RosettaCodeData/Task/Number-reversal-game/C++/number-reversal-game-3.cpp
2026-04-30 12:34:36 -04:00

61 lines
1.8 KiB
C++

// Written by Katsumi
// Compile with: g++ -std=c++20 -Wall -Wextra -pedantic NumberReversal.cpp -o NumberReversal
#include <iostream>
#include <algorithm>
#include <utility>
#include <functional>
#include <iterator>
#include <random>
#include <vector>
#include <string>
template <class T>
bool Sorted(std::vector<T> list) {
return std::adjacent_find(list.begin(), list.end(), std::greater<T>()) == list.end();
}
template <class T>
std::string VectorRepr(std::vector<T> list) {
auto Separate = [](std::string a, int b) {
return std::move(a) + ", " + std::to_string(b);
};
return std::accumulate(std::next(list.begin()), list.end(), std::to_string(list[0]), Separate);
}
int main() {
const std::string IntroText = "NUMBER REVERSAL GAME\n"
"based on a \"task\" on Rosetta Code -- rosettacode.org\n"
"by Katsumi \n\n";
// Don't ever write this s**tty code...
// std::srand(std::time(0));
// Do this instead:
std::random_device Device;
std::mt19937_64 Generator(Device());
std::vector<int> List = {1, 2, 3, 4, 5, 6, 7, 8, 9};
std::shuffle(List.begin(), List.end(), Generator);
std::cout << IntroText;
int Moves, PlayerInput;
while (!Sorted(List)) {
std::cout << "Current list: [" << VectorRepr(List) << "]\n"
"Digits to reverse? (2-9) ";
while (true) {
std::cin >> PlayerInput;
if (PlayerInput < 2 || PlayerInput > 9)
std::cout << "Please enter a value between 2 and 9.\n"
"Digits to reverse? (2-9) ";
else
break;
}
std::reverse(List.begin(), List.begin()+PlayerInput);
++Moves;
}
std::cout << "Yay! You sorted the list! You've made " << Moves << " moves.\n";
return 0;
}