Convert Integer to String

Code

#include <stdio.h>

void print_integer_as_string(int num) {
    // Your logic here
    if(num==0) printf("%d",0);

    char res[100];
    int i=0;
    int size=0;
    int flag=0;

    if(num<0)
    {
        //res[i++]='-';
        //size++;
        num*=-1;
        flag=1;
    }

    while(num>0)
    {
        res[i++]=num%10+'0';
        num/=10;
        size++;
    }
    
    if(flag==1) printf("- ");
    for(int i=size-1;i>=0;i-- )
    printf("%c ",res[i]);
}

int main() {
    int num;
    scanf("%d", &num);
    print_integer_as_string(num);
    return 0;
}

Solving Approach