oj.uz

Submission #946702

# Submission time Handle Problem Language Result Execution time Memory
946702 2024-03-14T23:08:50 Z Darren0724 Match (CEOI16_match) C++17
10 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define int long long
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e18;
vector<int> a[26];
vector<int> v;
string ans;
void solve(int l,int r){
    if(l>=r)return;
    auto it=--lower_bound(all(a[v[l]]),r);
    if(*it<=l){
        cout<<-1<<endl;
        exit(0);
    }
    ans[l]='(';
    ans[*it]=')';
    solve(l+1,*it);
    solve(*it+1,r);
}
int32_t main() {
    LCBorz;
    string s;cin>>s;
    int n=s.size();
    v.resize(n);
    ans.assign(n,'0');
    for(int i=0;i<n;i++){
        int p=s[i]-'a';
        v[i]=p;
        a[p].push_back(i);
    }
    solve(0,n);
    cout<<ans<<endl;
    return 0;
}

Subtask #1
10.0 / 10.0

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

Subtask #2
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -