99. Check if the String Numeric or Alphabetic

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Code

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

void classify_string(const char *str) {
    uint32_t i = 0;
    uint32_t n = 0;
    uint32_t a = 0;
    
    while(str[i] != '\0'){
        if((str[i]>='0') && (str[i]<='9')){
             i++;
             n++;
        }
        else if((str[i]>='A' && str[i]<='Z') || (str[i]>='a' && str[i]<='z')){
            i++;
            a++;
        }
            else{

                i++;
            }
        
    }
        if (i == n){

            printf("NUMERIC");
        }
            else if (i == a){

               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;
}

Solving Approach

 

 

 

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