結果
問題 | No.1802 Range Score Query for Bracket Sequence |
ユーザー |
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提出日時 | 2022-02-13 17:34:11 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 335 ms / 2,000 ms |
コード長 | 10,748 bytes |
コンパイル時間 | 2,050 ms |
コンパイル使用メモリ | 171,044 KB |
実行使用メモリ | 13,352 KB |
最終ジャッジ日時 | 2024-06-30 02:22:57 |
合計ジャッジ時間 | 7,031 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 24 |
ソースコード
#include <bits/stdc++.h>// #include <atcoder/all>// using namespace atcoder;// tabaicho see https://boostjp.github.io/tips/multiprec-int.html// #include <boost/multiprecision/cpp_int.hpp>// using namespace boost::multiprecision;// cpp_int// int128_t// int256_t// int512_t// int1024_t// uint128_t// uint256_t// uint512_t// uint1024_t#define int long long#define inf 1000000007// #define inf 998244353#define pa pair<int,int>#define ppa pair<pa,pa>#define ll long long#define PI 3.14159265358979323846#define mp make_pair#define pb push_back#define EPS (1e-8)using namespace std;int dx[8]={0,1,0,-1,1,1,-1,-1};int dy[8]={1,0,-1,0,-1,1,1,-1};class pa3{public:int x;int y,z;pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}bool operator < (const pa3 &p) const{if(x!=p.x) return x<p.x;if(y!=p.y) return y<p.y;return z<p.z;//return x != p.x ? x<p.x: y<p.y;}bool operator > (const pa3 &p) const{if(x!=p.x) return x>p.x;if(y!=p.y) return y>p.y;return z>p.z;//return x != p.x ? x<p.x: y<p.y;}bool operator == (const pa3 &p) const{return x==p.x && y==p.y && z==p.z;}bool operator != (const pa3 &p) const{return !( x==p.x && y==p.y && z==p.z);}};class pa4{public:int x;int y,z,w;pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}bool operator < (const pa4 &p) const{if(x!=p.x) return x<p.x;if(y!=p.y) return y<p.y;if(z!=p.z)return z<p.z;return w<p.w;//return x != p.x ? x<p.x: y<p.y;}bool operator > (const pa4 &p) const{if(x!=p.x) return x>p.x;if(y!=p.y) return y>p.y;if(z!=p.z)return z>p.z;return w>p.w;//return x != p.x ? x<p.x: y<p.y;}bool operator == (const pa4 &p) const{return x==p.x && y==p.y && z==p.z &&w==p.w;}};class pa2{public:int x,y;pa2(int x=0,int y=0):x(x),y(y) {}pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}bool operator < (const pa2 &p) const{return y != p.y ? y<p.y: x<p.x;}bool operator > (const pa2 &p) const{return x != p.x ? x<p.x: y<p.y;}bool operator == (const pa2 &p) const{return abs(x-p.x)==0 && abs(y-p.y)==0;}bool operator != (const pa2 &p) const{return !(abs(x-p.x)==0 && abs(y-p.y)==0);}};string itos( int i ) {ostringstream s ;s << i ;return s.str() ;}int Gcd(int v,int b){if(v==0) return b;if(b==0) return v;if(v>b) return Gcd(b,v);if(v==b) return b;if(b%v==0) return v;return Gcd(v,b%v);}int extgcd(int a, int b, int &x, int &y) {if (b == 0) {x = 1;y = 0;return a;}int d = extgcd(b, a%b, y, x);y -= a/b * x;return d;}pa operator+(const pa & l,const pa & r) {return {l.first+r.first,l.second+r.second};}pa operator-(const pa & l,const pa & r) {return {l.first-r.first,l.second-r.second};}pair<double,double> operator-(const pair<double,double> & l,const pair<double,double> & r) {return {l.first-r.first,l.second-r.second};}ostream& operator<<(ostream& os, const vector<int>& VEC){for(auto v:VEC)os<<v<<" ";return os;}ostream& operator<<(ostream& os, const pair<double,double>& PAI){os<<PAI.first<<" : "<<PAI.second;return os;}ostream& operator<<(ostream& os, const pa& PAI){os<<PAI.first<<" : "<<PAI.second;return os;}ostream& operator<<(ostream& os, const pa3& PAI){os<<PAI.x<<" : "<<PAI.y<<" : "<<PAI.z;return os;}ostream& operator<<(ostream& os, const pa4& PAI){os<<PAI.x<<" : "<<PAI.y<<" : "<<PAI.z<<" : "<<PAI.w;return os;}ostream& operator<<(ostream& os, const vector<pa>& VEC){for(auto v:VEC)os<<v<<" ";return os;}ostream& operator<<(ostream& os, const vector<pa3>& VEC){for(auto v:VEC){os<<v<<" ";os<<endl;}return os;}int beki(int wa,ll rr,int warukazu){if(rr==0) return 1%warukazu;if(rr==1) return wa%warukazu;wa%=warukazu;if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu;ll zx=beki(wa,rr/2,warukazu);return (zx*zx)%warukazu;}int pr[2500002];int inv[2500002];const int mod=998244353;int comb(int nn,int rr){if(nn==-1&&rr==-1)return 1;if(rr<0 || rr>nn || nn<0) return 0;int r=pr[nn]*inv[rr];r%=mod;r*=inv[nn-rr];r%=mod;return r;}void gya(int ert){pr[0]=1;for(int i=1;i<=ert;i++){pr[i]=((ll)pr[i-1]*i)%mod;}inv[ert]=beki(pr[ert],mod-2,mod);for(int i=ert-1;i>=0;i--){inv[i]=(ll)inv[i+1]*(i+1)%mod;}}int beki(int a,int b){int ANS=1;int be=a%mod;while(b){if(b&1){ANS*=be;ANS%=mod;}be*=be;be%=mod;b/=2;}return ANS;}// cin.tie(0);// ios::sync_with_stdio(false);//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;//sort(ve.begin(),ve.end(),greater<int>());// mt19937(clock_per_sec);// mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()) ;// a,b,c : positive int a*b<=c <=> a<=c/b// auto dfs=[&](auto &&self,int r,int p)->int{// };class Point{public:double x,y;Point(double x=0,double y=0):x(x),y(y) {}Point operator + (Point p) {return Point(x+p.x,y+p.y);}Point operator - (Point p) {return Point(x-p.x,y-p.y);}Point operator * (double a) {return Point(x*a,y*a);}Point operator / (double a) {return Point(x/a,y/a);}double absv() {return sqrt(norm());}double norm() {return x*x+y*y;}bool operator < (const Point &p) const{return x != p.x ? x<p.x: y<p.y;}bool operator == (const Point &p) const{return fabs(x-p.x)<EPS && fabs(y-p.y)<EPS;}};class Line{public:// y=ax+bdouble a;double b;Line(double a=0,double b=0):a(a),b(b) {}double eval(double x){return a*x+b;}bool operator < (const Line &p) const{return abs(a-p.a)>EPS ? a<p.a: b<p.b;}};Point intersect_line(Line A,Line B){double x=(B.b-A.b)/(A.a-B.a);return Point(x,A.eval(x));}Line line_from_2_Point(Point A,Point B){// line which through A,Bdouble a=(B.y-A.y)/(B.x-A.x);return Line(a,A.y-a*A.x);}struct unionfind{private:public:vector<int> par,ranks,kosuu;void shoki(int N){par.resize(N+1,0);ranks.resize(N+1,0);kosuu.resize(N+1,1);for(int i=0;i<=N;i++){par[i]=i;}}int root(int x){return par[x]==x ? x : par[x]=root(par[x]);}bool same(int x,int y){return root(x)==root(y);}bool is_root(int x){return x==root(x);}void unite(int x,int y){x=root(x);y=root(y);int xx=kosuu[x],yy=kosuu[y];if(x==y) return;if(ranks[x]<ranks[y]){par[x]=y;kosuu[y]=yy+xx;}else {par[y]=x;if(ranks[x]==ranks[y]) ranks[x]=ranks[x]+1;kosuu[x]=yy+xx;}return;}};struct segsum{// 1// 2 3// 4 5 6 7private:public:// 1<<15 = 32768// 1<<16 = 65536// 1<<17 = 131072// 1<<18 = 262144int cor=(1<<19);vector<int> vec;void shoki1(){vec.resize(2*cor+3, 0);}void shoki2(){for(int i=cor-1;i>0;i--) vec[i]=vec[2*i]+vec[2*i+1];}void clear(){for(int i=0;i<(int)vec.size();i++)vec[i]=0;}void updadd(int x,int w){//x 項目に w加算x+=cor;vec[x]+=w;x/=2;while(x){vec[x]=vec[2*x]+vec[2*x+1];x/=2;}}void updchan(int x,int w){//x項目をwに変更x+=cor;vec[x]=w;while(x){x/=2;vec[x]=vec[2*x]+vec[2*x+1];}}// [a,b)int sum(int a,int b){int hi=0,mi=0;a+=cor,b+=cor;while(a<b){if(a&1){hi=hi+vec[a];a++;}if(b&1){b--;mi=vec[b]+mi;}a/=2,b/=2;}return hi+mi;}// 位置pからはじめて和がx以上になる位置.ない場合はcorが返るint lower_bound(int p,int x){p+=cor;int ima=0;while(1){while(!(p&1))p/=2;if(ima+vec[p]>=x)break;//条件を満たさなくなるima=ima+vec[p];p++;if(p==(p&(-p))) return cor;}while(1){if(p>=cor) return p-cor;p*=2;if(ima+vec[p]<x){//条件を満たすima+=vec[p];p++;}}}// 位置pからはじめて和がxより大になる位置.ない場合はcorが返るint upper_bound(int p,int x){p+=cor;int ima=0;while(1){while(!(p&1))p/=2;if(ima+vec[p]>x)break;//条件を満たさなくなるima=ima+vec[p];p++;if(p==(p&(-p))) return cor;}while(1){if(p>=cor) return p-cor;p*=2;if(ima+vec[p]<=x){//条件を満たすima+=vec[p];p++;}}}};void solve(){int n,q;cin>>n>>q;string s;cin>>s;vector<int>ve;for(auto c:s){if(c=='(')ve.pb(0);else ve.pb(1);}segsum ss;ss.shoki1();for(int i=0;i<n-1;i++)if(ve[i]!=ve[i+1])ss.vec[ss.cor+i]=1;ss.shoki2();while(q--){int t;cin>>t;if(t==1){int y;cin>>y;y--;ve[y]=1-ve[y];if(y)ss.updchan(y-1,1-ss.sum(y-1,y));if(y<n-1)ss.updchan(y,1-ss.sum(y,y+1));}else{int l,r;cin>>l>>r;l--;int sum=ss.sum(l,r-1);if(ve[l]==0)sum++;if(ve[r-1]==1)sum++;cout<<sum/2<<endl;}}}signed main(){//mod=inf;cin.tie(0);ios::sync_with_stdio(false);int n=1;//cin>>n;for(int i=0;i<n;i++)solve();return 0;}