists a binary tree T with n nodes such that every node is labelled with exactly one element from the se…

What Kind of Friends Are You? Time Limit: 1 Second      Memory Limit: 65536 KB Japari Park is a large zoo home to extant species, endangered species, extinct species, cryptids and some legendary creatures. Due to a mysterious substance known as Sands…

Seven Segment Display Time Limit: 1 Second      Memory Limit: 65536 KB A seven segment display, or seven segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix d…