Submission #7996491
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); ++i) using namespace std; string divide[4] ={"dream","dreamer","erase","eraser"}; int main(){ string s; cin >> s; reverse(s.begin(),s.end()); for(int i=0;i<4;++i) reverse(divide[i].begin(),divide[i].end()); bool can = true; for(int i=0;i<s.size();){ bool can2 = false; for(int j=0;j<4;++j){ string d = divide[j]; if(s.substr(i,d.size()) == d){ can2 = true; i += d.size(); } } if(!can2){ can = false; break; } } if(can) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Daydream |
User | sdyui |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 623 Byte |
Status | AC |
Exec Time | 12 ms |
Memory | 512 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
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 | 8 ms | 512 KB |
subtask1_1.txt | AC | 8 ms | 512 KB |
subtask1_10.txt | AC | 9 ms | 512 KB |
subtask1_11.txt | AC | 9 ms | 512 KB |
subtask1_12.txt | AC | 9 ms | 512 KB |
subtask1_13.txt | AC | 12 ms | 512 KB |
subtask1_14.txt | AC | 6 ms | 512 KB |
subtask1_15.txt | AC | 9 ms | 512 KB |
subtask1_2.txt | AC | 5 ms | 512 KB |
subtask1_3.txt | AC | 9 ms | 512 KB |
subtask1_4.txt | AC | 9 ms | 512 KB |
subtask1_5.txt | AC | 9 ms | 512 KB |
subtask1_6.txt | AC | 9 ms | 512 KB |
subtask1_7.txt | AC | 9 ms | 512 KB |
subtask1_8.txt | AC | 9 ms | 512 KB |
subtask1_9.txt | AC | 9 ms | 512 KB |