lucproblem003.c

Metadata

• Author — Amit Dutta (amitdutta4255@gmail.com)
• Last updated — 12 Dec 2025
• License — MIT

Problem Statement

Problem Statement

If a character is entered through the keyboard, Write a program to determine whether the character is a capital letter, a small case letter, a digit or a speacial symbol. The following table shows the range of ASCII values for various characters : Characters ASCII Values A - Z 65 - 90 a - z 97 - 122 0 - 9 48 - 57 special symbols 0 - 47, 58 - 64, 91 - 96, 123 - 127

Source Code

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#include <stdio.h>
int main()
{
    char inp;
    printf("Enter one character : ");
    scanf(" %c", &inp);
    if (inp >= 64 && inp <= 90)
        printf("\nInput '%c' is a CAPITAL LETTER.", inp);
    if (inp >= 97 && inp <= 122)
        printf("\nInput '%c' is a SMALL CASE LETTER.", inp);
    if (inp >= 48 && inp <= 57)
        printf("\nInput '%c' is a DIGIT.", inp);
    if (inp >= 0 && inp <= 47 || inp >= 58 && inp <= 64 
        || inp >= 91 && inp <= 96 || inp >= 123 && inp <= 127)
        printf("\nInput '%c' is a SPECIAL SYMBOL.", inp);
    return 0;
}