Description Give you a lot of positive integers, just to find out how many prime numbers there are. Input There are a lot of cases. In each case, there is an integer N representing the number of integers to find. Each integer won’t exceed 32-bit…
hdu2138 How many prime numbers #include <bits/stdc++.h> using namespace std; typedef long long ll; ll prime[] = {,,,,}; ll qmul(ll a, ll b, ll mod) { ll res = ; while (b) { ) res = (res+a)%mod; a = (a+a)%mod; b >>= ; } return res; } ll qpow(ll…
#include<iostream> #include<cmath> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; long long mul(long long a,long long n,long long mo){ ; while (n){ ) ans=(ans+a)%mo; a=(a+a)%mo; n/=; } return ans;…
Prime Test Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 29046 Accepted: 7342 Case Time Limit: 4000MS Description Given a big integer number, you are required to find out whether it's a prime number. Input The first line contains the…