Submission #148410


Source Code Expand

import java.util.Scanner;

public class Main{
	public static void main(String[] args){
		new Main().run();
	}

	void run()
	{
		Scanner cin = new Scanner(System.in);
		int N = cin.nextInt();
		String S = cin.next();

		int[] dp = new int[N];
		for(int i=1;i<N;i++) dp[i] = 999999;
		for(int i=0;i<N;i++){
			//もし水たまりなら、答えを1足す
			if(S.charAt(i) == 'X') dp[i]++;
			for(int j=1;j<=3;j++){
				if(i+j>=N) break; //はみ出たらbreak
				//最小値を後ろから貰い、更新
				dp[i+j] = Math.min(dp[i+j], dp[i]);
			}
		}
		System.out.println(dp[N - 1]);
	}
}

Submission Info

Submission Time
Task B - 雨上がり
User chokudai
Language Java (OpenJDK 1.7.0)
Score 50
Code Size 618 Byte
Status AC
Exec Time 1026 ms
Memory 23268 KB

Judge Result

Set Name All
Score / Max Score 50 / 50
Status
AC × 43
Set Name Test Cases
All case_000.txt, case_001.txt, case_002.txt, case_003.txt, case_004.txt, case_005.txt, case_006.txt, case_007.txt, case_008.txt, case_009.txt, case_010.txt, case_011.txt, case_012.txt, case_013.txt, case_014.txt, case_015.txt, case_016.txt, case_017.txt, case_018.txt, case_019.txt, case_020.txt, case_021.txt, case_022.txt, case_023.txt, case_024.txt, case_025.txt, case_026.txt, case_027.txt, case_028.txt, case_029.txt, case_030.txt, case_031.txt, case_032.txt, case_033.txt, case_034.txt, case_035.txt, case_036.txt, case_037.txt, case_038.txt, case_039.txt, case_040.txt, case_041.txt, case_042.txt
Case Name Status Exec Time Memory
case_000.txt AC 1026 ms 23168 KB
case_001.txt AC 494 ms 23212 KB
case_002.txt AC 483 ms 23096 KB
case_003.txt AC 492 ms 23220 KB
case_004.txt AC 491 ms 23088 KB
case_005.txt AC 486 ms 23092 KB
case_006.txt AC 486 ms 23092 KB
case_007.txt AC 492 ms 23216 KB
case_008.txt AC 487 ms 23092 KB
case_009.txt AC 496 ms 23084 KB
case_010.txt AC 493 ms 23088 KB
case_011.txt AC 493 ms 23220 KB
case_012.txt AC 515 ms 23220 KB
case_013.txt AC 506 ms 23216 KB
case_014.txt AC 492 ms 23184 KB
case_015.txt AC 495 ms 23224 KB
case_016.txt AC 489 ms 23096 KB
case_017.txt AC 488 ms 23216 KB
case_018.txt AC 484 ms 23212 KB
case_019.txt AC 488 ms 23084 KB
case_020.txt AC 483 ms 23084 KB
case_021.txt AC 496 ms 23088 KB
case_022.txt AC 495 ms 23084 KB
case_023.txt AC 507 ms 23088 KB
case_024.txt AC 494 ms 23180 KB
case_025.txt AC 494 ms 23216 KB
case_026.txt AC 486 ms 23224 KB
case_027.txt AC 494 ms 23092 KB
case_028.txt AC 497 ms 23216 KB
case_029.txt AC 486 ms 23208 KB
case_030.txt AC 481 ms 23268 KB
case_031.txt AC 491 ms 23092 KB
case_032.txt AC 482 ms 23216 KB
case_033.txt AC 494 ms 23220 KB
case_034.txt AC 489 ms 23084 KB
case_035.txt AC 486 ms 23084 KB
case_036.txt AC 494 ms 23216 KB
case_037.txt AC 495 ms 23084 KB
case_038.txt AC 537 ms 23220 KB
case_039.txt AC 493 ms 23200 KB
case_040.txt AC 495 ms 23092 KB
case_041.txt AC 487 ms 23220 KB
case_042.txt AC 489 ms 23088 KB