Program to Convert lower case to upper
#include <iostream> #include <conio.h> using namespace std; int main() { //Program to Convert lower case to upper int num; char ch; cout<<"press any letter either upper or lower ="; cin>>ch; num=ch; if(num>=65&&num<=90) { num=num+32; ch=num; cout<<"the lower case of your letter is ="<<ch; }else if(num>=96&&num<=122) { num=num-32; ch=num; cout<<"the upper case letter is ="<<ch; }else cout<<"your input in invalid please try again"; getch(); return 0; }