A prime number (or a prime) is a natural number greater than 11 that cannot be formed by multiplying two smaller natural numbers. Now lets define a number NN as the supreme number if and only if each number made up of an non-empty subsequence of all…

D.Made In Heaven One day in the jail, F·F invites Jolyne Kujo (JOJO in brief) to play tennis with her. However, Pucci the father somehow knows it and wants to stop her. There are NN spots in the jail and MM roads connecting some of the spots. JOJO fi…

Trace There's a beach in the first quadrant. And from time to time, there are sea waves. A wave ( xxx , yyy ) means the wave is a rectangle whose vertexes are ( 000 , 000 ), ( xxx , 000 ), ( 000 , yyy ), ( xxx , yyy ). Every time the wave will wash o…

Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, each book has its knowledge a[i]a[i]. Unfortunately, the longer he learns, the fewer he gets. That means, if he reads books from ll to rr, he will get a…

There's a beach in the first quadrant. And from time to time, there are sea waves. A wave ( xx , yy) means the wave is a rectangle whose vertexes are ( 00 , 00 ), ( xx , 00 ), ( 00 , yy ), ( xx , yy ). Every time the wave will wash out the trace of f…

Morgana is learning computer vision, and he likes cats, too. One day he wants to find the cat movement from a cat video. To do this, he extracts cat features in each frame. A cat feature is a two-dimension vector <xx, yy>. If x_ixi​ = x_jxj​and y_iy…

题意:找字串中最长回文串的最小值的串 m=2的时候暴力打表找规律,打表可以用二进制枚举…

题面:https://nanti.jisuanke.com/t/41408 题意:A,2,3,4,5,6,7,8,9,10,J,Q,K,13张牌,无花色之分,val为1~13. 给n个人名+n个牌,输出人名的ranklist 比较规则: 皇家顺最大 顺子第二,都是顺看最大牌的val 四条第三,先看四张相同牌的val,再看剩下那张牌的val 葫芦第四,先看三张相同牌的val,再看两张相同牌的val 三条第五,先看三张相同牌的val,再看剩下两张牌的val之和 两对第六,先看大的两张相同牌的val,…

#include<stdio.h> #include<string.h> #include<iostream> #include<math.h> #include<stdlib.h> #include<algorithm> using namespace std; #define N 500000 #define mod 1000000007 __int64 a[N], b[N], ans[N]; void Init() { int…

Supreme Number A prime number (or a prime) is a natural number greater than 11 that cannot be formed by multiplying two smaller natural numbers. Now lets define a number N as the supreme number if and only if each number made up of an non-empty subse…