Driven Program
int main ( ) { char str [ ] = " geeksforgeeks " ; int n = strlen ( str ) ; qType1 ( 4 , ' g ' , str ) ; qType2 ( 1 , 4 , str ) ; qType2 ( 2 , 3 , str ) ; qType1 ( 10 , ' t ' , str ) ; qType2 ( 10 , 11 , str ) ; return 0 ; }