Question

How to check if a string is in alphabetical order in C++

Answer 1

#include <iostream>
 
bool isInAlphabeticalOrder(std::string s) { 
    for (int i = 0; i < s.length() - 1; i++) {
            if (s[i] >= s[i + 1]) {
                return false;
            }
    }
    return true;
} 
 
int main() {
    std::string s1 = "c++ java c";
    std::cout << isInAlphabeticalOrder(s1) << "\n";
     
    std::string s2 = "abcxyz";
    std::cout << isInAlphabeticalOrder(s2);
}
 
 
 
/*
run:
 
0
1
 
*/

 

70+ SQL courses for beginners and professionals