#include <stdio.h>
#include <stdlib.h>

int main(void) {
    int lives = 7;
    int questions = 20;
    int number_range = 10;
    int operator_range = 10;
    int num_right = 0;
    int counter = 1;
    char operators[] = {'+', '-', '*', '/', '%', '=', '<', '>', '<=', '>=', '!='};
    char question_visual[questions];
    char lives_visual[lives];

    for (int i = 0; i < questions; i++) {
        question_visual[i] = '-';
    }

    for (int i = 0; i < lives; i++) {
        lives_visual[i] = '+';
    }

    while (num_right <=20) {
        int num1 = rand() % number_range;
        int num2 = rand() % number_range;
        int operator = rand() % operator_range;
        int answer;
        int correct_answer;
        switch (operator) {
            case 0:
                correct_answer = num1 + num2;
                break;
            case 1:
                correct_answer = num1 - num2;
                break;
            case 2:
                correct_answer = num1 * num2;
                break;
            case 3:
                correct_answer = num1 / num2;
                break;
            case 4:
                correct_answer = num1 % num2;
                break;
            case 5:
                correct_answer = num1 == num2;
                break;
            case 6:
                correct_answer = num1 < num2;
                break;
            case 7:
                correct_answer = num1 > num2;
                break;
            case 8:
                correct_answer = num1 <= num2;
                break;
            case 9:
                correct_answer = num1 >= num2;
                break;
            case 10:
                correct_answer = num1 != num2;
                break;
        }
        printf("You have %d lives left\n", lives);
        printf("Question %d: What is %d %c %d?\n", counter ,num1, operators[operator], num2);
        scanf("%d", &answer);
        if (answer == correct_answer) {
            printf("Correct!\n");
            num_right++;
            question_visual[num_right] = '+';
        } else {
            printf("Incorrect!\nAnswer: %d", correct_answer);
            lives--;
            lives_visual[lives] = ' ';
        }
        if (lives == 0) {
            printf("Game Over!\n");
            break;
        }
        counter++;
    }

    printf("Questions: %s\nLives: %s\n", question_visual, lives_visual);

}