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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int a, b;
  6.     int choice;
  7.  
  8.     cout << "Enter two integers: ";
  9.     cin >> a >> b;
  10.  
  11.     cout << "Choose operator category:\n";
  12.     cout << "1. Arithmetic\n";
  13.     cout << "2. Relational\n";
  14.     cout << "3. Logical\n";
  15.     cout << "4. Bitwise\n";
  16.     cout << "5. Assignment\n";
  17.     cout << "Enter choice (1-5): ";
  18.     cin >> choice;
  19.  
  20.     cout << "\n--- Results ---\n";
  21.  
  22.     switch(choice) {
  23.         case 1: // Arithmetic
  24.             cout << "a + b = " << (a + b) << endl;
  25.             cout << "a - b = " << (a - b) << endl;
  26.             cout << "a * b = " << (a * b) << endl;
  27.             if(b != 0) {
  28.                 cout << "a / b = " << (a / b) << endl;
  29.                 cout << "a % b = " << (a % b) << endl;
  30.             } else {
  31.                 cout << "Division/Modulo not possible (b=0)" << endl;
  32.             }
  33.             break;
  34.  
  35.         case 2: // Relational
  36.             cout << "a == b : " << (a == b) << endl;
  37.             cout << "a != b : " << (a != b) << endl;
  38.             cout << "a > b  : " << (a > b) << endl;
  39.             cout << "a < b  : " << (a < b) << endl;
  40.             cout << "a >= b : " << (a >= b) << endl;
  41.             cout << "a <= b : " << (a <= b) << endl;
  42.             break;
  43.  
  44.         case 3: // Logical
  45.             cout << "(a && b) : " << (a && b) << endl;
  46.             cout << "(a || b) : " << (a || b) << endl;
  47.             cout << "!(a)     : " << (!a) << endl;
  48.             cout << "!(b)     : " << (!b) << endl;
  49.             break;
  50.  
  51.         case 4: // Bitwise
  52.             cout << "a & b = " << (a & b) << endl;
  53.             cout << "a | b = " << (a | b) << endl;
  54.             cout << "a ^ b = " << (a ^ b) << endl;
  55.             cout << "~a    = " << (~a) << endl;
  56.             cout << "~b    = " << (~b) << endl;
  57.             cout << "a << 1 = " << (a << 1) << endl;
  58.             cout << "b >> 1 = " << (b >> 1) << endl;
  59.             break;
  60.  
  61.         case 5: // Assignment
  62.             {
  63.                 int x = a;
  64.                 cout << "x = a → " << x << endl;
  65.                 x += b; cout << "x += b → " << x << endl;
  66.                 x -= b; cout << "x -= b → " << x << endl;
  67.                 x *= b; cout << "x *= b → " << x << endl;
  68.                 if(b != 0) {
  69.                     x /= b; cout << "x /= b → " << x << endl;
  70.                     x %= b; cout << "x %= b → " << x << endl;
  71.                 }
  72.             }
  73.             break;
  74.  
  75.         default:
  76.             cout << "Invalid choice!" << endl;
  77.     }
  78.  
  79.     return 0;
  80. }
Success #stdin #stdout 0.01s 5284KB
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Enter two integers: Choose operator category:
1. Arithmetic
2. Relational
3. Logical
4. Bitwise
5. Assignment
Enter choice (1-5): 
--- Results ---
a + b = 13
a - b = 7
a * b = 30
a / b = 3
a % b = 1
https://ideone.com/9Vhn6E
language:
C++ (gcc 8.3)
created:
10 hours ago
visibility:
public

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