Question

How to add a sequence of digits to a string in C++

Answer 1

#include <iostream>
#include <string>

void AddSequenceOfDigitsToString(std::string& str, int start, int end) {
    for (int n = start; n < end; ++n) {
        str += std::to_string(n);
    }
}

int main() {
    std::string str;

    AddSequenceOfDigitsToString(str, 3, 10);
    
    std::cout << str << std::endl;
}



/*
run:

3456789

*/

 

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