99. Check if the String Numeric or Alphabetic

#include <stdio.h>
#include <stdint.h>

void classify_string(const char *str) {
    // Your logic here
    int i=0,k=0;
    while(str[i]!='\0'){
        if(str[i]>='0' && str[i]<='9'){
            k=k+0;
        }
        else if((str[i]>='A' && str[i]<='Z')||(str[i]>='a' && str[i]<='z')){
            k++;
        }
        i++;
    }
    if(k==0){
        printf("NUMERIC");
    }
    else if(k<i){
        printf("MIXED");

    }
    else printf("ALPHABETIC");
}

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;
}