摘要：
题目：链接 Problem Description In China, foreign brand commodities are often much more expensive than abroad. The main reason is that we Chinese people ten 阅读全文
摘要：
题目链接 代码： 总结： 刚开始还以为只是ans[qq[i].index] = num[j] * (num[j] - 1)，结果WA，后来才发现这样计算虽然案例都符合但是是错的，如果案例过了，还WA，还真得考虑下是计算方面引起的错误。 阅读全文