掷骰子统计各个面出现的次数调用函数实现使用全局变量

最新推荐文章于 2022-12-26 20:57:08 发布

Marcus_Liew

最新推荐文章于 2022-12-26 20:57:08 发布

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分类专栏： C/C++

本文链接：https://blog.youkuaiyun.com/songzhulikesleep/article/details/20557559

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本文介绍了一个使用C语言编写的简单程序，该程序能够模拟多次投掷六面骰子的过程，并统计每种点数出现的频率。通过随机数生成模拟实际投掷情况，最后输出各点数出现次数。

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

/* declaration and initialize globe variable */
int FREQUENCY1 = 0;
int FREQUENCY2 = 0;
int FREQUENCY3 = 0;
int FREQUENCY4 = 0;
int FREQUENCY5 = 0;
int FREQUENCY6 = 0;

/* function prototype */
int statistic(int);

int main(){
    int i_times;/* declaration the throw times */
    int i_tmp;/* storage the result */
    /* prompt */
    printf("Enter the time of throw the dice: ");
    scanf("%d", &i_times);
    /* throw the dice */
    while(i_times){
        i_tmp = 1 + rand() % 6;/* 6 is the zoom factor, make sure the result between 0~5*/
        statistic(i_tmp);/* call the function to statistic the frequency */
        i_times--;
    }
    /* output the result */
    printf("The 1 appear %d times;\n", FREQUENCY1);
    printf("The 2 appear %d times;\n", FREQUENCY2);
    printf("The 3 appear %d times;\n", FREQUENCY3);
    printf("The 4 appear %d times;\n", FREQUENCY4);
    printf("The 5 appear %d times;\n", FREQUENCY5);
    printf("The 6 appear %d times;\n", FREQUENCY6);

    return 0;
}

/* definition the function */
int statistic(int result)
{
    switch(result){
        case 1:
            FREQUENCY1++;
            break;
        case 2:
            FREQUENCY2++;
            break;
        case 3:
            FREQUENCY3++;
            break;
        case 4:
            FREQUENCY4++;
            break;
        case 5:
            FREQUENCY5++;
            break;
        case 6:
            FREQUENCY6++;
            break;
    }
    return 0;
}