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
AC × 4
AC × 26
WA × 14
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