A【穷举】万钱买万鸡1426B【穷举】装牛奶1113C【穷举】rsss1519D【穷举】公约数公倍数211E【穷举】分数拆分716F【穷举】回文素数04G【穷举】残缺不全的乘式01H【穷举】sumx513