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  1. // If you are not sure what some lines of code do, try looking back at
  2. // previous example programs, notes, or ask a question.
  3.  
  4. #include <iostream>
  5.  
  6. using namespace std;
  7.  
  8. int main() {
  9.  
  10.    // These will all work as you expect
  11.    int int1 = 5 + 7;
  12.    int int2 = 5 - 7;
  13.    int int3 = 5 * 7;
  14.  
  15.    // This will evaluate to 0, as 5 / 7 is between 0 and 1
  16.    int int4 = 5 / 7;
  17.  
  18.    // This will evaluate to 2, as that is the remainder of
  19.    // 7 / 5
  20.    int mod1 = 7 % 5;
  21.  
  22.    // This will evaluate to 5, as 5 does not go into 7 at all,
  23.    // so the remainder is just the entire number.
  24.    int mod2 = 5 % 7;
  25.  
  26.    // This will evaluate to 30, as the multiplication is evaluated
  27.    // before the subtraction.
  28.    int order1 = 5 * 7 - 5;
  29.  
  30.    // This will evaluate to 3, as first the parenthesis is evaluated,
  31.    // giving 2, which is then multiplied by 5, giving 10, and finally
  32.    // modded with 7, giving a remainder of 3.
  33.    int order2 = (7 - 5) * 5 % 7;
  34.  
  35.    // After these two lines, the variable will hold the value 12, as it
  36.    // starts with 5, and 7 is added to itself.
  37.    int combine1 = 5;
  38.    combine1 += 7;
  39.  
  40.    // After these two lines, the variable will hold 14, as it starts with
  41.    // 7, and is multiplied by 7 - 5, or two.
  42.    int combine2 = 7;
  43.    combine2 *= 7 - 5;
  44.  
  45.    // After these two lines, the character will have been transformed to
  46.    // a 'g', as it was moved down 5 places.
  47.    char char1 = 'b';
  48.    char1 += 5;
  49.  
  50.    // After these two lines, the character will have been transformed from
  51.    // a lowercase e to an uppercase E, as mentioned in the notes.
  52.    char char2 = 'e';
  53.    char2 = char2 - 'a' + 'A';
  54.  
  55.  
  56.  
  57.    // Output results
  58.    cout << endl << "Integers:" << endl;
  59.    cout << "5 + 7 = " << int1 << endl;
  60.    cout << "5 - 7 = " << int2 << endl;
  61.    cout << "5 * 7 = " << int3 << endl;
  62.    cout << "5 / 7 = " << int4 << endl;
  63.  
  64.    cout << endl << "Modulo:" << endl;
  65.    cout << "7 % 5 = " << mod1 << endl;
  66.    cout << "5 % 7 = " << mod2 << endl;
  67.  
  68.    cout << endl << "Order of operations:" << endl;
  69.    cout << "5 * 7 - 5 = " << order1 << endl;
  70.    cout << "(7 - 5) * 5 % 7 = " << order2 << endl;
  71.  
  72.    cout << endl << "Combined assignment:" << endl;
  73.    cout << "5 += 7 = " << combine1 << endl;
  74.    cout << "5 *= 7 - 5 = " << combine2 << endl;
  75.  
  76.    cout << endl << "Character math:" << endl;
  77.    cout << "b + 5 = " << char1 << endl;
  78.    cout << "e - a + A = " << char2 << endl;
  79.  
  80.    // Hold the screen for the user
  81.    cout << endl;
  82.    system("pause");
  83.  
  84.    return 0;
  85. }
  86.  
Success #stdin #stdout #stderr 0s 3460KB
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stdin
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Standard input is empty
stdout
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Integers:
5 + 7 = 12
5 - 7 = -2
5 * 7 = 35
5 / 7 = 0

Modulo:
7 % 5 = 2
5 % 7 = 5

Order of operations:
5 * 7 - 5 = 30
(7 - 5) * 5 % 7 = 3

Combined assignment:
5 += 7 = 12
5 *= 7 - 5 = 14

Character math:
b + 5 = g
e - a + A = E
stderr
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sh: 1: pause: not found
https://ideone.com/lh9meG
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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