oj.uz

Submission #364598

# Submission time Handle Problem Language Result Execution time Memory
364598 2021-02-09T13:51:06 Z daniel920712 Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 1923 ms 194168 KB 
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <algorithm>
#include <string.h>
#include <map>
#include <vector>
#include <set>
#include <assert.h>

using namespace std;
int K;
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[2000005];
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()
{
    //freopen("03-01.in","rt",stdin);
    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]);

    }
    //printf("aa\n");
    for(i=1;i<=K;i++)
    {
        scanf("%d",&all[i].first);
        //if(i%1000==0) printf("%d %d\n",i,K);
        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);
    //printf("%d\n",have.size());
    //assert(have.size()<=1e6);
    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(cha(all[i].first),0);
            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(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++)
    {
        //if(i%1000==0) printf("%d\n",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:50:9: warning: variable 't' set but not used [-Wunused-but-set-variable]
   50 |     int t=0;
      |         ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:98:15: warning: unused variable 'j' [-Wunused-variable]
   98 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
      |               ^
fortune_telling2.cpp:98:21: warning: unused variable 'ok' [-Wunused-variable]
   98 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
      |                     ^~
fortune_telling2.cpp:98:40: warning: unused variable 'ttt' [-Wunused-variable]
   98 |     int N,K,i,j,con,ok=0,con2=0,tt,tt2,ttt=0;
      |                                        ^~~
fortune_telling2.cpp:100:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  100 |     scanf("%d %d",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~
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 %d",&x[i],&y[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:114:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  114 |         scanf("%d",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 110316 KB Output is correct
2 Correct 86 ms 110316 KB Output is correct
3 Correct 87 ms 110444 KB Output is correct
4 Correct 87 ms 110316 KB Output is correct
5 Correct 87 ms 110316 KB Output is correct
6 Correct 87 ms 110316 KB Output is correct
7 Correct 86 ms 110444 KB Output is correct
8 Correct 87 ms 110316 KB Output is correct
9 Correct 86 ms 110316 KB Output is correct
10 Correct 85 ms 110188 KB Output is correct
11 Correct 87 ms 110316 KB Output is correct
12 Correct 86 ms 110316 KB Output is correct
13 Correct 86 ms 110316 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 110316 KB Output is correct
2 Correct 86 ms 110316 KB Output is correct
3 Correct 87 ms 110444 KB Output is correct
4 Correct 87 ms 110316 KB Output is correct
5 Correct 87 ms 110316 KB Output is correct
6 Correct 87 ms 110316 KB Output is correct
7 Correct 86 ms 110444 KB Output is correct
8 Correct 87 ms 110316 KB Output is correct
9 Correct 86 ms 110316 KB Output is correct
10 Correct 85 ms 110188 KB Output is correct
11 Correct 87 ms 110316 KB Output is correct
12 Correct 86 ms 110316 KB Output is correct
13 Correct 86 ms 110316 KB Output is correct
14 Correct 132 ms 114020 KB Output is correct
15 Correct 188 ms 118112 KB Output is correct
16 Correct 255 ms 122204 KB Output is correct
17 Correct 325 ms 126436 KB Output is correct
18 Correct 343 ms 126308 KB Output is correct
19 Correct 344 ms 126440 KB Output is correct
20 Correct 337 ms 126436 KB Output is correct
21 Correct 328 ms 126468 KB Output is correct
22 Correct 258 ms 121688 KB Output is correct
23 Correct 242 ms 120792 KB Output is correct
24 Correct 234 ms 119636 KB Output is correct
25 Correct 271 ms 122972 KB Output is correct
26 Correct 285 ms 124508 KB Output is correct
27 Correct 297 ms 124896 KB Output is correct
28 Correct 294 ms 124900 KB Output is correct
29 Correct 325 ms 125916 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 110316 KB Output is correct
2 Correct 86 ms 110316 KB Output is correct
3 Correct 87 ms 110444 KB Output is correct
4 Correct 87 ms 110316 KB Output is correct
5 Correct 87 ms 110316 KB Output is correct
6 Correct 87 ms 110316 KB Output is correct
7 Correct 86 ms 110444 KB Output is correct
8 Correct 87 ms 110316 KB Output is correct
9 Correct 86 ms 110316 KB Output is correct
10 Correct 85 ms 110188 KB Output is correct
11 Correct 87 ms 110316 KB Output is correct
12 Correct 86 ms 110316 KB Output is correct
13 Correct 86 ms 110316 KB Output is correct
14 Correct 132 ms 114020 KB Output is correct
15 Correct 188 ms 118112 KB Output is correct
16 Correct 255 ms 122204 KB Output is correct
17 Correct 325 ms 126436 KB Output is correct
18 Correct 343 ms 126308 KB Output is correct
19 Correct 344 ms 126440 KB Output is correct
20 Correct 337 ms 126436 KB Output is correct
21 Correct 328 ms 126468 KB Output is correct
22 Correct 258 ms 121688 KB Output is correct
23 Correct 242 ms 120792 KB Output is correct
24 Correct 234 ms 119636 KB Output is correct
25 Correct 271 ms 122972 KB Output is correct
26 Correct 285 ms 124508 KB Output is correct
27 Correct 297 ms 124896 KB Output is correct
28 Correct 294 ms 124900 KB Output is correct
29 Correct 325 ms 125916 KB Output is correct
30 Correct 1465 ms 174780 KB Output is correct
31 Correct 1580 ms 180436 KB Output is correct
32 Correct 1705 ms 185016 KB Output is correct
33 Correct 1896 ms 194168 KB Output is correct
34 Correct 1416 ms 175804 KB Output is correct
35 Correct 1879 ms 194112 KB Output is correct
36 Correct 1884 ms 194148 KB Output is correct
37 Correct 1879 ms 194076 KB Output is correct
38 Correct 1867 ms 193984 KB Output is correct
39 Correct 1873 ms 194088 KB Output is correct
40 Correct 1803 ms 194116 KB Output is correct
41 Correct 1923 ms 194020 KB Output is correct
42 Correct 1893 ms 194128 KB Output is correct
43 Correct 1576 ms 193904 KB Output is correct
44 Correct 1568 ms 194076 KB Output is correct
45 Correct 1582 ms 193876 KB Output is correct
46 Correct 1303 ms 166096 KB Output is correct
47 Correct 1159 ms 158440 KB Output is correct
48 Correct 1601 ms 187024 KB Output is correct
49 Correct 1541 ms 187456 KB Output is correct