삼성 SW 역량 테스트 기출 문제 : 시험 감독

https://www.acmicpc.net/problem/13458

13458번: 시험 감독

 

// 코드

import java.util.*;
import java.io.*;
 
public class Main{ 
   
  // main
  public static void main(String[] args) throws Exception {
    
    BufferedWriter bw  = new BufferedWriter(new OutputStreamWriter(System.out));
    BufferedReader br  = new BufferedReader(new InputStreamReader(System.in)); 
    StringTokenizer st = null;
    
    long N = Long.parseLong(br.readLine());
    long[] arr = Arrays.stream(br.readLine().split(" ")).mapToLong(Long::parseLong).toArray();
    st = new StringTokenizer(br.readLine());
    long B = Long.parseLong(st.nextToken());
    long C = Long.parseLong(st.nextToken());
    
    long totalCnt = N;
    for(int i=0; i<N; i++) {
      arr[i] -= B;
      if(arr[i] < 0) arr[i] = 0;
    }
    for(int i=0; i<N; i++) {
      long myVal = arr[i] / C;
      if(arr[i] % C != 0) myVal += 1;
      totalCnt += myVal;
    }
    
    bw.write(String.valueOf(totalCnt));
    br.close();
    bw.flush();
    bw.close();
  } 
}