HDU 2012 素数判定 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 72727 Accepted Submission(s): 25323 Problem Description 对于表达式n^2+n+41,当n在(x,y)范围内取整数值时(包括x,y)(-39<=x<y<=50),判定该表达式的值是否都为素数.…
N! Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 64256 Accepted Submission(s): 18286 Problem Description Given an integer N(0 ≤ N ≤ 10000), your task is to calculate N! Input One N in…
http://acm.hdu.edu.cn/showproblem.php?pid=4464 现场赛总会有水题,这就是最水的一道,预计也就是能当高校的上机题,保研用,呵呵~~~ #include <cstdio> #include <cstring> #include <iostream> using namespace std; #define ll long long const int MAXN= 100+20; char s[MAXN]; int main()…
E - 5 Time Limit:1500MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5391 Description Tina Town is a friendly place. People there care about each other. Tina has a ball called zball. Zball is magic. It grows…