oj.uz

답안 #364424

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
364424 2021-02-09T05:59:34 Z daniel920712 운세 보기 2 (JOI14_fortune_telling2) C++14
4 / 100
 442 ms 104148 KB 
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <algorithm>
#include <string.h>
#include <map>
#include <vector>
#include <set>

using namespace std;
int x[200005],y[200005];
pair < int , int > all[200005];
vector < pair < pair < int , int > , pair < int , int > > > a,b;
bool F(pair < int , int > a,pair < int , int > b)
{
    if(a.first>b.first) return 1;
    if(a.first<b.first) return 0;
    return a.second<b.second;
}
set < int > vis;
struct A
{
    int l,r;
    int nxl,nxr,nxt;
    int add;
    vector < pair < pair < int ,int > , int > > all;
}Node[40005*35+5];
struct B
{
    int l,r;
    int nxl,nxr;
    int con;
}Node2[1000005];
int now=1,now2=1;
void New(int l,int r,int a,int here)
{
    if((l+r)<0) while(1);
    Node[here].l=l;
    Node[here].r=r;
    Node[here].add=0;
    Node[here].nxl=-1;
    Node[here].nxr=-1;
    Node[here].nxt=a;
}
void New2(int l,int r,int here)
{
    if((l+r)<0) while(1);
    Node2[here].l=l;
    Node2[here].r=r;
    Node2[here].con=0;
    Node2[here].nxl=-1;
    Node2[here].nxr=-1;
}
int Find(int x,int y,int here)
{
    int t=0;
    if(here==-1) return 0;
    if(upper_bound(Node[here].all.begin(),Node[here].all.end(),make_pair(make_pair(y+1,(int) -1),(int) -1))==Node[here].all.begin()) t=0;
    else
    {

        auto a=*prev(upper_bound(Node[here].all.begin(),Node[here].all.end(),make_pair(make_pair(y+1,(int) -1),(int) -1)));
        if(a.first.first<=y&&a.first.second>=y) t+=a.second;
    }
    if(Node[here].l==Node[here].r) return t;
    if(x<=(Node[here].l+Node[here].r)/2) t+=Find(x,y,Node[here].nxl);
    else t+=Find(x,y,Node[here].nxr);

    return t;
}
int Find2(int l,int r,int here)
{
    int t=0;
    if(here==-1) return 0;
    t=0;
    //printf("%d\n",Node2[here].con);
    if(l==Node2[here].l&&r==Node2[here].r) return Node2[here].con;
    if(r<=(Node2[here].l+Node2[here].r)/2) t+=Find2(l,r,Node2[here].nxl);
    else if(l>(Node2[here].l+Node2[here].r)/2) t+=Find2(l,r,Node2[here].nxr);
    else
    {
        t+=Find2(l,(Node2[here].l+Node2[here].r)/2,Node2[here].nxl);
        t+=Find2((Node2[here].l+Node2[here].r)/2+1,r,Node2[here].nxr);
    }
    return t;
}
void add2(int where,int here)
{
    int t;
    Node2[here].con++;
    if(where==Node2[here].l&&where==Node2[here].r) return;

    if(where<=(Node2[here].l+Node2[here].r)/2)
    {
        if(Node2[here].nxl==-1)
        {
            Node2[here].nxl=now2++;
            New2(Node2[here].l,(Node2[here].l+Node2[here].r)/2,Node2[here].nxl);
        }
        add2(where,Node2[here].nxl);
    }
    else
    {
        if(Node2[here].nxr==-1)
        {
            Node2[here].nxr=now2++;
            New2((Node2[here].l+Node2[here].r)/2+1,Node2[here].r,Node2[here].nxr);
        }
        add2(where,Node2[here].nxr);
    }

}
void add(int l1,int r1,int l2,int r2,int con,int here)
{
    int t;

    if(l1==Node[here].l&&r1==Node[here].r)
    {
        Node[here].all.push_back(make_pair(make_pair(l2,r2),con));
        return;
    }
    if(r1<=(Node[here].l+Node[here].r)/2)
    {
        if(Node[here].nxl==-1)
        {
            Node[here].nxl=now++;
            New(Node[here].l,(Node[here].l+Node[here].r)/2,-1,Node[here].nxl);
        }
        add(l1,r1,l2,r2,con,Node[here].nxl);
    }
    else if(l1>(Node[here].l+Node[here].r)/2)
    {
        if(Node[here].nxr==-1)
        {
            Node[here].nxr=now++;
            New((Node[here].l+Node[here].r)/2+1,Node[here].r,-1,Node[here].nxr);
        }
        add(l1,r1,l2,r2,con,Node[here].nxr);
    }
    else
    {
        if(Node[here].nxl==-1)
        {
            Node[here].nxl=now++;
            New(Node[here].l,(Node[here].l+Node[here].r)/2,-1,Node[here].nxl);
        }
        add(l1,(Node[here].l+Node[here].r)/2,l2,r2,con,Node[here].nxl);
        if(Node[here].nxr==-1)
        {
            Node[here].nxr=now++;
            New((Node[here].l+Node[here].r)/2+1,Node[here].r,-1,Node[here].nxr);
        }
        add((Node[here].l+Node[here].r)/2+1,r1,l2,r2,con,Node[here].nxr);

