When a loop is written inside other loop, then the representation is know as the nesting of looping constructs. In this representation,the child loop is executed fully and then the control is transferred to its parent loop for the next repetition.

Example program:

#include<iostream.h>

#include<conio.h>

void main()

{

char ans=’y';

int x=1,y;

while(ans!=’n'||ans!=’N')

{

count<<”Enter repetions :”;

cin>>y;

while(x<=y)

{

cout<<x<<endl;

x++;

}

x=1;

cout<<endl<<”Continue (y/n) ?;

cin>>ans;

}

}

Output:

Enter repetitions :2

1

2

Continue (y/n) ? y

Enter repetitions :4

1

2

3

4

Continue (y/n) ? y

Enter repetitions :1

1

Continue (y/n) ? n

See also: For loop in C++

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Tagged as: Nesting of loops, Nesting of loops in C++, Nesting of loops in CPP, what is Nesting of loops, what is Nesting of loops in C++, what is Nesting of loops in CPP