oj.uz

답안 #364420

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
364420 2021-02-09T05:48:24 Z daniel920712 운세 보기 2 (JOI14_fortune_telling2) C++14
4 / 100
 698 ms 262148 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[200005*25+5];
struct B
{
    int l,r;
    int nxl,nxr;
    int con;

}Node2[1000005];
int now=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;
}
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;
}
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);
    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;
        for(j=i+1;j<=K;j++) if(all[j].first>all[i].first) 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);
    }
    New(0,1e9+5,-1,0);
    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 add(int, int, int, int, int, int)':
fortune_telling2.cpp:66:9: warning: unused variable 't' [-Wunused-variable]
   66 |     int t;
      |         ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:119:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  119 |     scanf("%d %d",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~
fortune_telling2.cpp:120:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  120 |     for(i=0;i<N;i++) scanf("%d %d",&x[i],&y[i]);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:123:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  123 |         scanf("%d",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 138 ms 236396 KB Output is correct
2 Correct 138 ms 236396 KB Output is correct
3 Correct 144 ms 236396 KB Output is correct
4 Correct 140 ms 236524 KB Output is correct
5 Correct 139 ms 236396 KB Output is correct
6 Correct 138 ms 236396 KB Output is correct
7 Correct 139 ms 236396 KB Output is correct
8 Correct 138 ms 236440 KB Output is correct
9 Correct 139 ms 236396 KB Output is correct
10 Correct 135 ms 235372 KB Output is correct
11 Correct 139 ms 236396 KB Output is correct
12 Correct 138 ms 236396 KB Output is correct
13 Correct 140 ms 236556 KB Output is correct

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 138 ms 236396 KB Output is correct
2 Correct 138 ms 236396 KB Output is correct
3 Correct 144 ms 236396 KB Output is correct
4 Correct 140 ms 236524 KB Output is correct
5 Correct 139 ms 236396 KB Output is correct
6 Correct 138 ms 236396 KB Output is correct
7 Correct 139 ms 236396 KB Output is correct
8 Correct 138 ms 236440 KB Output is correct
9 Correct 139 ms 236396 KB Output is correct
10 Correct 135 ms 235372 KB Output is correct
11 Correct 139 ms 236396 KB Output is correct
12 Correct 138 ms 236396 KB Output is correct
13 Correct 140 ms 236556 KB Output is correct
14 Correct 295 ms 245624 KB Output is correct
15 Correct 519 ms 254956 KB Output is correct
16 Runtime error 698 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 138 ms 236396 KB Output is correct
2 Correct 138 ms 236396 KB Output is correct
3 Correct 144 ms 236396 KB Output is correct
4 Correct 140 ms 236524 KB Output is correct
5 Correct 139 ms 236396 KB Output is correct
6 Correct 138 ms 236396 KB Output is correct
7 Correct 139 ms 236396 KB Output is correct
8 Correct 138 ms 236440 KB Output is correct
9 Correct 139 ms 236396 KB Output is correct
10 Correct 135 ms 235372 KB Output is correct
11 Correct 139 ms 236396 KB Output is correct
12 Correct 138 ms 236396 KB Output is correct
13 Correct 140 ms 236556 KB Output is correct
14 Correct 295 ms 245624 KB Output is correct
15 Correct 519 ms 254956 KB Output is correct
16 Runtime error 698 ms 262148 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -