結果
問題 | No.878 Range High-Element Query |
ユーザー | 👑 tute7627 |
提出日時 | 2019-09-06 23:18:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 181 ms / 2,000 ms |
コード長 | 4,835 bytes |
コンパイル時間 | 1,985 ms |
コンパイル使用メモリ | 183,796 KB |
実行使用メモリ | 10,740 KB |
最終ジャッジ日時 | 2024-06-24 21:15:03 |
合計ジャッジ時間 | 4,187 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 3 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 4 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 178 ms
10,164 KB |
testcase_12 | AC | 110 ms
9,036 KB |
testcase_13 | AC | 143 ms
8,220 KB |
testcase_14 | AC | 106 ms
7,432 KB |
testcase_15 | AC | 112 ms
9,036 KB |
testcase_16 | AC | 167 ms
10,252 KB |
testcase_17 | AC | 180 ms
10,740 KB |
testcase_18 | AC | 181 ms
10,720 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define lfs <<fixed<<setprecision(10)<< #define test cout<<"test"<<endl; #define fi first #define se second #define MP make_pair #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = n; i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = n - 1; i >= (ll)(m); i--) typedef long long ll; typedef long double ld; const ll MOD = 1e9+7; //const ll MOD = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T> void chmin(T &a,T b){if(a>b)a=b;} template<typename T> void chmax(T &a,T b){if(a<b)a=b;} void pmod(ll &a,ll b){a=(a+b)%MOD;} void pmod(ll &a,ll b,ll c){a=(b+c)%MOD;} void qmod(ll &a,ll b){a=(a*b)%MOD;} void qmod(ll &a,ll b,ll c){a=(b*c)%MOD;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2> void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T> void debug(vector<vector<T>>v,ll h,ll w){for(ll i=0;i<h;i++) {cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>v,ll h,ll w){for(ll i=0;i<h;i++) {for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T> void debug(vector<T>v,ll n){cout<<v[0]; for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T> vector<vector<T>>vec(ll x, ll y, T w){ vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} template<typename T> void emp(map<T,ll>&m, T x){m.emplace(x,0).first->second++;} template<typename T> struct SegmentTree{ using F = function<T(T,T)>; vector<T> data; ll n,lastlen = 1; F func = [](T a, T b){return a > b ? a : b;}; T iden = 0; //identity element SegmentTree(vector<T> v){ n = (ll)v.size(); while(lastlen < n)lastlen *= 2; data.assign(lastlen*2-1,iden); for(ll i=0;i<n;i++)data[i+lastlen-1] = v[i]; for(ll i=lastlen-2;i>=0;i--){ data[i] = func(data[2*i+1], data[2*i+2]); } } void update(ll point, T x){ point+=lastlen-1; data[point] = x; while(point!=0){ point=(point-1)/2; data[point]=func(data[2*point+1],data[2*point+2]); } } T query(ll a,ll b,ll point=0,ll left=0,ll right=-1){ if(right<0)right=lastlen; T ret = iden; if(b <= left || right <= a); else if(a <= left && right <= b ){ ret = func(ret, data[point]); } else{ T p,q; p = query(a,b,point*2+1,left, (left+right)/2); q = query(a,b,point*2+2,(left+right)/2, right); ret = func(ret,p); ret = func(ret,q); } return ret; } T lower_bound(ll p,ll x){ ll sumbuf=iden, l=p,r=p+1; p = p + lastlen - 1; while(1){ if(func(sumbuf,data[p]) < x){ if(p%2==1){ p = (p-1)/2; r = l + (r-l)*2; } else if(r>=n){ return n; } else{ func(sumbuf,data[p]); p >>= 1; ll x = r + (r-l)*2; l = r; r = x; } } else if(p >= lastlen - 1)return r - 1; else if(func(sumbuf,data[2*p+1]) < x){ sumbuf = func(sumbuf, data[2*p+1]); p = 2*p+2; l = (r+l)/2; } else{ p = 2*p+1; r = (r+l)/2; } } } }; template<typename T> struct BIT{ ll n; ll k=1; vector<T>data; BIT(ll size):n(size){ data.assign(n,0); while(k*2<=n)k*=2; } void add(ll a,T w){ for(ll i=a+1;i<=n;i+=i&-i)data[i-1]+=w; } T sum(ll a){ T ret = 0; for(ll i=a+1;i>0;i-=i&-i)ret+=data[i-1]; return ret; } T sum(ll a,ll b){return a==0?sum(b):sum(b)-sum(a-1);} ll lower_bound(ll x){ ll ret=0; for(ll i=k;i>0;i/=2){ if(ret+i<=n&&data[ret+i-1]<x){ x-=data[ret+i-1]; ret+=i; } } return ret; } }; int main(){ cin.tie(NULL); ios_base::sync_with_stdio(false); ll res=0,res1=INF,res2=-INF,buf=0; bool judge = true; ll n,q;cin>>n>>q; vector<ll>a(n); rep(i,0,n)cin>>a[i]; auto b=a; reverse(ALL(b)); vector<pair<P,ll>>r(q); rep(i,0,q){ ll k;cin>>k; ll x,y;cin>>x>>y; r[i].fi.se=x-1; r[i].fi.fi=y-1; r[i].se=i; } sort(ALL(r)); SegmentTree<ll>segtree(b); BIT<ll>bit(n); ll idx=0; vector<ll>ret(q); rep(i,0,q){ while(idx<n&&idx<=r[i].fi.fi){ ll x=n-segtree.lower_bound(n-idx-1,a[idx]+1); //cout<<a[idx] spa x spa i<<endl; bit.add(x,1); bit.add(idx+1,-1); idx++; } ret[r[i].se]=bit.sum(r[i].fi.se); } rep(i,0,q)cout<<ret[i]<<endl; return 0; }