답안 #268436

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
268436 2020-08-16T11:48:27 Z stefantaga 사다리꼴 (balkan11_trapezoid) C++14
100 / 100
348 ms 25080 KB
#include <bits/stdc++.h>
#define MOD 30013
using namespace std;
int n,i;
struct wow
{
    int x,y,x2,y2;
}v[100005];
struct arbore
{
    int maxim,nr;
};
arbore aib[200005];
arbore adauga (arbore a,arbore b)
{
    arbore c=a;
    if (c.maxim<b.maxim)
    {
        c.maxim=b.maxim;
        c.nr=0;
    }
    if (c.maxim==b.maxim)
    {
        c.nr=c.nr+b.nr;
        if (c.nr>=MOD)
        {
            c.nr-=MOD;
        }
    }
    return c;
}
int ub (int x)
{
    return x&(-x);
}
void update (int poz,arbore val)
{
    int i;
    for (i=poz;i<=2*n;i+=ub(i))
    {
        aib[i]=adauga(aib[i],val);
    }
}
arbore query (int poz)
{
    int i;
    arbore suma={0,0};
    for (i=poz;i>=1;i-=ub(i))
    {
       suma= adauga(suma,aib[i]);
    }
    return suma;
}
bool compare (wow a,wow b)
{
    return a.x<b.x||(a.x==b.x&&a.y<b.y);
}
pair <int,int> v2[100005];
int b[100005];
int caut (int val)
{
    int st=1,dr=n,sol=0,mij;
    while (st<=dr)
    {
        mij=(st+dr)/2;
        if (val>b[mij])
        {
            sol=mij;
            st=mij+1;
        }
        else
        {
            dr=mij-1;
        }
    }
    return sol;
}
int v3[105],maxim,poz,lung[100005],nr,tip,pozitie;
map <int,int> m1;
map <int,int> m2;
pair <int,int> events[200005];
arbore din[200005],rez;
int main()
{
    ios  :: sync_with_stdio(false);
    cin.tie(0);
    #ifdef HOME
    ifstream cin("trapezoid.in");
    ofstream cout("trapezoid.out");
    #endif // HOME
    cin>>n;
    for (i=1;i<=n;i++)
    {
        cin>>v[i].x>>v[i].y>>v[i].x2>>v[i].y2;
        m1[v[i].x]=1;
        m1[v[i].y]=1;
        m2[v[i].x2]=1;
        m2[v[i].y2]=1;
    }
    nr=0;
    for (auto ind : m1)
    {
        nr++;
        m1[ind.first]=nr;
    }
    nr=0;
    for (auto ind : m2)
    {
        nr++;
        m2[ind.first]=nr;
    }
    for (i=1;i<=n;i++)
    {
        v[i].x=m1[v[i].x];
        v[i].y=m1[v[i].y];
        v[i].x2=m2[v[i].x2];
        v[i].y2=m2[v[i].y2];
        events[v[i].x]={i,1};
        events[v[i].y]={i,-1};
    }
    for (i=1;i<=2*n;i++)
    {
        pozitie=events[i].first;
        tip=events[i].second;
        if (tip==1)
        {
            din[pozitie]=query(v[pozitie].x2);
            if (!din[pozitie].nr)
            {
                din[pozitie].nr++;
            }
            din[pozitie].maxim++;
        }
        else
        if (tip==-1)
        {
            update(v[pozitie].y2,din[pozitie]);
        }
    }
    for (i=0;i<=2*n;i++)
    {
        rez=adauga(rez,din[i]);
    }
    cout<<rez.maxim<<" "<<rez.nr<<'\n';
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 4 ms 896 KB Output is correct
6 Correct 6 ms 1152 KB Output is correct
7 Correct 9 ms 1408 KB Output is correct
8 Correct 12 ms 1664 KB Output is correct
9 Correct 29 ms 3192 KB Output is correct
10 Correct 48 ms 5624 KB Output is correct
11 Correct 65 ms 6904 KB Output is correct
12 Correct 182 ms 12920 KB Output is correct
13 Correct 194 ms 15480 KB Output is correct
14 Correct 267 ms 17788 KB Output is correct
15 Correct 323 ms 18936 KB Output is correct
16 Correct 322 ms 20356 KB Output is correct
17 Correct 340 ms 21424 KB Output is correct
18 Correct 254 ms 22628 KB Output is correct
19 Correct 293 ms 23672 KB Output is correct
20 Correct 348 ms 25080 KB Output is correct