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0017_Inherited_Code.cpp
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0017_Inherited_Code.cpp
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/*https://www.hackerrank.com/challenges/inherited-code/problem*/
#include <iostream>
#include <string>
#include <sstream>
#include <exception>
using namespace std;
class BadLengthException : public exception{
public :
BadLengthException(int n) : length{std::to_string(n)}{}
virtual const char* what() const throw(){
return length.c_str();
}
private:
const std::string length;
};
bool checkUsername(string username) {
bool isValid = true;
int n = username.length();
if(n < 5) {
throw BadLengthException(n);
}
for(int i = 0; i < n-1; i++) {
if(username[i] == 'w' && username[i+1] == 'w') {
isValid = false;
}
}
return isValid;
}
int main() {
int T; cin >> T;
while(T--) {
string username;
std::cin >> username;
try {
bool isValid = checkUsername(username);
if(isValid) {
std::cout << "Valid" << '\n';
} else {
std::cout << "Invalid" << '\n';
}
} catch (BadLengthException e) {
std::cout << "Too short: " << e.what() << '\n';
}
}
return 0;
}