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_2751.java
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66 lines (62 loc) ยท 1.45 KB
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package backjoon;
// https://www.acmicpc.net/problem/2751
// ์ ์ ๋ ฌํ๊ธฐ 2
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
// 2750 ์ ์ ๋ ฌํ๊ธฐ ๋ฐฉ์์ธ Arrays.sort()๋ก ํ๋ฉด ์๊ฐ์ด๊ณผ๊ฐ ๋๋ค.
public class _2751 {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
// sol1 ์๊ฐ์ด๊ณผ๋ก ์คํจ
/*
// ๋ฐฐ์ด์ ์ค๋ฆ์ฐจ์์ผ๋ก ์ซ์ ๋ฃ๊ธฐ
int[] arr = new int[N];
arr[0] = Integer.parseInt(br.readLine());
for(int i=1; i<N; i++){
int n = Integer.parseInt(br.readLine());
if(n < arr[i-1]){
arr[i] = arr[i-1];
arr[i-1] = n;
}
}
// ์ถ๋ ฅ
for(int n : arr){
System.out.println(n);
}
*/
// sol2 System.out.println์ผ๋ก ์ถ๋ ฅํ๋ฉด ์๊ฐ์ด๊ณผ ๋ฐ์ -> StringBuilder ์ฌ์ฉ
// memory 160156 runtime 1396
StringBuilder sb = new StringBuilder();
// ๋ฆฌ์คํธ์ ์ซ์๋ฃ๊ธฐ
ArrayList<Integer> list = new ArrayList<>();
for(int i = 0; i < N; i++) {
list.add(Integer.parseInt(br.readLine()));
}
// ์ค๋ฆ์ฐจ์ ์ ๋ ฌ
Collections.sort(list);
// ์ถ๋ ฅ
for(int value : list) {
sb.append(value).append('\n');
}
System.out.println(sb);
}
}
/*
input
5
5
2
3
4
1
output
1
2
3
4
5
*/