Submission #855121


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import java.util.*;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int[] x = new int[N];
		for(int i=0; i<N; i++)
			x[i] = sc.nextInt();
		
		long[][] dp = new long[N+1][50*N+1];
		dp[0][0] = 1;
		for(int i=0; i<N; i++)
			for(int j=i; j>=0; j--)
				for(int k=0; k<=50*i; k++)
					dp[j+1][k+x[i]] += dp[j][k];
		
		long ans = 0;
		for(int i=1; i<=N; i++)
			ans += dp[i][i*A];
		System.out.println(ans);
		sc.close();
	}
}

Submission Info

Submission Time
Task C - Tak and Cards
User a2stnk
Language Java8 (OpenJDK 1.8.0)
Score 300
Code Size 558 Byte
Status AC
Exec Time 245 ms
Memory 11208 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 4
AC × 12
AC × 24
Set Name Test Cases
Sample example_01.txt, example_02.txt, example_03.txt, example_04.txt
Subtask1 example_01.txt, example_02.txt, example_03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt
All example_01.txt, example_02.txt, example_03.txt, example_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt
Case Name Status Exec Time Memory
example_01.txt AC 196 ms 9424 KB
example_02.txt AC 188 ms 9292 KB
example_03.txt AC 196 ms 9424 KB
example_04.txt AC 223 ms 10188 KB
subtask1_01.txt AC 204 ms 9556 KB
subtask1_02.txt AC 200 ms 9552 KB
subtask1_03.txt AC 196 ms 9552 KB
subtask1_04.txt AC 196 ms 9428 KB
subtask1_05.txt AC 200 ms 9548 KB
subtask1_06.txt AC 196 ms 9424 KB
subtask1_07.txt AC 192 ms 9428 KB
subtask1_08.txt AC 200 ms 9672 KB
subtask1_09.txt AC 200 ms 9552 KB
subtask2_01.txt AC 224 ms 11208 KB
subtask2_02.txt AC 220 ms 11092 KB
subtask2_03.txt AC 226 ms 11084 KB
subtask2_04.txt AC 245 ms 11092 KB
subtask2_05.txt AC 228 ms 11088 KB
subtask2_06.txt AC 224 ms 11084 KB
subtask2_07.txt AC 224 ms 11088 KB
subtask2_08.txt AC 220 ms 10320 KB
subtask2_09.txt AC 224 ms 10192 KB
subtask2_10.txt AC 229 ms 10704 KB
subtask2_11.txt AC 220 ms 10836 KB