Submission #364369

#	Time	Username	Problem	Language	Result	Execution time	Memory
364369		daniel920712	Fortune Telling 2 (JOI14_fortune_telling2)	C++14	0 / 100	3074 ms	640 KiB

fortune_telling2

#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;
    while(1) ;
    return a.second<b.second;
}
set < long long > vis;
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(2e9);

    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);
    }


    all[0].first=2e9;
    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 i:a) printf("%lld %lld %lld %lld\n",i.first.first,i.first.second,i.second.first,i.second.second);
    printf("aaaa\n");

    for(auto i:b) printf("%lld %lld %lld %lld\n",i.first.first,i.first.second,i.second.first,i.second.second);
    printf("aaaa\n");*/

    for(i=0;i<N;i++)
    {
        ok=0;
        for(auto j:a) if(x[i]>=j.first.first&&x[i]<=j.first.second&&y[i]>=j.second.first&&y[i]<=j.second.second) ok+=1;
        for(auto j:b) if(x[i]>=j.first.first&&x[i]<=j.first.second&&y[i]>=j.second.first&&y[i]<=j.second.second) ok+=1e9;
        //printf("%lld\n",ok);
        if(ok==1) ans+=x[i];
        else if(ok==1000000000) ans+=y[i];
        else while(1);

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

    return 0;
}

Compilation message (stderr)

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |     scanf("%lld %lld",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:27:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |     for(i=0;i<N;i++) scanf("%lld %lld",&x[i],&y[i]);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:30:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |         scanf("%lld",&all[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 31
• Subtask 3: 0 / 65