题解 | #下厨房#
下厨房
http://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
HashSet<String> set = new HashSet<>();
while(sc.hasNext()) {
set.add(sc.next());
}
System.out.println(set.size());
}
}
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