結果

問題 No.878 Range High-Element Query
ユーザー mtsdmtsd
提出日時 2019-09-06 22:47:10
言語 C++11
(gcc 11.4.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 3,813 bytes
コンパイル時間 667 ms
コンパイル使用メモリ 87,944 KB
最終ジャッジ日時 2024-06-24 20:19:16
合計ジャッジ時間 1,238 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge5
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コンパイルメッセージ
main.cpp: In constructor ‘segtreemx<T>::segtreemx(std::vector<_Tp>&)’:
main.cpp:85:28: error: ‘numeric_limits’ was not declared in this scope
   85 |         node.resize(2*n-1, numeric_limits<T>::min());
      |                            ^~~~~~~~~~~~~~
main.cpp:85:44: error: expected primary-expression before ‘>’ token
   85 |         node.resize(2*n-1, numeric_limits<T>::min());
      |                                            ^
main.cpp:85:50: error: no matching function for call to ‘min()’
   85 |         node.resize(2*n-1, numeric_limits<T>::min());
      |                                             ~~~~~^~
In file included from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from main.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:230:5: note: candidate: ‘template<class _Tp> const _Tp& std::min(const _Tp&, const _Tp&)’
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
main.cpp:85:50: note:   candidate expects 2 arguments, 0 provided
   85 |         node.resize(2*n-1, numeric_limits<T>::min());
      |                                             ~~~~~^~
In file included from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from main.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:278:5: note: candidate: ‘template<class _Tp, class _Compare> const _Tp& std::min(const _Tp&, const _Tp&, _Compare)’
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
main.cpp:8

ソースコード

diff # 

#include <iostream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <utility>
#include <queue>
#include <set>
#include <map>
#include <deque>
#include <iomanip>
#include <cstdio>
#include <stack>
#include <numeric>
#include <cassert>
using namespace std;
typedef  long long ll;
typedef pair<int,int> PII;
typedef vector<int> VI;
typedef vector<VI> VVI;
#define  MP make_pair
#define  PB push_back
#define inf 1000000007
#define mod 1000000007
#define rep(i,n) for(int i=0;i<(int)(n);++i)
#define int long long

template<typename T> class segtree{
private:
    int n,sz;
    vector<T> node;
public:
    segtree(vector<T>& v) : sz((int)v.size()){
        n = 1;
        while(n < sz){
            n *= 2;
        }
        node.resize(2*n-1,0);
        for(int i = 0; i < sz; i++){
            node[i+n-1] = v[i];
        }
        for(int i=n-2; i>=0; i--){
            node[i] = node[i*2+1]+node[i*2+2];
        }
    }
    void update(int k,T a){
    	k += n-1;
    	node[k] = a;
    	while(k>0){
            k = (k-1)/2;
            node[k] = node[2*k+1]+node[2*k+2];
    	}
    }
    T query(int a,int b,int k=0,int l=0,int r=-1){
        if(r < 0) r = n;
    	if(r <= a || b <= l){
            return 0;
    	}
    	if(a <= l && r <= b){
            return node[k];
    	}else{
            T vl = query(a,b,2*k+1,l,(l+r)/2);
            T vr = query(a,b,2*k+2,(l+r)/2,r);
            return vl+vr;
    	}
    }
    void print(){
        for(int i = 0; i < sz; i++){
            cout<<query(i,i+1)<< " ";
        }
        cout<<endl;
    }
};

template<typename T> class segtreemx{
private:
    int n,sz;
    vector<T> node;
public:
    segtreemx(vector<T>& v) : sz((int)v.size()){
        n = 1;
        while(n < sz){
            n *= 2;
        }
        node.resize(2*n-1, numeric_limits<T>::min());
        for(int i = 0; i < sz; i++){
            node[i+n-1] = v[i];
        }
        for(int i=n-2; i>=0; i--){
            node[i] = max(node[i*2+1], node[i*2+2]);
        }
    }
    void update(int k,T a){
    	k += n-1;
    	node[k] = a;
    	while(k>0){
            k = (k-1)/2;
            node[k] = max(node[2*k+1],node[2*k+2]);
    	}
    }
    T query(int a,int b,int k=0,int l=0,int r=-1){
        if(r < 0) r = n;
    	if(r <= a || b <= l){
            return numeric_limits<T>::min();
    	}
    	if(a <= l && r <= b){
            return node[k];
    	}else{
            T vl = query(a,b,2*k+1,l,(l+r)/2);
            T vr = query(a,b,2*k+2,(l+r)/2,r);
            return max(vl,vr);
    	}
    }
    void print(){
        for(int i = 0; i < sz; i++){
            cout<<query(i,i+1)<< " ";
        }
        cout<<endl;
    }
};

signed main(){
    int n,q;
    cin >> n >> q;
    vector<int>a(n);
    rep(i,n)cin >> a[i];
    set<pair<int,int> > st;
    vector<int>b(n);
    segtreemx<int>sgg(a);
    rep(i,n){
        int ng = -1;
        int ok = i;
        while(ok-ng>1){
            int mid = (ok+ng)/2;
            if(sgg.query(mid,i)>a[i]){
                ng = mid;
            }else{
                ok = mid;
            }
        }
        b[i] = ok;
        //cerr << b[i] << endl;
    }
    vector<pair<pair<int,int>,int> >  s;
    rep(i,q){
        int a,l,r;
        cin >> a >> l >> r;
        l--;
        r--;
        s.push_back(MP(MP(l,r),inf+i));
    }
    rep(i,n){
        s.push_back(MP(MP(b[i],-1),i));
    }
    sort(s.begin(),s.end());
    vector<int>c(n);
    segtree<int>sg(c);
    vector<int>res(q);
    rep(i,n+q){
        if(s[i].first.second==-1){
            //cerr << i << " " << s[i].second << endl;
            sg.update(s[i].second,1);
        }else{
            res[s[i].second-inf] = sg.query(s[i].first.first,s[i].first.second+1);
        }
    }
    rep(i,q){
        cout << res[i] << endl;
    }
    return 0;
}
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