String Traversal

Medium Pointers

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Problem Statement

Write a C++ program that traverses a C-style string or `std::string` using character pointers and counts vowels.

Input Format

A single word string S.

Output Format

Print the vowel count.

Constraints

1 <= Length <= 50

Sample Input

Education

Sample Output

Explanation

Iterates through string characters using pointer increments until null termination.

Starter Code

#include <iostream>
#include <string>
#include <cctype>

int main() {
    std::string s;
    if (std::cin >> s) {
        const char *ptr = s.c_str();
        // Write your code here using pointer traversal
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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