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답안 #389882

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
389882 2021-04-14T19:00:17 Z ogibogi2004 운세 보기 2 (JOI14_fortune_telling2) C++14
100 / 100
 2133 ms 109452 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=2e5+6;
const ll MAXM=6e5+6;
const ll INF=2e9;
map<ll,ll>mp;
set<ll>xs;
ll n,k;
ll t[MAXN],a[MAXN],b[MAXN];
bool cmp(pair<ll,ll> p1,pair<ll,ll>p2)
{
	return make_pair(max(p1.first,p1.second),min(p1.first,p1.second))>make_pair(max(p2.first,p2.second),min(p2.first,p2.second));
}
vector<pair<ll,ll> >v;
struct segment_tree
{
	ll tree[4*MAXM];
	void init()
	{
		memset(tree,0,sizeof(tree));
	}
	void update(ll l,ll r,ll idx,ll q,ll val)
	{
		if(l>q)return;
		if(r<q)return;
		if(l==r)
		{
			tree[idx]=max(tree[idx],val);
			return;
		}
		ll mid=(l+r)/2;
		update(l,mid,idx*2,q,val);
		update(mid+1,r,idx*2+1,q,val);
		tree[idx]=max(tree[idx*2],tree[idx*2+1]);
	}
	ll query(ll l,ll r,ll idx,ll ql,ll qr)
	{
		if(ql>qr)return 0;
		if(l>qr||r<ql)return 0;
		if(l>=ql&&r<=qr)return tree[idx];
		ll mid=(l+r)/2;
		return max(query(l,mid,idx*2,ql,qr),query(mid+1,r,idx*2+1,ql,qr));
	}
}ivan;
struct BIT
{
	ll fen[MAXM];
	void init()
	{
		memset(fen,0,sizeof(fen));
	}
	void update(ll idx,ll val)
	{
		idx++;
		for(;idx<MAXM;idx+=idx&(-idx))
		{
			fen[idx]+=val;
		}
	}
	ll query(ll idx)
	{
		idx++;
		ll ret=0;
		for(;idx>0;idx-=idx&(-idx))
		{
			ret+=fen[idx];
		}
		return ret;
	}
	ll query(ll l,ll r)
	{
		return query(r)-query(l-1);
	}
}vanka;
ll ans2[MAXN];
int main()
{
	cin>>n>>k;
	for(ll i=1;i<=n;i++)
	{
		cin>>a[i]>>b[i];
		xs.insert(a[i]);
		xs.insert(b[i]);
		v.push_back({a[i],b[i]});
	}
	sort(v.begin(),v.end(),cmp);
	for(ll i=1;i<=k;i++)
	{
		cin>>t[i];
		xs.insert(t[i]);
	}
	xs.insert(INF);
	ll cnt=0;
	for(auto xd:xs)
	{
		cnt++;
		mp[xd]=cnt;
	}
	vector<pair<ll,ll> >v1;
	ivan.init();vanka.init();
	ll ans=0,ans1=0;
	for(ll i=1;i<=k;i++)
	{
		v1.push_back({t[i],i});
		ivan.update(1,cnt,1,mp[t[i]],i);
	}
	sort(v1.begin(),v1.end());
	ll r=v1.size()-1;
	
	/*for(int i=1;i<=n;i++)
	{
		ans2[i]=ans1;
		int cnt1=0;
		for(int j=k;j>=0;j--)
		{
			if(j==0)
			{
				if(cnt1%2==0)ans1+=a[i];
				else ans1+=b[i];
				break;
			}
			if(t[j]>=max(a[i],b[i]))cnt1++;
			if(t[j]>=min(a[i],b[i])&&t[j]<max(a[i],b[i]))
			{
				if(cnt1%2==0)ans1+=max(a[i],b[i]);
				else ans1+=min(a[i],b[i]);
				break;
			}
		}
	}*/
	
	for(ll i=0;i<v.size();i++)
	{
		while(r>=0&&v1[r].first>=max(v[i].first,v[i].second))
		{
			//cout<<"*\n";
			vanka.update(v1[r].second,+1);
			r--;
		}
		ll lastxd=ivan.query(1,cnt,1,mp[min(v[i].first,v[i].second)],mp[max(v[i].first,v[i].second)]-1);
		//cout<<lastxd<<endl;
		if(lastxd==0)
		{
			ll f=vanka.query(1,k);
			//cout<<f<<endl;
			if(f%2==1)
			{
				ans+=v[i].second;
			}
			else ans+=v[i].first;
		}
		else
		{
			ll f=vanka.query(lastxd+1,k);
			if(f%2==0)
			{
				ans+=max(v[i].first,v[i].second);
			}
			else
			{
				ans+=min(v[i].first,v[i].second);
			}
		}
		//cout<<v[i].first<<" "<<v[i].second<<" "<<ans<<endl;
	}
	
