/*
 * Copyright (C) 2024  Tristan Riehs
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

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

static int lower = 0;
static int upper = 100;

/* Return a random number x such that lower <= x < upper. */
int
calculer_rand()
{
	return lower + rand()%(upper-lower);
}

int
main(void)
{
	char prompt[31] = {0};
	int x, y, res;
	char *input;

	while (1)
	{
		x = calculer_rand();
		y = calculer_rand();
		res = x+y;
		sprintf(prompt, "%d + %d = ", x, y);
		input = readline(prompt);

		if (atoi(input) == res)
			printf("RIGHT\n");
		else
			printf("WRONG\n");
	}

	return 0;
}