Question

How to get the first N characters of a string in C++

Answer 1

#include <iostream>
#include <string>

int main() {
    std::string s = "c++ programming";
    int N = 6;

    std::string first_n_char = s.length() > N ? s.substr(0, N) : "";

    std::cout << first_n_char;
}



/*
run:

c++ pr

*/

 

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