99. Check if the String Numeric or Alphabetic

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Code

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

void classify_string(const char *str) {
    // Your logic here
    int n=strlen(str);
    int alpha=0;
    int digit=0;
    int sym=0;
    for(int i=0; i<n; i++){
        if(str[i]>='0' && str[i]<='9'){
            digit++;
        }else if(str[i]>='a' && str[i]<='z'){
            alpha++;
        }else if(str[i]>='A' && str[i]<='Z'){
            alpha++;
        }else{
            sym++;
        }
    }
    if(digit>0 && (alpha==0 && sym==0)){
        printf("NUMERIC");
    }else if(alpha>0 && (digit==0 && sym==0)){
        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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