Chapter 2: Problem 27

include iostream using namespace std; int… # There are a number of syntax errors in the following program. Locate as many as you can. / What's wrong with this program? / #include iostream using namespace std; int main(); } int a, b, c\\\ Three integers a = 3 b = 4 c = a + b Cout < "The value of c is %d" < C; return 0; {

Short Answer

Expert verified

What's wrong with this program? #Include < Iostream> int a = 3, b = 4, C int main(); { C = a + b Cout < "The value of % C is"; ``` Answer: The given code has multiple errors, including incorrect comments, incorrect preprocessor directive, misplaced brackets, missing semicolons, incorrect assignment statements, and incorrect usage of the output stream. The corrected version of the code should look like this: ```cpp // What's wrong with this program? #include using namespace std; int main() { int a = 3, b = 4, c; c = a + b; cout << "The value of c is " << c << endl; return 0; } ```

Step by step solution

Correcting the comment syntax

The comment syntax is incorrect; it should be like this: ```cpp // What's wrong with this program? ```

Using the correct preprocessor directive

The given preprocessor directive is incorrect; it should be like this: ```cpp #include ```

Correcting the main() function's structure and bracket

The main() function begins and ends with a "{" and "}" respectively, not a ";" and "}". Correct this as: ```cpp int main() { // The code goes here } ```

Defining and initializing the variables inside the main() function

The variables a, b, and c should be defined and initialized inside the main() function, not before the main() function. Add semicolons after each statement: ```cpp int main() { int a = 3, b = 4, c; // The code goes here } ```

Correcting the assignment statement for variable c

Add a semicolon after the assignment statement for the variable c: ```cpp c = a + b; ```

Correcting the output statement

Replace Cout with cout, use the correct insertion operator (<<) instead of (<), and replace the "percent" placeholder with the appropriate I/O format specifier. Also, correct the variable C to c: ```cpp cout << "The value of c is " << c; ```

Adding return statement and endl

Add 'return 0;' at the end of the main function and include a newline character ('\n') or 'endl' to start a new line after the output: ```cpp cout << "The value of c is " << c << endl; return 0; ```

Final corrected code

The final code after correcting all the errors should look like this: ```cpp // What's wrong with this program? #include using namespace std; int main() { int a = 3, b = 4, c; c = a + b; cout << "The value of c is " << c << endl; return 0; } ```

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Short Answer

Step by step solution

Correcting the comment syntax

Using the correct preprocessor directive

Correcting the main() function's structure and bracket

Defining and initializing the variables inside the main() function

Correcting the assignment statement for variable c

Correcting the output statement

Adding return statement and endl

Final corrected code

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