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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define int long long
  5. #define yes cout << "YES\n"
  6. #define no cout << "NO\n"
  7. #define el "\n"
  8. #define Arwa ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  9. #define fix(x) cout << fixed << setprecision(x)
  10. #define all(v) v.begin(), v.end()
  11.  
  12. void file()
  13. {
  14.     //#ifndef ONLINE_JUDGE
  15.         freopen("input.txt", "r", stdin);
  16.         freopen("output.txt", "w", stdout);
  17.     //#endif
  18. }
  19.  
  20. int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }
  21. int lcm(int a, int b) { return a / gcd(a, b) * b; }
  22. bool prime(int n) {
  23.     if (n == 2) return true;
  24.     if (n % 2 == 0 || n == 1) return false;
  25.     for (int i = 3; i * i <= n; i += 2)
  26.         if (n % i == 0) return false;
  27. }
  28. bool isPowerOf2(int n)
  29. {
  30.   return !(n&(n-1));
  31. }
  32. int32_t main()
  33. {
  34.     Arwa
  35.     int t=1;
  36.     //cin>>t;
  37.     while(t--)
  38.     {
  39.         int n,q;
  40.         cin>>n>>q;
  41.         while(q--)
  42.         {
  43.             int op;
  44.             cin>>op;
  45.             if(op==1)
  46.             n|=(n+1);
  47.             else if(op==2)
  48.             n&=(n-1);
  49.             else if(op==3)
  50.             {
  51.             if(n!=0)
  52.             n|=(n-1);
  53.             else n=-1;
  54.             }
  55.             else if(op==4)
  56.             n&=(n+1);
  57.             else if(op==5)
  58.             {
  59.                 if(isPowerOf2(n)&&n!=0)
  60.                 cout<<"is power of two"<<el;
  61.                 else 
  62.                 cout<<"not power of two"<<el;
  63.             }
  64.             if(op!=5)
  65.             cout<<n<<el;
  66.         }
  67.  
  68.     }
  69.         return 0;
  70. }
  71.  
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/bS73cw
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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