Question

How to convert integer to char array in C++

Answer 1

#include <iostream>
#include <cstring>

int main() {
    int num = 890347;
    char buf[32] = "";
  
    std::sprintf(buf, "%d", num);
      
    std::cout << buf << std::endl;
      
    for (int i = 0; buf[i] != '\0'; i++) {
        std::cout << buf[i] << ", ";
    }
    
    std::cout << std::endl;
}


 
/*
run:
 
890347
8, 9, 0, 3, 4, 7, 
 
*/
 

 

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