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true. Otherwise, the program will stop
executing. This means within IF…THEN
statement, other options are ignored.
YES Condition
The following is the syntax of IF…. Chapter Four: Object oriented programming with C++
FOR ONLINE READING ONLY
THEN statement.
Statement(s)
If(condition) NO
{
statements;
}
Figure 4.38 shows the execution
flowchart of IF….THEN statement. Figure 4.38: IF…THEN flowchart
The following code in Program Example 4.20 shows how you can write a program
to find average pass mark of the students to join form five PMC by using ‘If…Then’,
the output is shown in Figure 4.39.
Program Example 4.20:
Using ‘If …Then’
#include<iostream>
using namespace std;
int main()
{
int averageMark;
cout<<”Enter marks of the student: “;
cin>>averageMark;
if(averageMark>=70)
{
cout<<”You have been selected to join form 5 PMC”<<endl;
}
return 0;
}
Output:
Figure 4.39: Output of program for marks
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Student’s Book Form Five
Computer Science Form 5.indd 261 23/07/2024 12:34
