Submission #1320792
Source Code Expand
#include<bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; string s; cin >> s; if(s.length() % 2 == 1){ int ans = (n - 1) / 2; for(int num=ans;num>=0;--num){ if(num == 0){ if(s[0] == 'b') cout << ans << endl; else cout << "-1" << endl; }else if(num % 3 == 1){ if(s[0] == 'a' && s[s.length()-1] == 'c'){ s.pop_back(); s.erase(s.begin()); }else{ cout << "-1" << endl; break; } }else if(num % 3 == 2){ if(s[0] == 'c' && s[s.length()-1] == 'a'){ s.pop_back(); s.erase(s.begin()); }else{ cout << "-1" << endl; break; } }else{ if(s[0] == 'b' && s[s.length()-1] == 'b'){ s.pop_back(); s.erase(s.begin()); }else{ cout << "-1" << endl; break; } } } }else{ cout << "-1" << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 手芸王 |
User | nicklaw296 |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1286 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | subtask0-sample01.txt, subtask0-sample02.txt, subtask0-sample03.txt, subtask0-sample04.txt |
All | subtask0-sample01.txt, subtask0-sample02.txt, subtask0-sample03.txt, subtask0-sample04.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, subtask1-10.txt, subtask1-11.txt, subtask1-12.txt, subtask1-13.txt, subtask1-14.txt, subtask1-15.txt, subtask1-16.txt, subtask1-17.txt, subtask1-18.txt, subtask1-19.txt, subtask1-20.txt, subtask1-21.txt, subtask1-22.txt, subtask1-23.txt, subtask1-24.txt, subtask1-25.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0-sample01.txt | AC | 1 ms | 256 KB |
subtask0-sample02.txt | AC | 1 ms | 256 KB |
subtask0-sample03.txt | AC | 1 ms | 256 KB |
subtask0-sample04.txt | AC | 1 ms | 256 KB |
subtask1-01.txt | AC | 1 ms | 256 KB |
subtask1-02.txt | AC | 1 ms | 256 KB |
subtask1-03.txt | AC | 1 ms | 256 KB |
subtask1-04.txt | AC | 1 ms | 256 KB |
subtask1-05.txt | AC | 1 ms | 256 KB |
subtask1-06.txt | AC | 1 ms | 256 KB |
subtask1-07.txt | AC | 1 ms | 256 KB |
subtask1-08.txt | AC | 1 ms | 256 KB |
subtask1-09.txt | AC | 1 ms | 256 KB |
subtask1-10.txt | AC | 1 ms | 256 KB |
subtask1-11.txt | AC | 1 ms | 256 KB |
subtask1-12.txt | AC | 1 ms | 256 KB |
subtask1-13.txt | AC | 1 ms | 256 KB |
subtask1-14.txt | AC | 1 ms | 256 KB |
subtask1-15.txt | AC | 1 ms | 256 KB |
subtask1-16.txt | AC | 1 ms | 256 KB |
subtask1-17.txt | AC | 1 ms | 256 KB |
subtask1-18.txt | AC | 1 ms | 256 KB |
subtask1-19.txt | AC | 1 ms | 256 KB |
subtask1-20.txt | AC | 1 ms | 256 KB |
subtask1-21.txt | AC | 1 ms | 256 KB |
subtask1-22.txt | AC | 1 ms | 256 KB |
subtask1-23.txt | AC | 1 ms | 256 KB |
subtask1-24.txt | AC | 1 ms | 256 KB |
subtask1-25.txt | AC | 1 ms | 256 KB |