oj.uz

Submission #1012779

# Submission time Handle Problem Language Result Execution time Memory
1012779 2024-07-02T15:11:58 Z LeonidCuk Match (CEOI16_match) C++17
37 / 100
 2000 ms 952 KB 
#include <bits/stdc++.h>
using namespace std;
int n;
string s;
bool check(stack<char>st,int l)
{
    for(int i=l;i<n;i++)
    {
        if(st.empty()||st.top()!=s[i])
        {
            st.push(s[i]);
        }
        else if(!st.empty()&&st.top()==s[i])
        {
            st.pop();
        }
    }
    if(!st.empty())
    {
        return false;
    }
    return true;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>s;
    n=s.size();
    stack<char>st;
    string res="";
    for(int i=0;i<n;i++)
    {
        if(st.empty()||st.top()!=s[i])
        {
            res+='(';
            st.push(s[i]);
        }
        else if(!st.empty()&&st.top()==s[i])
        {
            st.push(s[i]);
            if(check(st,i+1))
            {
                res+='(';
            }
            else
            {
                st.pop();
                st.pop();
                res+=')';
            }
        }
    }
    if(!st.empty())
    {
        cout<<"-1";
        return 0;
    }
    cout<<res;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 23 ms 344 KB Output is correct
9 Correct 29 ms 476 KB Output is correct
10 Correct 27 ms 480 KB Output is correct
11 Correct 23 ms 460 KB Output is correct
12 Correct 1753 ms 600 KB Output is correct
13 Correct 1863 ms 856 KB Output is correct
14 Execution timed out 2056 ms 952 KB Time limit exceeded
15 Halted 0 ms 0 KB -