Submission #945608

#	Time	Username	Problem	Language	Result	Execution time	Memory
945608		vjudge1	trapezoid (balkan11_trapezoid)	C++17	46 / 100	137 ms	15060 KiB

trapezoid

#include<bits/stdc++.h>
using namespace std;
struct C{
    int x=0,y=0;
    void operator+=(C z){
        if(x<z.x)
            x=z.x,y=0;
        if(x==z.x)
            y+=z.y;
    }
} T[1<<18],ans[1<<18],res;
map<int,int> mp;
int cnt;
void upd(int x,C z){
    while(x<=cnt)
        T[x]+=z,x+=x&-x;
}
C q(int x){
    C z;
    while(x)
        z+=T[x],x-=x&-x;
    return z;
}
priority_queue<array<int,4>,vector<array<int,4>>,greater<>>pq;
int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin>>n;
    for(int i=0;i<n;i++){
        int a,b,c,d;
        cin>>a>>b>>c>>d;
        pq.push({a,c,1,i});
        pq.push({b,d,0,i});
        mp[c],mp[d];
    }
    for(auto&[i,j]:mp)
        j=++cnt;
    upd(1,{0,1});
    while(pq.size()){
        auto[a,b,c,d]=pq.top();
        pq.pop();
        if(c)
            ans[d]=q(mp[b]),ans[d].x++;
        else
            upd(mp[b],ans[d]);
    }
    for(int i=0;i<n;i++)
        res+=ans[i];
    cout<<res.x<<' '<<res.y;
}

• Subtask 1: 46 / 100