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c語言程式設計不等分孔,C語言如何控制rand函數生成的數字機率不均等

[C] 純文字檢視 複制代碼#include

#include

#include

int main(int argc, char *argv[])

{

srand(time(NULL));

int array[] = {

0, 1, 2, 3, 4,

5, 6, 0, 1, 2,

0, 1, 2,

};

int random_num = rand()%14;

fprintf(stdout, "array[%d] = %d\n", random_num, array[random_num]);

switch (array[random_num]) {

case 0:

fprintf(stdout, "大吉\n");

break;

case 1:

fprintf(stdout, "中吉\n");

break;

case 2:

fprintf(stdout, "小吉\n");

break;

case 3:

fprintf(stdout, "吉\n");

break;

case 4:

fprintf(stdout, "末吉\n");

break;

case 5:

fprintf(stdout, "兇\n");

break;

case 6:

fprintf(stdout, "大兇\n");

break;

}

return 0;

}