What does %u mean in c language

In C language, %u represents an unsigned decimal number. It is used with the printf() or scanf() function to indicate that an unsigned decimal integer is to be printed or read.

What does %u mean in C language?

In C language, %u is a format specifier used to print unsigned decimal numbers.

Detailed description: The

• % symbol indicates the beginning of a format specifier.
• u indicates that an unsigned decimal integer is to be printed.
• %u is usually used with the printf() or scanf() function.

Example:

<code class="c">#include <stdio.h>

int main() {
    unsigned int number = 123;
    printf("无符号十进制数：%u\n", number);
    return 0;
}</code>

Output:

<code>无符号十进制数：123</code>

In this example:

• The printf() function uses the %u format specifier to print the unsigned decimal integer number.
• Unsigned decimal numbers are printed in decimal form and the result is 123.

It should be noted that %u will not print negative numbers. If you want to print signed decimal numbers, you should use the %d format specifier.

The above is the detailed content of What does %u mean in c language. For more information, please follow other related articles on the PHP Chinese website!