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Submission #222989

# Submission time Handle Problem Language Result Execution time Memory
222989 2020-04-14T12:49:39 Z Minnakhmetov Match (CEOI16_match) C++14
37 / 100
 2000 ms 608 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 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 384 KB Output is correct
7 Correct 8 ms 384 KB Output is correct

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 384 KB Output is correct
7 Correct 8 ms 384 KB Output is correct
8 Correct 51 ms 384 KB Output is correct
9 Correct 49 ms 384 KB Output is correct
10 Correct 42 ms 420 KB Output is correct
11 Correct 41 ms 512 KB Output is correct
12 Execution timed out 2097 ms 608 KB Time limit exceeded
13 Halted 0 ms 0 KB -