	
	cout<<ans<<endl;
return 0;
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:133:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  133 |  for(ll i=0;i<v.size();i++)
      |             ~^~~~~~~~~
fortune_telling2.cpp:102:11: warning: unused variable 'ans1' [-Wunused-variable]
  102 |  ll ans=0,ans1=0;
      |           ^~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 23972 KB Output is correct
2 Correct 13 ms 24012 KB Output is correct
3 Correct 14 ms 24116 KB Output is correct
4 Correct 14 ms 24156 KB Output is correct
5 Correct 19 ms 24152 KB Output is correct
6 Correct 14 ms 24140 KB Output is correct
7 Correct 15 ms 24152 KB Output is correct
8 Correct 14 ms 24116 KB Output is correct
9 Correct 13 ms 24140 KB Output is correct
10 Correct 14 ms 23884 KB Output is correct
11 Correct 13 ms 24004 KB Output is correct
12 Correct 18 ms 24012 KB Output is correct
13 Correct 17 ms 24012 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 23972 KB Output is correct
2 Correct 13 ms 24012 KB Output is correct
3 Correct 14 ms 24116 KB Output is correct
4 Correct 14 ms 24156 KB Output is correct
5 Correct 19 ms 24152 KB Output is correct
6 Correct 14 ms 24140 KB Output is correct
7 Correct 15 ms 24152 KB Output is correct
8 Correct 14 ms 24116 KB Output is correct
9 Correct 13 ms 24140 KB Output is correct
10 Correct 14 ms 23884 KB Output is correct
11 Correct 13 ms 24004 KB Output is correct
12 Correct 18 ms 24012 KB Output is correct
13 Correct 17 ms 24012 KB Output is correct
14 Correct 54 ms 27840 KB Output is correct
15 Correct 112 ms 31892 KB Output is correct
16 Correct 198 ms 35540 KB Output is correct
17 Correct 268 ms 39960 KB Output is correct
18 Correct 302 ms 40044 KB Output is correct
19 Correct 266 ms 39972 KB Output is correct
20 Correct 251 ms 39956 KB Output is correct
21 Correct 255 ms 39944 KB Output is correct
22 Correct 160 ms 35656 KB Output is correct
23 Correct 137 ms 33464 KB Output is correct
24 Correct 134 ms 31784 KB Output is correct
25 Correct 176 ms 36964 KB Output is correct
26 Correct 152 ms 34660 KB Output is correct
27 Correct 172 ms 35652 KB Output is correct
28 Correct 180 ms 35632 KB Output is correct
29 Correct 209 ms 37804 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 23972 KB Output is correct
2 Correct 13 ms 24012 KB Output is correct
3 Correct 14 ms 24116 KB Output is correct
4 Correct 14 ms 24156 KB Output is correct
5 Correct 19 ms 24152 KB Output is correct
6 Correct 14 ms 24140 KB Output is correct
7 Correct 15 ms 24152 KB Output is correct
8 Correct 14 ms 24116 KB Output is correct
9 Correct 13 ms 24140 KB Output is correct
10 Correct 14 ms 23884 KB Output is correct
11 Correct 13 ms 24004 KB Output is correct
12 Correct 18 ms 24012 KB Output is correct
13 Correct 17 ms 24012 KB Output is correct
14 Correct 54 ms 27840 KB Output is correct
15 Correct 112 ms 31892 KB Output is correct
16 Correct 198 ms 35540 KB Output is correct
17 Correct 268 ms 39960 KB Output is correct
18 Correct 302 ms 40044 KB Output is correct
19 Correct 266 ms 39972 KB Output is correct
20 Correct 251 ms 39956 KB Output is correct
21 Correct 255 ms 39944 KB Output is correct
22 Correct 160 ms 35656 KB Output is correct
23 Correct 137 ms 33464 KB Output is correct
24 Correct 134 ms 31784 KB Output is correct
25 Correct 176 ms 36964 KB Output is correct
26 Correct 152 ms 34660 KB Output is correct
27 Correct 172 ms 35652 KB Output is correct
28 Correct 180 ms 35632 KB Output is correct
29 Correct 209 ms 37804 KB Output is correct
30 Correct 605 ms 56040 KB Output is correct
31 Correct 937 ms 66936 KB Output is correct
32 Correct 1257 ms 80376 KB Output is correct
33 Correct 2072 ms 109260 KB Output is correct
34 Correct 615 ms 53372 KB Output is correct
35 Correct 2007 ms 109236 KB Output is correct
36 Correct 2064 ms 109452 KB Output is correct
37 Correct 2133 ms 109220 KB Output is correct
38 Correct 1938 ms 109248 KB Output is correct
39 Correct 1959 ms 109260 KB Output is correct
40 Correct 1918 ms 109028 KB Output is correct
41 Correct 1800 ms 109256 KB Output is correct
42 Correct 1746 ms 109304 KB Output is correct
43 Correct 1257 ms 108544 KB Output is correct
44 Correct 1270 ms 108548 KB Output is correct
45 Correct 1182 ms 108672 KB Output is correct
46 Correct 1022 ms 74528 KB Output is correct
47 Correct 832 ms 63476 KB Output is correct
48 Correct 1221 ms 87440 KB Output is correct
49 Correct 1278 ms 87424 KB Output is correct