不像for和while循环,它们是在循环头部测试循环条件。在 C 语言中,do...while循环是在循环的尾部检查它的条件。 do...while循环与 while 循环类似,但是 do...while 循环会确保至少执行一次循环。 语法 C 语言中do...while循环的语法: do{statement(s);}while(condition); 请注意,条件表达式出现在循环的尾部,...
intmain() { intx; x = 0; do{ // "Hello, world!" is printed at least one time // even though the condition is false cout<<"Hello, world!\n"; }while( x != 0 ); cin.get(); } Previous: If Statements Next: Functions
C programming Looping (while, do while, for) programs – C solved programs. This section provides you solved c programs of C looping using for, while and do while.
手机码字其实最基础的循环是while，也就是while(condition){\\do something}这是循环的标准逻辑结构。do...
1. while Loop in C While loop executes the code until the condition is false. Syntax: while(condition){ //code } Example: #include<stdio.h> void main() { int i = 20; while( i <=20 ) { printf ("%d " , i ); i++; } } Output: 20...
A. Execute code once B. Execute code repeatedly C. Stop the program D. Define a variable 相关知识点: 试题来源: 解析 B。“while”在编程中是用来重复执行一段代码的,选项 A“Execute code once”是执行一次代码,选项 C“Stop the program”是停止程序,选项 D“Define a variable”是定义变量。反馈...
C programming has three types of loops. for loop while loop do...while loop In the previous tutorial, we learned about for loop. In this tutorial, we will learn about while and do..while loop. while loop The syntax of the while loop is: while (testExpression) { // the body of the...
while(i <5); Try it Yourself » Do not forget to increase the variable used in the condition (i++), otherwise the loop will never end! Condition is False from the Start Even if the condition is false from the start, the code block will still execute one time: ...
1. Awk While Loop Example: Create a string of a specific length $awk 'BEGIN { while (count++<50) string=string "x"; print string }' xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx The above example uses the ‘BEGIN { }’ special block that gets executed before anything else in an Aw...
while loop Flowchart Syntax while(test condition){ //code to be executed } If the test condition inside the () becomes true, the body of the loop executes else loop terminates without execution. The process repeats until the test condition becomes false. Example: while loop in C // ...