Question

How to print part of a string with a reverse iterator in C++

Answer 1

#include <iostream>
#include <string>

int main() {
    std::string str = "c c++ java python";
    int n = 10;

    std::cout << std::string(str.rbegin() + n, str.rend()) << std::endl;
}



/*
run:

j ++c c

*/

 

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Answer 2

#include <iostream>
#include <string>

int main() {
    std::string str = "c c++ java python";
    int n = 6;

    std::cout << std::string(str.rbegin(), str.rend() - n) << std::endl;
}



/*
run:

nohtyp avaj

*/

 

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