entrada de numeros

#include <iostream>
#include <vector>
#include <string>
#include <raylib.h>

using namespace std;

int main() {
    vector<int> arr;

    SetTargetFPS(60);
    InitWindow(1000, 600, "teste");

    int numero = 0;
    int digit = 0;

    while (!WindowShouldClose()) {


        if (IsKeyPressed(KEY_ENTER)) {
            arr.push_back(numero);
            numero = 0;
        } else if (IsKeyDown(KEY_ZERO)) {

            arr.clear();
        } else if (IsKeyPressed(KEY_BACKSPACE)) {

            if (numero > 0) {
                numero /= 10;
            }
        } else if (IsKeyDown(KEY_ONE) || IsKeyDown(KEY_TWO) || IsKeyDown(KEY_THREE) || IsKeyDown(KEY_FOUR) || IsKeyDown(KEY_FIVE) ||
                   IsKeyDown(KEY_SIX) || IsKeyDown(KEY_SEVEN) || IsKeyDown(KEY_EIGHT) || IsKeyDown(KEY_NINE)) {


            if (IsKeyDown(KEY_ONE)) digit = 1;
            else if (IsKeyDown(KEY_TWO)) digit = 2;
            else if (IsKeyDown(KEY_THREE)) digit = 3;
            else if (IsKeyDown(KEY_FOUR)) digit = 4;
            else if (IsKeyDown(KEY_FIVE)) digit = 5;
            else if (IsKeyDown(KEY_SIX)) digit = 6;
            else if (IsKeyDown(KEY_SEVEN)) digit = 7;
            else if (IsKeyDown(KEY_EIGHT)) digit = 8;
            else if (IsKeyDown(KEY_NINE)) digit = 9;


            numero = numero * 10 + digit;
            WaitTime(0.2);
        }


        int yOffset = 40;

        BeginDrawing();
        ClearBackground(BLACK);

        // Exibe instruções na tela
        DrawText("Digite um número (0 para ordenar): ", 10, 10, 20, WHITE);


        for (size_t i = 0; i < arr.size(); ++i) {
            DrawText(to_string(arr[i]).c_str(), 10, 10 + yOffset * (i + 1), 20, WHITE);
        }


        DrawText(to_string(numero).c_str(), 10, 10 + yOffset * (arr.size() + 1), 20, WHITE);

        EndDrawing();
    }

    CloseWindow();

    return 0;
}