输入:
["Shogun", "Tapioca Express", "Burger King", "KFC"]
["Piatti", "The Grill at Torrey Pines", "Hungry...Hunter Steakhouse", "Shogun"]
输出: ["Shogun"]
解释: 他们唯一共同喜爱的餐厅是“Shogun”。...示例 2:
输入:
["Shogun", "Tapioca Express", "Burger King", "KFC"]
["KFC", "Shogun", "Burger King"]
输出...: ["Shogun"]
解释: 他们共同喜爱且具有最小索引和的餐厅是“Shogun”,它有最小的索引和1(0+1)。