結果

問題 No.1390 Get together
ユーザー tenten
提出日時 2023-04-17 09:48:10
言語 Java
(openjdk 23)
結果
WA  
実行時間 -
コード長 2,179 bytes
コンパイル時間 4,077 ms
コンパイル使用メモリ 85,040 KB
実行使用メモリ 92,388 KB
最終ジャッジ日時 2024-10-12 12:02:35
合計ジャッジ時間 20,946 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 14 WA * 15
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int k = sc.nextInt();
HashMap<Integer, HashMap<Integer, Integer>> counts = new HashMap<>();
for (int i = 0; i < n; i++) {
int b = sc.nextInt();
int c = sc.nextInt();
if (!counts.containsKey(c)) {
counts.put(c, new HashMap<>());
}
counts.get(c).put(b, counts.get(c).getOrDefault(b, 0) + 1);
}
int ans = 0;
for (HashMap<Integer, Integer> tmp : counts.values()) {
int max = 0;
int total = 0;
for (int x : tmp.values()) {
max = Math.max(max, x);
total += x;
}
ans += total - max;
}
System.out.println(ans);
}
}
class Utilities {
static String arrayToLineString(Object[] arr) {
return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
}
static String arrayToLineString(int[] arr) {
return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public int[] nextIntArray() throws Exception {
return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
}
public String next() throws Exception {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0