95. Count Alphabets Digits and Symbols in a String

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

void classify_chars(const char *str, uint8_t *alpha, uint8_t *digit, uint8_t *symbol) {
    // Your logic here
    int n = strlen(str);
    int countA=0;
    int countd=0;
    int counts=0;
    for(int i=0; i<n; i++){
        if((str[i]>='A') && (str[i]<='Z')){
            countA++;
        }else if((str[i]>='a') && (str[i]<='z')){
            countA++;
        }else if((str[i]>= '0') && (str[i]<='9')){
            countd++;
        }else if(str[i] != ' '){
            counts++;
        }
    }
    *alpha=countA;
    *digit=countd;
    *symbol=counts;
}

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++;
    }

    uint8_t alpha = 0, digit = 0, symbol = 0;
    classify_chars(str, &alpha, &digit, &symbol);
    printf("Alphabets = %u\nDigits = %u\nSymbols = %u", alpha, digit, symbol);
    return 0;
}