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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define pb push_back
  5. #define ss 1e8+10
  6. vector<bool>isprime(ss);
  7. vector<ll>primes;
  8. void solve(){
  9.     for(ll i=2;i<=ss;i++) isprime[i]=true;
  10.     for(ll i=2;i*i<=ss;i++){
  11.         for(ll j=i*i;j<=ss;j+=i){
  12.             isprime[j]=false;
  13.         }
  14.     }
  15.     for(ll i=2;i<=ss;i++){
  16.         if(isprime[i]==true) primes.pb(i);
  17.     }
  18. }
  19. int main(){
  20.     solve();
  21.     ll t;cin>>t;
  22.     while(t--){
  23.         ll k;cin>>k;
  24.         cout<<primes[k-1]<<endl;
  25. 	}
  26.     return 0;
  27. }
Success #stdin #stdout 4.08s 82536KB
comments (?)
stdin
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7
1
10
100
1000
10000
100000
1000000
stdout
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2
29
541
7919
104729
1299709
15485863
https://ideone.com/sDgHwR
problem TDKPRIME, based on SPOJ submission 34652551 (C++ 4.3.2), 2025-05-28 14:21:03
language:
C++ 4.3.2 (gcc-4.3.2)
created:
1 day ago
visibility:
public

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