結果
問題 | No.1961 Clear Brackets |
ユーザー | PCTprobability |
提出日時 | 2022-05-24 09:34:29 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 9 ms / 2,000 ms |
コード長 | 5,102 bytes |
コンパイル時間 | 4,007 ms |
コンパイル使用メモリ | 267,044 KB |
実行使用メモリ | 6,912 KB |
最終ジャッジ日時 | 2024-09-20 13:32:00 |
合計ジャッジ時間 | 5,420 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 8 ms
6,784 KB |
testcase_15 | AC | 9 ms
6,784 KB |
testcase_16 | AC | 8 ms
6,784 KB |
testcase_17 | AC | 8 ms
6,784 KB |
testcase_18 | AC | 8 ms
6,784 KB |
testcase_19 | AC | 6 ms
6,912 KB |
testcase_20 | AC | 8 ms
6,784 KB |
testcase_21 | AC | 7 ms
6,784 KB |
testcase_22 | AC | 7 ms
6,784 KB |
testcase_23 | AC | 9 ms
6,784 KB |
testcase_24 | AC | 5 ms
6,784 KB |
testcase_25 | AC | 5 ms
6,784 KB |
testcase_26 | AC | 6 ms
6,656 KB |
testcase_27 | AC | 6 ms
6,784 KB |
testcase_28 | AC | 7 ms
6,784 KB |
testcase_29 | AC | 8 ms
6,784 KB |
testcase_30 | AC | 9 ms
6,912 KB |
testcase_31 | AC | 5 ms
6,784 KB |
testcase_32 | AC | 8 ms
6,656 KB |
testcase_33 | AC | 5 ms
6,784 KB |
testcase_34 | AC | 6 ms
6,784 KB |
testcase_35 | AC | 5 ms
6,784 KB |
testcase_36 | AC | 4 ms
6,784 KB |
testcase_37 | AC | 6 ms
6,784 KB |
testcase_38 | AC | 6 ms
6,784 KB |
testcase_39 | AC | 6 ms
6,784 KB |
testcase_40 | AC | 7 ms
6,656 KB |
testcase_41 | AC | 9 ms
6,656 KB |
testcase_42 | AC | 8 ms
6,784 KB |
testcase_43 | AC | 8 ms
6,784 KB |
testcase_44 | AC | 9 ms
6,784 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using ll = long long; using ld = long double; using ull = unsigned long long; #define endl "\n" typedef pair<int,int> Pii; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define PB push_back #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(s) (s).begin(),(s).end() #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define rever(vec) reverse(vec.begin(), vec.end()) #define sor(vec) sort(vec.begin(), vec.end()) #define fi first #define se second #define pb push_back #define P pair<ll,ll> #define PQminll priority_queue<ll, vector<ll>, greater<ll>> #define PQmaxll priority_queue<ll,vector<ll>,less<ll>> #define PQminP priority_queue<P, vector<P>, greater<P>> #define PQmaxP priority_queue<P,vector<P>,less<P>> #define NP next_permutation typedef string::const_iterator State; class ParseError {}; //const ll mod = 1000000009; const ll mod = 998244353; //const ll mod = 1000000007; const ll inf = 4100000000000000000ll; const ld eps = ld(0.00000000000001); const long double pi = 3.141592653589793; template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];} template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];} template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;} template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}} template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;} void yes(bool a){cout<<(a?"yes":"no")<<endl;} void YES(bool a){cout<<(a?"YES":"NO")<<endl;} void Yes(bool a){cout<<(a?"Yes":"No")<<endl;} void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; } void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; } void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; } template<class T>void print(T a){cout<<a<<endl;} template<class T>auto min(const T& a){ return *min_element(all(a)); } template<class T>auto max(const T& a){ return *max_element(all(a)); } template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;} template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0;} template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0;} template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;} ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; } ll pop(ll x){return __builtin_popcountll(x);} ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;} void cincout() { ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(20); } int main() { cincout(); ll n; cin>>n; string s; cin>>s; assert(1<=n&&n<=200000); assert(int(s.size())==n); for(int i=0;i<n;i++) assert(s[i]=='?'||s[i]==')'||s[i]=='('); vector<ll> l(n+1,-inf),r(n+1,-inf); l[0]=0; ll sum=0,ex=0,sc=0; for(int i=0;i<n;i++){ if(s[i]!='('&&sum<=1){ l[i+1]=sc+ex; } if(s[i]=='('){ sum++; ex=1; } if(s[i]==')'){ if(sum){ sum--; ex=1; } else{ sc+=ex; ex=0; } } if(s[i]=='?'){ if(i==n-1||ex||s[i+1]=='('){ if(sum){ sum--; ex=1; } else{ sc+=ex; ex=0; } } else{ sum++; ex=1; } } } r[n]=0; sum=0,ex=0,sc=0; for(int i=n-1;i>=0;i--){ if(s[i]!=')'&&sum<=0){ r[i]=sc+ex; } if(s[i]==')'){ sum++; ex=1; } if(s[i]=='('){ if(sum){ sum--; ex=1; } else{ sc+=ex; ex=0; } } if(s[i]=='?'){ if(i==0||ex||s[i-1]==')'){ if(sum){ sum--; ex=1; } else{ sc+=ex; ex=0; } } else{ sum++; ex=1; } } } ll ans=0; for(int i=0;i<=n;i++) chmax(ans,l[i]+r[i]); cout<<ans<<endl; }