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Submission #346237

# Submission time Handle Problem Language Result Execution time Memory
346237 2021-01-09T07:45:59 Z shrek12357 Match (CEOI16_match) C++14
37 / 100
 2000 ms 808 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()
 
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
 
    string s;
    cin >> s;
 
    int n = s.size();
 
    vector<char> stk;
 
    string ans;
 
    for (int i = 0; i < n; i++) {
        if (stk.empty() || stk.back() != s[i]) {
            stk.push_back(s[i]);
            ans.push_back('(');
        }
        else {
            vector<char> stk_cp = stk;
            stk_cp.push_back(s[i]);
 
            for (int j = i + 1; j < n; j++) {
                if (stk_cp.empty() || stk_cp.back() != s[j]) {
                    stk_cp.push_back(s[j]);
                }
                else {
                    stk_cp.pop_back();
                }
            }
            if (stk_cp.empty()) {
                stk.push_back(s[i]);
                ans.push_back('(');
            }
            else {
                stk.pop_back();
                ans.push_back(')');
            }
        }
    }
 
    if (stk.empty()) {
        cout << ans << "\n";
    }
    else {
        cout << "-1\n";
    }
 
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 3 ms 364 KB Output is correct
7 Correct 4 ms 364 KB Output is correct

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 3 ms 364 KB Output is correct
7 Correct 4 ms 364 KB Output is correct
8 Correct 43 ms 364 KB Output is correct
9 Correct 45 ms 492 KB Output is correct
10 Correct 38 ms 492 KB Output is correct
11 Correct 39 ms 492 KB Output is correct
12 Execution timed out 2064 ms 808 KB Time limit exceeded
13 Halted 0 ms 0 KB -