Question

How to get characters that exists in a given two strings s1 and s2 in C++

Answer 1

#include <iostream>

int main() {
    std::string s1 = "azbdcdefghi";
    std::string s2 = "bxfqcmng";
    
    for (int i = 0; i < s1.size(); i++) {
        for (int j = 0; j < s2.size(); j++) {
            if (s1[i] == s2[j]) {
                std::cout << s1[i] << " ";
                break;
            }
        }
    }
}



/*
run:

b c f g 

*/

 

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