algorithms
백준 (BOJ)
(BOJ)백준 1152 (baekjoon 1152)
·
1152번: 단어의 개수
코드
import java.io.*;
import java.util.HashMap;
public class B1152 {
static HashMap<String, Integer> hm = new HashMap<>();
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
String in = br.readLine();
String ins[] = in.split(" ");
for (int i = 0; i < ins.length; i++) {
if (!ins[i].equals("")) {
if (hm.containsKey(ins[i])) {
hm.put(ins[i], hm.get(ins[i]) + 1);
}else {
hm.put(ins[i], 1);
}
}
}
int count = 0;
for (String key : hm.keySet()) {
count += hm.get(key);
}
bw.write(count + "\n");
bw.flush();bw.close();
}
}