Convert Integer to String

Code

#include <stdio.h>
#include <string.h>

void print_integer_as_string(int num) {
    // Your logic here
    int flag = 0;
    if(num == 0){
        printf("0");
    }
    if(num < 0){
        num = -num;
        flag = 1;
    }
    char str[10];
    int i = 0;
    while(num > 0){
        str[i] = (num % 10) + '0';
        num /= 10;
        i++;
    }
    if(flag){
        str[i] = '-';
        i++;
    }
    str[i] = '\0';

    int left = 0;
    int right = strlen(str) - 1;
    while(left < right){
        char temp = str[left];
        str[left] = str[right];
        str[right] = temp;
        left++;
        right--;
    }

    i = 0;
    while(str[i] != '\0'){
        printf("%c ",str[i]);
        i++;
    }
}

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

Solving Approach

 

 

 

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Input

123

Expected Output

1 2 3