    }
}
void BFS(int here)
{
    if(here==-1) return ;
    sort(Node[here].all.begin(),Node[here].all.end());
    BFS(Node[here].nxl);
    BFS(Node[here].nxr);
}
int main()
{
    int N,K,i,j,con,ok=0,con2=0,tt,tt2;
    long long ans=0;
    scanf("%d %d",&N,&K);
    New(0,1e9+5,-1,0);
    New2(0,1e9+5,0);
    for(i=0;i<N;i++) scanf("%d %d",&x[i],&y[i]);
    for(i=1;i<=K;i++)
    {
        scanf("%d",&all[i].first);
        all[i].second=i;
    }
    vis.insert(0);
    vis.insert(1e9+5);

    for(i=K;i>=1;i--)
    {
        con=0;
        con=Find2(all[i].first+1,1e9+5,0);
        //printf("aa %d\n",con);
        if(vis.find(all[i].first)!=vis.end()) continue;
        tt=*vis.upper_bound(all[i].first);
        tt2=*prev(vis.upper_bound(all[i].first));
        if(con%2==0)
        {
            a.push_back(make_pair(make_pair(all[i].first+1,tt),make_pair(tt2+1,all[i].first)));
            b.push_back(make_pair(make_pair(tt2+1,all[i].first),make_pair(all[i].first+1,tt)));
        }
        else
        {
            b.push_back(make_pair(make_pair(all[i].first+1,tt),make_pair(tt2+1,all[i].first)));
            a.push_back(make_pair(make_pair(tt2+1,all[i].first),make_pair(all[i].first+1,tt)));
        }
        vis.insert(all[i].first);
        add2(all[i].first,0);
    }

    all[0].first=1e9+5;
    all[0].second=0;
    sort(all+1,all+K+1,F);
    all[K+1].first=0;
    all[K+1].second=K+1;
    for(i=1;i<=K+1;i++)
    {
        con=0;
        con2=i;

        if(all[i].first!=all[i-1].first)
        {
            if(con2%2==1) a.push_back(make_pair(make_pair(all[i].first+1,all[i-1].first),make_pair(all[i].first+1,all[i-1].first)));
            else b.push_back(make_pair(make_pair(all[i].first+1,all[i-1].first),make_pair(all[i].first+1,all[i-1].first)));
        }
    }

    for(auto j:a) add(j.first.first,j.first.second,j.second.first,j.second.second,1,0);

    for(auto j:b) add(j.first.first,j.first.second,j.second.first,j.second.second,1e9,0);

    BFS(0);


    for(i=0;i<N;i++)
    {
        ok=0;
        ok=Find(x[i],y[i],0);
        if(ok==1000000000) ans+=(long long)y[i];
        else if(ok==1) ans+=(long long)x[i];
        else while(1);
    }
    printf("%lld\n",ans);

    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'void add2(int, int)':
fortune_telling2.cpp:90:9: warning: unused variable 't' [-Wunused-variable]
   90 |     int t;
      |         ^
fortune_telling2.cpp: In function 'void add(int, int, int, int, int, int)':
fortune_telling2.cpp:116:9: warning: unused variable 't' [-Wunused-variable]
  116 |     int t;
      |         ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:167:15: warning: unused variable 'j' [-Wunused-variable]
  167 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2;
      |               ^
fortune_telling2.cpp:169:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  169 |     scanf("%d %d",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~
fortune_telling2.cpp:172:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  172 |     for(i=0;i<N;i++) scanf("%d %d",&x[i],&y[i]);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:175:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  175 |         scanf("%d",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 67820 KB Output is correct
2 Correct 48 ms 67948 KB Output is correct
3 Correct 47 ms 67820 KB Output is correct
4 Correct 47 ms 67820 KB Output is correct
5 Correct 47 ms 67820 KB Output is correct
6 Correct 47 ms 67820 KB Output is correct
7 Correct 49 ms 67820 KB Output is correct
8 Correct 49 ms 67820 KB Output is correct
9 Correct 47 ms 67820 KB Output is correct
10 Correct 41 ms 66304 KB Output is correct
11 Correct 47 ms 67820 KB Output is correct
12 Correct 48 ms 67836 KB Output is correct
13 Correct 51 ms 67820 KB Output is correct

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 67820 KB Output is correct
2 Correct 48 ms 67948 KB Output is correct
3 Correct 47 ms 67820 KB Output is correct
4 Correct 47 ms 67820 KB Output is correct
5 Correct 47 ms 67820 KB Output is correct
6 Correct 47 ms 67820 KB Output is correct
7 Correct 49 ms 67820 KB Output is correct
8 Correct 49 ms 67820 KB Output is correct
9 Correct 47 ms 67820 KB Output is correct
10 Correct 41 ms 66304 KB Output is correct
11 Correct 47 ms 67820 KB Output is correct
12 Correct 48 ms 67836 KB Output is correct
13 Correct 51 ms 67820 KB Output is correct
14 Correct 158 ms 79972 KB Output is correct
15 Correct 296 ms 92252 KB Output is correct
16 Incorrect 442 ms 104148 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 67820 KB Output is correct
2 Correct 48 ms 67948 KB Output is correct
3 Correct 47 ms 67820 KB Output is correct
4 Correct 47 ms 67820 KB Output is correct
5 Correct 47 ms 67820 KB Output is correct
6 Correct 47 ms 67820 KB Output is correct
7 Correct 49 ms 67820 KB Output is correct
8 Correct 49 ms 67820 KB Output is correct
9 Correct 47 ms 67820 KB Output is correct
10 Correct 41 ms 66304 KB Output is correct
11 Correct 47 ms 67820 KB Output is correct
12 Correct 48 ms 67836 KB Output is correct
13 Correct 51 ms 67820 KB Output is correct
14 Correct 158 ms 79972 KB Output is correct
15 Correct 296 ms 92252 KB Output is correct
16 Incorrect 442 ms 104148 KB Output isn't correct
17 Halted 0 ms 0 KB -