luc073.c

Metadata

• Author — Amit Dutta
• Last updated — 08 Feb 2026
• License — MIT License (See the LICENSE file for details)

Problem Statement

Problem Statement

Write a program to delete all vowels from a sentence. Assume that the sentence is not more than 80 characters long.

Source Code

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

int main()
{
    char str[81], res[81];
    int i, j = 0;

    printf("Enter a sentence (max 80 chars): ");
    gets(str); // Note: gets is deprecated, but used here for simplicity as per classic C texts

    for (i = 0; str[i] != '\0'; i++)
    {
        char ch = tolower(str[i]);
        if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u')
        {
            // Skip vowel
            continue;
        }
        else
        {
            res[j] = str[i];
            j++;
        }
    }
    res[j] = '\0';

    printf("Sentence without vowels: %s\n", res);

    return 0;
}