99. Check if the String Numeric or Alphabetic

#include <stdio.h>
#include <stdint.h>
#include <string.h>
void classify_string(const char *str) {
    // Your logic here
    int count = strlen(str),i = 0,j = 0;
    for(i=0; str[i] != '\0';i++)
    {
        if((str[i] >= 'a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z'))
        {
            j++;
        }
    }
    if(j==0)
    {
        printf("NUMERIC");
    }
    else if(j == count)
    {
        printf("ALPHABETIC");
    }
    else
    {
        printf("MIXED");
    }
}

int main() {
    char str[101];
    fgets(str, sizeof(str), stdin);

    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') {
            str[i] = '\0';
            break;
        }
        i++;
    }

    classify_string(str);
    return 0;
}