Submission #1188145


Source Code Expand

import java.lang.StringBuffer;
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        StringBuffer string = new StringBuffer(scanner.next());

        while(true) {
            int length = string.length();
            if (length == 0) {
                System.out.println("YES");
                break;
            }
            if (length >= 5 && string.substring(length - 5, length).equals("dream")) {
                string.delete(length - 5, length);
            } else if (length >= 7 && string.substring(length - 7, length).equals("dreamer")) {
                string.delete(length - 7, length);
            } else if (length >= 5 && string.substring(length - 5, length).equals("erase")) {
                string.delete(length - 5, length);
            } else if (length >= 6 && string.substring(length - 6, length).equals("eraser")) {
                string.delete(length - 6, length);
            } else {
                System.out.println("NO");
                break;
            }
        }
    }
}

Submission Info

Submission Time
Task C - Daydream
User shimisho
Language Java8 (OpenJDK 1.8.0)
Score 300
Code Size 1129 Byte
Status AC
Exec Time 165 ms
Memory 28836 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 19
Set Name Test Cases
Sample subtask0_0.txt, subtask0_1.txt, subtask0_2.txt
All subtask0_0.txt, subtask0_1.txt, subtask0_2.txt, subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_2.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt
Case Name Status Exec Time Memory
subtask0_0.txt AC 88 ms 19412 KB
subtask0_1.txt AC 88 ms 20564 KB
subtask0_2.txt AC 87 ms 18772 KB
subtask1_0.txt AC 145 ms 24936 KB
subtask1_1.txt AC 148 ms 26744 KB
subtask1_10.txt AC 151 ms 26072 KB
subtask1_11.txt AC 151 ms 26836 KB
subtask1_12.txt AC 149 ms 27712 KB
subtask1_13.txt AC 154 ms 25176 KB
subtask1_14.txt AC 142 ms 23812 KB
subtask1_15.txt AC 146 ms 24264 KB
subtask1_2.txt AC 139 ms 23076 KB
subtask1_3.txt AC 150 ms 24812 KB
subtask1_4.txt AC 165 ms 24260 KB
subtask1_5.txt AC 150 ms 25896 KB
subtask1_6.txt AC 151 ms 28836 KB
subtask1_7.txt AC 148 ms 26732 KB
subtask1_8.txt AC 151 ms 25636 KB
subtask1_9.txt AC 148 ms 26052 KB