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如何暴力计算??样例一直过不了....我用a[i]表示第i个色子有几面红色的,然后暴力 for (a[1]=0;a[1]<=6;a[1]++) for (a[2]=0;a[2]<=6;a[2]++) for (a[3]=0;a[3]<=6;a[3]++) for (a[4]=0;a[4]<=6;a[4]++) 把不满足p,q的情况剔除,然后对可能情况算一下当时的期望,并统计所有的可能情况数,最右 就是期望的和除以总的情况数. 这样做有问题吗,可行吗? 如果可行,就是我算的时候考虑错了. Followed by:
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