Understanding the goto statement in C/C++

Programming languages like C and C++ have a provision of jumping over statements unconditionally using the goto statement. Although the usage of goto statement is almost extinct, it is a handy tool in a programmer’s arsenal.

In this article, we will be going through the syntax and usage of the goto statement.

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C++ Tutorials - If Else Statement In C++

In this C++ Tutorial we are going to talk about If Else Statement in C++ . using conditional statement we can execute some section of the code according to a condition. and particularly in this article we make some examples of if else condition. using if statement you can control if a program enters a section of code or not based on whether a given condition is true or false.

Youtube channel: Parwiz Forogh - https://www.youtube.com/watch?v=R4UBRRUMbbE

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How to Run C/C++ in Sublime Text?

C and C++ are the most powerful programming language in the world. Most of the super fast and complex libraries and algorithms are written in C or C++. Most powerful Kernel programs are also written in C. So, there is no way to skip it.

In programming competitions, most programmers prefer to write code in C or C++. Tourist is considered the worlds top programming contestant of all ages who write code in C++.

During programming competitions, programmers prefer to use a lightweight editor to focus on coding and algorithm designing. Vim, Sublime Text, and Notepad++ are the most common editors for us. Apart from the competition, many software developers and professionals love to use Sublime Text just because of its flexibility.

I have discussed the steps we need to complete in this blog post before running a C/C++ code in Sublime Text. We will take the inputs from an input file and print outputs to an output file without using freopen file related functions in C/C++.

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Dicey Issues in C/C++

If you are familiar with C/C++then you must have come across some unusual things and if you haven’t, then you are about to. The below codes are checked twice before adding, so feel free to share this article with your friends. The following displays some of the issues:

1. Using multiple variables in the print function
2. Comparing Signed integer with unsigned integer
3. Putting a semicolon at the end of the loop statement
4. C preprocessor doesn’t need a semicolon
5. Size of the string matters
6. Macros and equations aren’t good friends
7. Never compare Floating data type with double data type
8. Arrays have a boundary
9. Character constants are different from string literals
10. Difference between single(=) and double(==) equal signs.

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The below code generates no error since a print function can take any number of inputs but creates a mismatch with the variables. The print function is used to display characters, strings, integers, float, octal, and hexadecimal values onto the output screen. The format specifier is used to display the value of a variable.

1. %d indicates Integer Format Specifier
2. %f indicates Float Format Specifier
3. %c indicates Character Format Specifier
4. %s indicates String Format Specifier
5. %u indicates Unsigned Integer Format Specifier
6. %ld indicates Long Int Format Specifier

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A signed integer is a 32-bit datum that encodes an integer in the range [-2147483648 to 2147483647]. An unsigned integer is a 32-bit datum that encodes a non-negative integer in the range [0 to 4294967295]. The signed integer is represented in twos-complement notation. In the below code the signed integer will be converted to the maximum unsigned integer then compared with the unsigned integer.

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C++ Crash Course - Switch Statement Example In C++

In this C++ Crash Course video iam going to talk about C++ Switch Statement Example , so switch statement is used when we have multiple conditions and we need to perform different action based on the condition. For example if we have different conditions and we want to execute a block of code based on certain condition. In that case we need to use switch statement. Also you can use else if condition, but it is good idea if you have multiple conditions you can use switch statement.

Youtube channel: Parwiz Forogh - https://www.youtube.com/watch?v=aSbhRy59XlI

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The Switch statement in C#

Switch is a multi-way selection statement that resolves an answer matching one or more values of a supplied variable. Its roots are a fundamental programming flow control statement.

The switch statement is often used as an alternative to an if-else construct. Switch becomes a logical choice when a single expression is tested against three or more conditions.

The statement uses a combination of different keywords: switch, case, default, break and when.

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