Question

How to format an integer with zero-padding in C++

Answer 1

#include <iostream>
#include <iomanip> // std::setw // std::setfill

int main() {
    int number = 319;

    // Format the integer with zero padding (e.g., 6 digits)
    std::cout << std::setfill('0') << std::setw(6) << number << std::endl;
}



/*
run:

000319

*/

 

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