문제 풀이이 문제는 누적합 알고리즘으로 풀어야하는 문제다. BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer(bf.readLine());StringBuilder sb = new StringBuilder();int N = Integer.parseInt(st.nextToken());int K = Integer.parseInt(st.nextToken());int Q = Integer.parseInt(st.nextToken());int M = Integer.parseInt(st.nextToken());ArrayList sleep = new ArrayList()..