結果

問題 No.275 中央値を求めよ
ユーザー a3636takoa3636tako
提出日時 2016-07-22 18:33:17
言語 Java
(openjdk 23)
結果
AC  
実行時間 59 ms / 1,000 ms
コード長 2,247 bytes
コンパイル時間 2,753 ms
コンパイル使用メモリ 78,428 KB
実行使用メモリ 37,164 KB
最終ジャッジ日時 2024-06-24 23:58:15
合計ジャッジ時間 6,065 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
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 * 38
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.*;
public class Main{
public void solve(){
int N = nextInt();
int[] A = new int[N];
for(int i = 0; i < N; i++){
A[i] = nextInt();
}
Arrays.sort(A);
if(N % 2 == 0){
out.println((A[N / 2] + A[N / 2 - 1]) / 2.0);
}else{
out.println(A[N / 2]);
}
}
public boolean check(String str, int idx){
if(idx + 3 >= str.length()) return false;
if(str.charAt(idx) != 'i') return false;
if(str.charAt(idx + 1) != 'w') return false;
if(str.charAt(idx + 2) != 'i') return false;
return true;
}
private static PrintWriter out;
public static void main(String[] args){
out = new PrintWriter(System.out);
new Main().solve();
out.flush();
}
public static int nextInt(){
int num = 0;
String str = next();
boolean minus = false;
int i = 0;
if(str.charAt(0) == '-'){
minus = true;
i++;
}
int len = str.length();
for(;i < len; i++){
char c = str.charAt(i);
if(!('0' <= c && c <= '9')) throw new RuntimeException();
num = num * 10 + (c - '0');
}
return minus ? -num : num;
}
public static long nextLong(){
long num = 0;
String str = next();
boolean minus = false;
int i = 0;
if(str.charAt(0) == '-'){
minus = true;
i++;
}
int len = str.length();
for(;i < len; i++){
char c = str.charAt(i);
if(!('0' <= c && c <= '9')) throw new RuntimeException();
num = num * 10l + (c - '0');
}
return minus ? -num : num;
}
public static String next(){
int c;
while(!isAlNum(c = read())){}
StringBuilder build = new StringBuilder();
build.append((char)c);
while(isAlNum(c = read())){
build.append((char)c);
}
return build.toString();
}
private static byte[] inputBuffer = new byte[1024];
private static int bufferLength = 0;
private static int bufferIndex = 0;
private static int read(){
if(bufferLength < 0) throw new RuntimeException();
if(bufferIndex >= bufferLength){
try{
bufferLength = System.in.read(inputBuffer);
bufferIndex = 0;
}catch(IOException e){
throw new RuntimeException(e);
}
if(bufferLength <= 0) return (bufferLength = -1);
}
return inputBuffer[bufferIndex++];
}
private static boolean isAlNum(int c){
return '!' <= c && c <= '~';
}
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0