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_11399.java
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45 lines (34 loc) ยท 1.05 KB
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package backjoon;
// https://www.acmicpc.net/problem/11399
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;
public class _11399 {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
StringTokenizer st = new StringTokenizer(br.readLine(), " ");
int[] arr = new int[N];
for(int i = 0; i < N; i++) {
arr[i] = Integer.parseInt(st.nextToken());
}
// ์ ๋ ฌ
Arrays.sort(arr);
int prev = 0; // ์ด์ ๊น์ง์ ๋๊ธฐ์๊ฐ ๋์ ํฉ
int sum = 0; // ์ฌ๋๋ณ ๋๊ธฐ์๊ฐ ์ดํฉ
for(int i = 0; i < N; i++) {
// ์ด์ ๊น์ง์ ๋๊ธฐ์๊ฐ๊ณผ ํ์ฌ ์ฌ๋์ด ๊ฑธ๋ฆฌ๋ ์๊ฐ์ ๋ํด์ค๋ค.
sum += prev + arr[i];
// ์ด์ ๊น์ง์ ๋์ ํฉ์ ํ์ฌ ๊ฑธ๋ฆฌ๋ ์๊ฐ์ ๋ํด์ค๋ค.
prev += arr[i];
}
System.out.println(sum);
}
}
/*
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3 1 4 3 2
32
*/