Submission #113785

#TimeUsernameProblemLanguageResultExecution timeMemory
113785MAMBAMatch (CEOI16_match)C++17
37 / 100
2069 ms888 KiB
#include <bits/stdc++.h> using namespace std; #define rep(i , j , k) for (int i = j; i < (int)k; i++) #define pb push_back #define mt make_tuple #define all(x) x.begin(),x.end() typedef long long ll; typedef pair<int , int> pii; typedef pair<ll, ll> pll; typedef long double ld; typedef complex<ld> point; typedef pair<ld , ld> pld; typedef vector<ll> vi; inline void fileIO(string s) { // freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); } template<class T , class S> inline bool smin(T &a, S b) { return (T)b < a ? a = b , 1 : 0; } template<class T , class S> inline bool smax(T &a, S b) { return a < (T)b ? a = b , 1 : 0; } constexpr int N = 1e5 + 10; constexpr int MOD = 1e9; template<typename T> inline T mod(T &v) { return v = (v % MOD + MOD) % MOD; } template<typename S, typename T> inline S add(S &l, T r) { return mod(l += r); } string s; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> s; int n = s.size(); vector<char> vec; for (auto e : s) { if (vec.size() && vec.back() == e) vec.pop_back(); else vec.pb(e); } if (vec.size()) return cout << -1 << endl, 0; rep(i , 0 , n) { vector<char> tmp(all(vec)); tmp.pb(s[i]); rep(j , i + 1, n) { auto e = s[j]; if (tmp.size() && tmp.back() == e) tmp.pop_back(); else tmp.pb(e); } if (tmp.empty()) { cout << '('; vec.pb(s[i]); } else { auto e = s[i]; if (vec.size() && vec.back() == e) vec.pop_back(); else vec.pb(e); cout << ')'; } } return 0; }
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