题解 | #下厨房#
下厨房
https://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
#include <iostream> using namespace std; #include "string" #include <map> int main() { string foodItem; map<string, string> item; while (cin >> foodItem) { // 注意 while 处理多个 case item[foodItem] = foodItem; } cout<<item.size(); } // 64 位输出请用 printf("%lld")