What is nested loop how to use it

Answer 1

A nested loop is a loop inside an other loop

You can find a really good explaination at https://www.tutorialspoint.com/cprogramming/c_nested_loops.htm .

Answer 2

thnk u

Answer 3

A nested loop is a loop within a loop.

for example:
for( int i = 0 ; i < 100 ; i++) {
for( int j = 1 ; j < 100 ; j++) {
// do something
}
}