Submission #1307522


Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long LL;
int main(){
    string S;
    string T[4] = {"dream", "dreamer", "erase", "eraser"};
    cin >> S;

    for(LL i = 0; i < S.size();){
        if(S[i] == 'd'){
            if(S.substr(i, 7) == T[1] && S[i + 7] != 'a'){
                i += 7;
            }else if(S.substr(i, 5) == T[0]){
                i += 5;
            }else{
                cout << "NO" << endl;
                return 0;
            }
        }else if(S[i] == 'e'){
            if(S.substr(i, 7) == T[3] && S[i + 7] != 'a'){
                i += 7;
            }else if(S.substr(i, 5) == T[2]){
                i += 5;
            }else{
                cout << "NO" << endl;
                return 0;
            }
        }else{
            cout << "NO" << endl;
            return 0;
        }
    }

    cout << "YES" << endl;

    return 0;
}

Submission Info

Submission Time
Task C - Daydream
User wheson
Language C++14 (GCC 5.4.1)
Score 0
Code Size 927 Byte
Status WA
Exec Time 4 ms
Memory 512 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 300
Status
AC × 3
AC × 11
WA × 8
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 1 ms 256 KB
subtask0_1.txt AC 1 ms 256 KB
subtask0_2.txt AC 1 ms 256 KB
subtask1_0.txt AC 4 ms 512 KB
subtask1_1.txt AC 4 ms 512 KB
subtask1_10.txt WA 4 ms 512 KB
subtask1_11.txt WA 4 ms 512 KB
subtask1_12.txt WA 4 ms 512 KB
subtask1_13.txt WA 4 ms 512 KB
subtask1_14.txt AC 4 ms 512 KB
subtask1_15.txt AC 4 ms 512 KB
subtask1_2.txt AC 4 ms 512 KB
subtask1_3.txt WA 4 ms 512 KB
subtask1_4.txt AC 4 ms 512 KB
subtask1_5.txt WA 4 ms 512 KB
subtask1_6.txt AC 4 ms 512 KB
subtask1_7.txt AC 4 ms 512 KB
subtask1_8.txt WA 4 ms 512 KB
subtask1_9.txt WA 4 ms 512 KB