oj.uz

Submission #364577

# Submission time Handle Problem Language Result Execution time Memory
364577 2021-02-09T13:31:03 Z daniel920712 Fortune Telling 2 (JOI14_fortune_telling2) C++14
4 / 100
 165 ms 114020 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,have;
vector < int > Cha;
map < pair < int ,int > , int > all2;
pair < pair < vector < pair < pair < int ,int > , int > > , vector < pair < pair < int ,int > , int > > > , vector < pair < int , pair < int , int > > > > query[1000005];
struct B
{
    int l,r;
    int nxl,nxr;
    int con;
}Node2[200005*35];
int now=1,now2=1;

int Find(int y,int here)
{
    int t=0;
    if(here==-1) return 0;
    if(all2.upper_bound((make_pair(y+1,(int) -1)))==all2.begin()) t=0;
    else
    {

        auto a=*prev(all2.upper_bound(make_pair(y+1,(int) -1)));
        if(a.first.first<=y&&a.first.second>=y) t+=a.second;
    }
    return t;
}
int Find2(int l,int r,int here)
{
    int t=0;
    if(here==-1) return 0;
    t=0;
    if(l==Node2[here].l&&r==Node2[here].r) return Node2[here].con;
    if(r<=(Node2[here].l+Node2[here].r)/2) return Find2(l,r,Node2[here].nxl);
    else if(l>(Node2[here].l+Node2[here].r)/2) return Find2(l,r,Node2[here].nxr);
    else return Find2(l,(Node2[here].l+Node2[here].r)/2,Node2[here].nxl)+Find2((Node2[here].l+Node2[here].r)/2+1,r,Node2[here].nxr);
}
void add2(int where,int here)
{
    Node2[here].con++;
    if(where==Node2[here].l&&where==Node2[here].r) return;
    if(where<=(Node2[here].l+Node2[here].r)/2)
    {
        add2(where,Node2[here].nxl);
    }
    else
    {

        add2(where,Node2[here].nxr);
    }

}
int cha(int here)
{
    return lower_bound(Cha.begin(),Cha.end(),here)-Cha.begin();
}
void add(int l1,int r1,int l2,int r2,int con,int here)
{
    l1=cha(l1);
    r1=cha(r1+1);
    query[l1].first.first.push_back(make_pair(make_pair(l2,r2),con));
    query[r1].first.second.push_back(make_pair(make_pair(l2,r2),con));
}
void build2(int l,int r,int here)
{
    Node2[here].l=l;
    Node2[here].r=r;
    Node2[here].con=0;
    if(l==r) return;
    Node2[here].nxl=now2++;
    Node2[here].nxr=now2++;
    build2(l,(l+r)/2,Node2[here].nxl);
    build2((l+r)/2+1,r,Node2[here].nxr);
}
int main()
{
    int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
    long long ans=0;
    scanf("%d %d",&N,&K);
    build2(0,1e6,0);
    for(i=0;i<N;i++)
    {
        scanf("%d %d",&x[i],&y[i]);
        have.insert(x[i]);

    }
    for(i=1;i<=K;i++)
    {
        scanf("%d",&all[i].first);
        all[i].second=i;
        have.insert(all[i].first);
        have.insert(all[i].first+1);
    }
    have.insert(0);
    have.insert(0+1);
    have.insert(1e9+5);
    have.insert(1e9+5+1);
    for(auto i:have) Cha.push_back(i);
    for(i=0;i<N;i++) query[cha(x[i])].second.push_back(make_pair(y[i],make_pair(x[i],y[i])));
    vis.insert(0);
    vis.insert(1e9+5);

    for(i=K;i>=1;i--)
    {
        con=0;
        con2=0;
        con=Find2(cha(all[i].first+1),cha(1e9+5),0);
        for(j=i+1;j<=K;j++) if(all[j].first>all[i].first) con2++;

        if(vis.find(all[i].first)!=vis.end())
        {
            add2(all[i].first,0);
            continue;
        }
        tt=*vis.upper_bound(all[i].first);
        tt2=*prev(vis.upper_bound(all[i].first));
        if(con2%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(cha(all[i].first),0);

    }

    //if(N>1000||K>1000) return 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);
    
    if(N>1000||K>1000) return 0;


    for(i=0;i<1000000;i++)
    {
        for(auto j:query[i].first.second) all2.erase(j.first);
        for(auto j:query[i].first.first) all2[j.first]=j.second;
        for(auto j:query[i].second)
        {
            if(Find(j.first,0)==1) ans+=j.second.first;
            else ans+=j.second.second;
        }

    }
    printf("%lld\n",ans);

    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'int Find2(int, int, int)':
fortune_telling2.cpp:48:9: warning: variable 't' set but not used [-Wunused-but-set-variable]
   48 |     int t=0;
      |         ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:95:17: warning: variable 'con' set but not used [-Wunused-but-set-variable]
   95 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
      |                 ^~~
fortune_telling2.cpp:95:21: warning: unused variable 'ok' [-Wunused-variable]
   95 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
      |                     ^~
fortune_telling2.cpp:95:40: warning: unused variable 'ttt' [-Wunused-variable]
   95 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
      |                                        ^~~
fortune_telling2.cpp:97:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   97 |     scanf("%d %d",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~
fortune_telling2.cpp:101:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  101 |         scanf("%d %d",&x[i],&y[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:107:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  107 |         scanf("%d",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 110316 KB Output is correct
2 Correct 91 ms 110444 KB Output is correct
3 Correct 90 ms 110316 KB Output is correct
4 Correct 92 ms 110400 KB Output is correct
5 Correct 90 ms 110316 KB Output is correct
6 Correct 90 ms 110316 KB Output is correct
7 Correct 91 ms 110316 KB Output is correct
8 Correct 91 ms 110316 KB Output is correct
9 Correct 89 ms 110316 KB Output is correct
10 Correct 89 ms 110188 KB Output is correct
11 Correct 89 ms 110316 KB Output is correct
12 Correct 90 ms 110316 KB Output is correct
13 Correct 90 ms 110316 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 110316 KB Output is correct
2 Correct 91 ms 110444 KB Output is correct
3 Correct 90 ms 110316 KB Output is correct
4 Correct 92 ms 110400 KB Output is correct
5 Correct 90 ms 110316 KB Output is correct
6 Correct 90 ms 110316 KB Output is correct
7 Correct 91 ms 110316 KB Output is correct
8 Correct 91 ms 110316 KB Output is correct
9 Correct 89 ms 110316 KB Output is correct
10 Correct 89 ms 110188 KB Output is correct
11 Correct 89 ms 110316 KB Output is correct
12 Correct 90 ms 110316 KB Output is correct
13 Correct 90 ms 110316 KB Output is correct
14 Incorrect 165 ms 114020 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 110316 KB Output is correct
2 Correct 91 ms 110444 KB Output is correct
3 Correct 90 ms 110316 KB Output is correct
4 Correct 92 ms 110400 KB Output is correct
5 Correct 90 ms 110316 KB Output is correct
6 Correct 90 ms 110316 KB Output is correct
7 Correct 91 ms 110316 KB Output is correct
8 Correct 91 ms 110316 KB Output is correct
9 Correct 89 ms 110316 KB Output is correct
10 Correct 89 ms 110188 KB Output is correct
11 Correct 89 ms 110316 KB Output is correct
12 Correct 90 ms 110316 KB Output is correct
13 Correct 90 ms 110316 KB Output is correct
14 Incorrect 165 ms 114020 KB Output isn't correct
15 Halted 0 ms 0 KB -