제출 #1136830

#제출 시각아이디문제언어결과실행 시간메모리
1136830b1t_exeKnapsack (NOI18_knapsack)Java
컴파일 에러
0 ms0 KiB
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int t = 1; // Number of test cases while (t-- > 0) { int x = sc.nextInt(); // Maximum weight capacity int n = sc.nextInt(); // Number of items int[][] arr = new int[n][3]; // Item details: value, weight, max quantity for (int i = 0; i < n; i++) { arr[i][0] = sc.nextInt(); // Value of item arr[i][1] = sc.nextInt(); // Weight of item arr[i][2] = sc.nextInt(); // Maximum quantity of item } int[] dp = new int[x + 1]; // DP array to store max profit for each capacity // Process each item for (int i = 0; i < n; i++) { int value = arr[i][0]; int weight = arr[i][1]; int maxQuantity = arr[i][2]; // Process for bounded quantity for (int capacity = x; capacity >= weight; capacity--) { for (int quantity = 1; quantity <= maxQuantity && quantity * weight <= capacity; quantity++) { dp[capacity] = Math.max(dp[capacity], quantity * value + dp[capacity - quantity * weight]); } } } System.out.println(dp[x]); // Maximum profit for capacity x } sc.close(); } }

컴파일 시 표준 에러 (stderr) 메시지

knapsack.java:3: error: class Main is public, should be declared in a file named Main.java
public class Main {
       ^
1 error

=======