제출 #534515

#제출 시각아이디문제언어결과실행 시간메모리
534515nicolexxuu은행 (IZhO14_bank)C++14
컴파일 에러
0 ms0 KiB
import java.util.*; import java.io.*; public class bank { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int N = Integer.parseInt(st.nextToken()); int M = Integer.parseInt(st.nextToken()); st = new StringTokenizer(br.readLine()); int[] a = new int[N], b = new int[M]; for(int i = 0; i < N; i++) a[i] = Integer.parseInt(st.nextToken()); st = new StringTokenizer(br.readLine()); for(int i = 0; i < M; i++) b[i] = Integer.parseInt(st.nextToken()); br.close(); ArrayList<Integer> combos[] = new ArrayList[1000001]; for(int i = 0; i <= 1000000; i++) combos[i] = new ArrayList<>(); combos[0].add(0); for(int mask = 1; mask < 1 << M; mask++) { int sum = 0; for(int i = 0; i < M; i++) { // System.out.println(mask & (1 << i)); if((mask & (1 << i)) > 0) sum += b[i]; } // System.out.println("mask: " + mask + " sum: " + sum); combos[sum].add(mask); } // for(int s = 0; s <= 1000; s++) System.out.println(combos[s]); boolean[][] possible = new boolean[N+1][1 << M]; possible[0][0] = true; for(int i = 0; i < N; i++) { // System.out.println("i: " + i); for(int mask = 1; mask < 1 << M; mask++) { // System.out.println("mask: " + Integer.toBinaryString(mask)); for(int combo : combos[a[i]]) { // if(mask == 31) System.out.println("combo: " + Integer.toBinaryString(combo)); boolean ok = true; for(int j = 0; j < M; j++) { // System.out.println(Integer.toBinaryString(((combo >> j) & 1)) + " vs " + Integer.toBinaryString(((mask >> j) & 1))); if(((combo >> j) & 1) == 1 && ((mask >> j) & 1) == 0) ok = false; } // if(mask == 31) System.out.println("ok: " + ok); if(ok) possible[i+1][mask] |= possible[i][mask - combo]; } // System.out.println(possible[i+1][mask]); } } boolean result = false; for(int i = 0; i < 1 << M; i++) result |= possible[N][i]; if(result) System.out.println("YES"); else System.out.println("NO"); } }

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
bank.cpp:2:1: error: 'import' does not name a type
    2 | import java.io.*;
      | ^~~~~~
bank.cpp:4:1: error: expected unqualified-id before 'public'
    4 | public class bank {
      | ^~~~~~