Submission #3607641
Source Code Expand
#include <iostream> #include <string> using namespace std; int main() { string s; cin >> s; int cnt = 0; while (true){ if (s.empty() || s[0] == '5' || s.back() == '2') break; int now_i = 0; while (true){ int new_i_2 = s.find("2", now_i); if (new_i_2 == -1) break; int new_i_5 = s.find("5", new_i_2); if (new_i_5 == -1) break; s.erase(s.begin() + new_i_2); s.erase(s.begin() + new_i_5 - 1); now_i = new_i_5 - 2; } cnt++; } if (s.empty()){ cout << cnt << endl; } else { cout << -1 << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 2525文字列分解 |
User | Koreander |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 731 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 300 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 1 ms | 256 KB |
00_example_02.txt | AC | 1 ms | 256 KB |
00_example_03.txt | AC | 1 ms | 256 KB |
00_example_04.txt | AC | 1 ms | 256 KB |
01.txt | WA | 1 ms | 256 KB |
02.txt | WA | 1 ms | 256 KB |
03.txt | WA | 1 ms | 256 KB |
04.txt | WA | 1 ms | 256 KB |
05.txt | AC | 1 ms | 256 KB |
06.txt | AC | 1 ms | 256 KB |
07.txt | AC | 1 ms | 256 KB |
08.txt | AC | 1 ms | 256 KB |
09.txt | AC | 1 ms | 256 KB |
10.txt | WA | 1 ms | 256 KB |
11.txt | WA | 1 ms | 256 KB |
12.txt | AC | 1 ms | 256 KB |
13.txt | AC | 1 ms | 256 KB |
14.txt | AC | 1 ms | 256 KB |
15.txt | AC | 1 ms | 256 KB |
16.txt | AC | 1 ms | 256 KB |
17.txt | AC | 1 ms | 256 KB |
18.txt | AC | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | AC | 1 ms | 256 KB |
21.txt | AC | 1 ms | 256 KB |
22.txt | AC | 1 ms | 256 KB |
23.txt | AC | 1 ms | 256 KB |
24.txt | AC | 1 ms | 256 KB |
25.txt | AC | 1 ms | 256 KB |
26.txt | AC | 1 ms | 256 KB |
27.txt | WA | 1 ms | 256 KB |
28.txt | WA | 1 ms | 256 KB |
29.txt | WA | 1 ms | 256 KB |
30.txt | WA | 1 ms | 256 KB |
31.txt | WA | 1 ms | 256 KB |
32.txt | WA | 1 ms | 256 KB |
33.txt | WA | 1 ms | 256 KB |
34.txt | WA | 1 ms | 256 KB |
35.txt | AC | 1 ms | 256 KB |
36.txt | AC | 1 ms | 256 KB |