Submission #364381

# Submission time Handle Problem Language Result Execution time Memory
364381 2021-02-09T04:41:14 Z daniel920712 Fortune Telling 2 (JOI14_fortune_telling2) C++14
0 / 100
211 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;
long long x[200005],y[200005];
pair < long long , long long > all[200005];
vector < pair < pair < long long , long long > , pair < long long , long long > > > a,b;
bool F(pair < long long , long long > a,pair < long long , long long > b)
{
    if(a.first>b.first) return 1;
    if(a.first<b.first) return 0;
    return a.second<b.second;
}
set < long long > vis;
struct A
{
    int l,r;
    int nxl,nxr,nxt;
    int add;
}Node[50000005];
int now=1;
void New(long long l,long long r,long long a,long long here)
{
    Node[here].l=l;
    Node[here].r=r;
    Node[here].add=0;
    Node[here].nxl=-1;
    Node[here].nxr=-1;
    Node[here].nxt=a;
}
long long Find(long long x,long long y,long long here)
{
    long long t=0;
    if(here==-1) return 0;
    t=Node[here].add;
    if(Node[here].nxt==-2)
    {
        //t+=Find(x,y,Node[here].nxt);
        if(Node[here].l==Node[here].r) return t;
        if(y<=(Node[here].l+Node[here].r)/2) t+=Find(x,y,Node[here].nxl);
        else t+=Find(x,y,Node[here].nxr);
    }
    else
    {
        t+=Find(x,y,Node[here].nxt);
        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(long long l1,long long r1,long long l2,long long r2,long long con,long long here)
{
    long long t;
    //if(here==-1) return 0;
    if(Node[here].nxt==-2)
    {
        if(l2==Node[here].l&&r2==Node[here].r)
        {
            //if(con==1) printf("%lld %lld %lld %lld %lld\n",l1,r1,l2,r2,con);
            Node[here].add=con;
            return;
        }

        if(r2<=(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,-2,Node[here].nxl);
            }
            add(l1,r1,l2,r2,con,Node[here].nxl);
        }
        else if(l2>(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,-2,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,-2,Node[here].nxl);
            }
            add(l1,r1,l2,(Node[here].l+Node[here].r)/2,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,-2,Node[here].nxr);
            }
            add(l1,r1,(Node[here].l+Node[here].r)/2+1,r2,con,Node[here].nxr);

        }
    }
    else
    {
        if(l1==Node[here].l&&r1==Node[here].r)
        {
            if(Node[here].nxt==-1)
            {
                Node[here].nxt=now++;
                New(0,2e9,-2,Node[here].nxt);
            }
            add(l1,r1,l2,r2,con,Node[here].nxt);
            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);

        }
    }

}
int main()
{
    long long N,K,i,j,con,ok=0,ans=0,con2=0,tt,tt2;
    scanf("%lld %lld",&N,&K);
    for(i=0;i<N;i++) scanf("%lld %lld",&x[i],&y[i]);
    for(i=1;i<=K;i++)
    {
        scanf("%lld",&all[i].first);
        all[i].second=i;
    }
    vis.insert(0);
    vis.insert(1000000005);

    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,all[i].first)));
            b.push_back(make_pair(make_pair(tt2,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,all[i].first)));
            a.push_back(make_pair(make_pair(tt2,all[i].first),make_pair(all[i].first+1,tt)));
        }
        vis.insert(all[i].first);
    }
    New(0,1000000005,-1,0);
    all[0].first=1000000005;
    all[0].second=0;
    sort(all,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=0;
        for(j=0;j<i;j++) if(all[j].second>all[i].second&&all[j].first>all[i].first) con++;
        for(j=0;j<i;j++) if(all[j].first>all[i].first) con2++;
        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<N;i++)
    {
        ok=0;
        ok=Find(x[i],y[i],0);
        if(ok>=1000000000) ans+=y[i];
        else ans+=x[i];
    }
    printf("%lld\n",ans);

    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'void add(long long int, long long int, long long int, long long int, long long int, long long int)':
fortune_telling2.cpp:61:15: warning: unused variable 't' [-Wunused-variable]
   61 |     long long t;
      |               ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:160:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  160 |     scanf("%lld %lld",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:161:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  161 |     for(i=0;i<N;i++) scanf("%lld %lld",&x[i],&y[i]);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:164:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  164 |         scanf("%lld",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Runtime error 211 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 211 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 211 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -