Submission #609464

# Submission time Handle Problem Language Result Execution time Memory
609464 2022-07-27T16:01:26 Z Vanilla Match (CEOI16_match) C++17
37 / 100
2000 ms 540 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long int64;
const int maxn = 2e3 + 2;
string rs;
string s;
int n;

int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> s;
    n = s.size();
    rs = string(n, '0');
    stack <char> st;
    for (int i = 0; i < n; i++){
        auto check = [&, st] () mutable -> bool {
            st.push(s[i]);
            for (int j = i + 1; j < n; j++){
                if (!st.empty() && s[j] == st.top()) st.pop();
                else st.push(s[j]);
            }  
            return st.empty();
        };
        if (check()) {
            rs[i] = '(';
            st.push(s[i]);
        }
        else {
            rs[i] = ')';
            if (!st.empty() && st.top() == s[i]) st.pop();
            else {
                cout << "-1\n";
                return 0;
            }
        }
    }
    if (st.empty()) cout << rs;
    else cout << "-1";

    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 7 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 4 ms 212 KB Output is correct
7 Correct 7 ms 212 KB Output is correct
8 Correct 108 ms 320 KB Output is correct
9 Correct 102 ms 340 KB Output is correct
10 Correct 96 ms 340 KB Output is correct
11 Correct 93 ms 340 KB Output is correct
12 Execution timed out 2082 ms 540 KB Time limit exceeded
13 Halted 0 ms 0 KB -