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Jun 24th, 2019
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. bitset<1000000+10> bit;
  4. int a[100];
  5. int main(){
  6. int n;
  7. cin>>n;
  8. for(int i=0;i<n;i++){
  9. cin>>a[i];
  10. }
  11. int s;
  12. cin>>s;
  13. bit[0]=1;
  14. for(int i=0;i<n;i++){
  15. bit|=bit<<a[i];
  16. }
  17. if(bit[s]){
  18. cout<<"YES"<<endl;
  19. }
  20. else{
  21. cout<<"NO"<<endl;
  22. }
  23. }
  24.  
  25. #include<bits/stdc++.h>
  26. using namespace std;
  27. int main()
  28. {
  29. int t;cin>>t;
  30. while(t--){
  31. int n; cin>>n; int a[n+5];
  32. for(int i=0;i<n;i++) cin>>a[i];
  33. int s,i,j; cin>>s;
  34. for(i=0;i<(1<<n);i++){
  35. int x=0;
  36. for(j=0;j<n;j++){
  37. if(i & (1<<j)) x+=a[j];
  38. }
  39. if(x==s){
  40. cout<<"YESn"; break;
  41. }
  42. }
  43. if(i==(1<<n)) {cout<<"NOn";}
  44.  
  45. }
  46.  
  47. return 0;
  48. }
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