oj.uz

Submission #364548

# Submission time Handle Problem Language Result Execution time Memory
364548 2021-02-09T13:06:31 Z daniel920712 Fortune Telling 2 (JOI14_fortune_telling2) C++14
35 / 100
 3000 ms 35564 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;
map < pair < int ,int > , int > all2;
map < int , pair < pair < vector < pair < pair < int ,int > , int > > , vector < pair < pair < int ,int > , int > > > , vector < pair < int , pair < int , int > > > > > query;
struct B
{
    int l,r;
    int nxl,nxr;
    int con;
}Node2[2000005];
int now=1,now2=1;

void New2(int l,int r,int here)
{
    Node2[here].l=l;
    Node2[here].r=r;
    Node2[here].con=0;
    Node2[here].nxl=-1;
    Node2[here].nxr=-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)
    {
        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)
{
    query[l1].first.first.push_back(make_pair(make_pair(l2,r2),con));
    query[r1+1].first.second.push_back(make_pair(make_pair(l2,r2),con));
}
int main()
{
    int N,K,i,j,con,ok=0,con2=0,tt,tt2;
    long long ans=0;
    scanf("%d %d",&N,&K);
    New2(0,1e9+5,0);
    for(i=0;i<N;i++)
    {
        scanf("%d %d",&x[i],&y[i]);
        query[x[i]].second.push_back(make_pair(y[i],make_pair(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;
        con2=0;
        con=Find2(all[i].first+1,1e9+1,0);
        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;
        }
        //printf("%lld\n",all[j])
        //if(con!=con2) return 1;
        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(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);



    for(auto i:query)
    {
        for(auto j:i.second.first.second) all2.erase(j.first);
        for(auto j:i.second.first.first) all2[j.first]=j.second;
        for(auto j:i.second.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:55:9: warning: variable 't' set but not used [-Wunused-but-set-variable]
   55 |     int t=0;
      |         ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:94:17: warning: variable 'con' set but not used [-Wunused-but-set-variable]
   94 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2;
      |                 ^~~
fortune_telling2.cpp:94:21: warning: unused variable 'ok' [-Wunused-variable]
   94 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2;
      |                     ^~
fortune_telling2.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   96 |     scanf("%d %d",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~
fortune_telling2.cpp:100:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  100 |         scanf("%d %d",&x[i],&y[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:105:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  105 |         scanf("%d",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1132 KB Output is correct
2 Correct 5 ms 1260 KB Output is correct
3 Correct 6 ms 1260 KB Output is correct
4 Correct 11 ms 1260 KB Output is correct
5 Correct 5 ms 1260 KB Output is correct
6 Correct 7 ms 1260 KB Output is correct
7 Correct 5 ms 1260 KB Output is correct
8 Correct 5 ms 1260 KB Output is correct
9 Correct 5 ms 1260 KB Output is correct
10 Correct 4 ms 748 KB Output is correct
11 Correct 5 ms 1260 KB Output is correct
12 Correct 5 ms 1260 KB Output is correct
13 Correct 5 ms 1260 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1132 KB Output is correct
2 Correct 5 ms 1260 KB Output is correct
3 Correct 6 ms 1260 KB Output is correct
4 Correct 11 ms 1260 KB Output is correct
5 Correct 5 ms 1260 KB Output is correct
6 Correct 7 ms 1260 KB Output is correct
7 Correct 5 ms 1260 KB Output is correct
8 Correct 5 ms 1260 KB Output is correct
9 Correct 5 ms 1260 KB Output is correct
10 Correct 4 ms 748 KB Output is correct
11 Correct 5 ms 1260 KB Output is correct
12 Correct 5 ms 1260 KB Output is correct
13 Correct 5 ms 1260 KB Output is correct
14 Correct 90 ms 9188 KB Output is correct
15 Correct 286 ms 17756 KB Output is correct
16 Correct 583 ms 25812 KB Output is correct
17 Correct 931 ms 33748 KB Output is correct
18 Correct 946 ms 33844 KB Output is correct
19 Correct 962 ms 34004 KB Output is correct
20 Correct 952 ms 33864 KB Output is correct
21 Correct 946 ms 33748 KB Output is correct
22 Correct 838 ms 18444 KB Output is correct
23 Correct 812 ms 16972 KB Output is correct
24 Correct 808 ms 15324 KB Output is correct
25 Correct 846 ms 20248 KB Output is correct
26 Correct 895 ms 30172 KB Output is correct
27 Correct 881 ms 30932 KB Output is correct
28 Correct 859 ms 30676 KB Output is correct
29 Correct 979 ms 32980 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1132 KB Output is correct
2 Correct 5 ms 1260 KB Output is correct
3 Correct 6 ms 1260 KB Output is correct
4 Correct 11 ms 1260 KB Output is correct
5 Correct 5 ms 1260 KB Output is correct
6 Correct 7 ms 1260 KB Output is correct
7 Correct 5 ms 1260 KB Output is correct
8 Correct 5 ms 1260 KB Output is correct
9 Correct 5 ms 1260 KB Output is correct
10 Correct 4 ms 748 KB Output is correct
11 Correct 5 ms 1260 KB Output is correct
12 Correct 5 ms 1260 KB Output is correct
13 Correct 5 ms 1260 KB Output is correct
14 Correct 90 ms 9188 KB Output is correct
15 Correct 286 ms 17756 KB Output is correct
16 Correct 583 ms 25812 KB Output is correct
17 Correct 931 ms 33748 KB Output is correct
18 Correct 946 ms 33844 KB Output is correct
19 Correct 962 ms 34004 KB Output is correct
20 Correct 952 ms 33864 KB Output is correct
21 Correct 946 ms 33748 KB Output is correct
22 Correct 838 ms 18444 KB Output is correct
23 Correct 812 ms 16972 KB Output is correct
24 Correct 808 ms 15324 KB Output is correct
25 Correct 846 ms 20248 KB Output is correct
26 Correct 895 ms 30172 KB Output is correct
27 Correct 881 ms 30932 KB Output is correct
28 Correct 859 ms 30676 KB Output is correct
29 Correct 979 ms 32980 KB Output is correct
30 Execution timed out 3057 ms 35564 KB Time limit exceeded
31 Halted 0 ms 0 KB -