oj.uz

Submission #364572

# Submission time Handle Problem Language Result Execution time Memory
364572 2021-02-09T13:29:17 Z daniel920712 Fortune Telling 2 (JOI14_fortune_telling2) C++14
4 / 100
 3000 ms 118112 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>40000||K>40000) 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);



    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 93 ms 110316 KB Output is correct
2 Correct 89 ms 110444 KB Output is correct
3 Correct 92 ms 110444 KB Output is correct
4 Correct 90 ms 110316 KB Output is correct
5 Correct 89 ms 110316 KB Output is correct
6 Correct 91 ms 110444 KB Output is correct
7 Correct 90 ms 110316 KB Output is correct
8 Correct 94 ms 110572 KB Output is correct
9 Correct 94 ms 110316 KB Output is correct
10 Correct 91 ms 110188 KB Output is correct
11 Correct 90 ms 110316 KB Output is correct
12 Correct 91 ms 110316 KB Output is correct
13 Correct 91 ms 110572 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 110316 KB Output is correct
2 Correct 89 ms 110444 KB Output is correct
3 Correct 92 ms 110444 KB Output is correct
4 Correct 90 ms 110316 KB Output is correct
5 Correct 89 ms 110316 KB Output is correct
6 Correct 91 ms 110444 KB Output is correct
7 Correct 90 ms 110316 KB Output is correct
8 Correct 94 ms 110572 KB Output is correct
9 Correct 94 ms 110316 KB Output is correct
10 Correct 91 ms 110188 KB Output is correct
11 Correct 90 ms 110316 KB Output is correct
12 Correct 91 ms 110316 KB Output is correct
13 Correct 91 ms 110572 KB Output is correct
14 Correct 182 ms 114164 KB Output is correct
15 Correct 363 ms 118112 KB Output is correct
16 Execution timed out 3093 ms 117732 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 110316 KB Output is correct
2 Correct 89 ms 110444 KB Output is correct
3 Correct 92 ms 110444 KB Output is correct
4 Correct 90 ms 110316 KB Output is correct
5 Correct 89 ms 110316 KB Output is correct
6 Correct 91 ms 110444 KB Output is correct
7 Correct 90 ms 110316 KB Output is correct
8 Correct 94 ms 110572 KB Output is correct
9 Correct 94 ms 110316 KB Output is correct
10 Correct 91 ms 110188 KB Output is correct
11 Correct 90 ms 110316 KB Output is correct
12 Correct 91 ms 110316 KB Output is correct
13 Correct 91 ms 110572 KB Output is correct
14 Correct 182 ms 114164 KB Output is correct
15 Correct 363 ms 118112 KB Output is correct
16 Execution timed out 3093 ms 117732 KB Time limit exceeded
17 Halted 0 ms 0 KB -