Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <bits/stdc++.h>
- #define pii pair<int,long long>
- using namespace std;
- int isprime[100000000];
- void esieve(){
- isprime[0] = 1;
- isprime[1] = 1;
- for(int i = 2;i <= 20000000;++i){
- if(!isprime[i]){
- for(int j = i * i;j <= 20000000;j+=i){
- isprime[j] = 1;
- }
- }
- }
- return;
- }
- int main(){
- //ios::sync_with_stdio(0);cin.tie(0);
- memset(isprime,0,sizeof(isprime));
- esieve();
- for(int i = 0;i < 10000;i++){
- if(!isprime[i]){
- cout << i << ' ';
- }
- }
- return 0;
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement