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  1. #include <iostream>
  2. using namespace std;
  3. int n,arr[100000500],l=1,prime[100000500];
  4. bool v[100000500];
  5. void init(int n){
  6. 	v[0]=v[1]=true;
  7. 	int cnt=0;
  8. 	for(int i=2;i<=100000000;i++){
  9. 		if(!v[i]) prime[++cnt]=i;
  10. 		for(int j=1;j<=cnt&&i*prime[j]<=100000000;j++){
  11. 			v[prime[j]*i]=true;
  12. 			if(i%prime[j]==0) break;
  13. 		}
  14. 	}
  15. 	for(int i=1;i<=100000000;i++){
  16. 		if(v[i]==0){
  17. 			arr[l]=i;
  18. 			l++;
  19. 		} 
  20. 	}
  21. }
  22. int main(){
  23. 	int n,q,k;
  24. 	init(n);
  25. 	cin>>n>>q;
  26. 	for(int i=1;i<=q;i++){
  27. 		cin>>k;
  28. 		cout<<arr[k]<<"\n";
  29. 	}
  30. 	return 0;
  31. }
  32. /*
  33. v[0]=v[1]=true;
  34. for(int i=2;i<=n;i++){
  35. 	if(!v[i]) prime[++cnt]=i;
  36. 	for(int j=1;j<=cnt&&i*prime[j]<=n;j++){
  37. 		v[prime[j]*i]=true;
  38. 		if(i%prime[j]==0) break;
  39. 	}
  40. }
  41. */
Success #stdin #stdout 0.72s 148756KB
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https://ideone.com/mzdvi3
language:
C++ (gcc 8.3)
created:
23 hours ago
visibility:
public

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