Program Flowchart Drawing Review

1, the Role of program flowchart

Program flowchart of the Action Program flowchart of the role of program flowchart is a description of the method, idea or algorithm to solve the problem.

Advantages of Flowchart:

(a) The use of simple symbols, simple descriptive;

(b) Clear structure and strong logic;

(c) Easy to describe and easy to understand.

2, the flowchart uses the symbol

Three cycles of flowchart drawing:

The three commonly used loops in C programming are for (;;), while and Do-while.

1. For loop

For loop form: for (expression 1; expression 2; expression 3)

Flow chart:

Figure 1 For Loop flowchart

2. While loop

While loop form:

while (judging condition)

{

Execute the statement;

}

Flow chart:

Figure 2 While loop flowchart

3. Do-while Cycle

Do-while Cycle form:

Do
{

Execute the statement;

}while (conditional judgment)

Do-while Cycle Flowchart:

Figure 3 Do-while Cycle flowchart

Program Flowchart Drawing Review