cointest.c

书名:C语言科学与艺术,以前交钱下载的

/*
 * File: cointest.c
 * ----------------
 * This program simulates flipping a coin.
 */

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

/*
 * Constants
 * ---------
 * NTrials -- Number of trials
 */

#define NTrials 10

/* Main program */

main()
{
    int i;

    for (i = 0; i < NTrials; i++) {
        if (rand() <= RAND_MAX / 2) {
            printf("Heads\n");
        } else {
            printf("Tails\n");
        }
    }
}