🎯 TCS BPS Walk-In Drive For Freshers

#include<iostream>
#include<string>
#include<cmath>

using namespace std;

bool isVowel(char ch) {
    if(ch == 'a' ch == 'e' ch == 'i' ch == 'o' ch == 'u') {
        return true;
    }
    return false;
}

int main() {
    string Str;
    cin >> Str;

    string binaryString = "";
    for(char ch : Str) {
        if(isVowel(ch)) {
            binaryString += '0';
        } else {
            binaryString += '1';
        }
    }
    int decimalValue = 0;
    int n = binaryString.length();

    for(int i = 0; i < n; i++) {
        if(binaryString[i] == '1') {
            decimalValue += pow(2, n - i - 1);
        }
    }
    cout << decimalValue << endl;

    return 0;
}

Providence C++✅