What does 0x33 mean in c++

In C, 0x33 represents 51 in decimal and can be used to represent integers, characters, octal or hexadecimal values, depending on the numeric prefix.

The meaning of 0x33 in C

In C, 0x33 is an integer expressed in hexadecimal, etc. The value is 51 in decimal.

Meaning:

0x33 can represent the following in C:

• Integer: 51 in decimal
• Character: Represents the character "3" in ASCII code
• Octal: 43 in octal
• tens Hexadecimal: 33 in hexadecimal

Usage example:

<code class="cpp">// 将 0x33 作为整数使用
int x = 0x33;

// 将 0x33 作为字符使用
char c = 0x33;

// 将 0x33 作为八进制使用
int y = 0o43;

// 将 0x33 作为十六进制使用
int z = 0x33;</code>

Notes:

In C, the number prefix "0x" represents hexadecimal, "0o" represents octal, and "0b" represents binary.

So when 0x33 is used, the compiler interprets it as a hexadecimal integer. If you want to interpret it as another base, you need to use the corresponding number prefix.

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