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답안 #203768

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
203768 2020-02-22T06:02:51 Z Segtree 새 집 (APIO18_new_home) C++14
12 / 100
 5000 ms 56296 KB 
#include<iostream>
#include<algorithm>
#include<vector>
#include<set>
#include<unordered_set>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i=0;i<n;i++)
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define N 60010
#define D 20000
ll n,q,k;
ll fans[N];
namespace Subtask3{
struct st{
	ll col,typ,bef,aft;
	double pnt;
	bool operator<(const st&key)const{
		if(this->pnt==key.pnt)return this->typ<key.typ;
		return this->pnt<key.pnt;
	}
};
vector<ll> xs[N];//色ごとの座標のset
bool aval[N];
vector<st> v;
multiset<ll> kei[2];
void init(){
	rep(i,k)xs[i].clear();
	rep(i,k)aval[i]=1;
	v.clear();
	rep(i,2)kei[i].clear();
}
void Ban(ll col){
	aval[col]=0;
}
void pushN(ll t,ll x){
	xs[t].push_back(x);
}
void pushQ(ll id,ll l){
	v.push_back((struct st){-1,id,0,0,l});
}
int main(){
	rep(i,k)if(aval[i])sort(xs[i].begin(),xs[i].end());
	rep(i,2)kei[i].insert(-1e17);
	rep(i,k)if(aval[i]){
		if(xs[i].size()==0){
			rep(j,2)kei[j].insert(1e17);
		}
		else{
			kei[0].insert(xs[i][0]);
			ll bef=xs[i][0];
			rep(j,xs[i].size()-1){
				v.push_back((struct st){i,1+2*j,bef,-xs[i][j],xs[i][j]}); bef=-xs[i][j];
				v.push_back((struct st){i,2+2*j,bef,xs[i][j+1],(double)(xs[i][j+1]-xs[i][j])/2.0+xs[i][j]}); bef=xs[i][j+1];
			}
			v.push_back((struct st){i,1+2*(xs[i].size()-1),bef,-xs[i].back(),xs[i].back()});
		}
	}
	sort(v.begin(),v.end());
	for(auto e:v){
		if(e.col<0){
			ll ans=0;
			chmax(ans,(ll){*kei[0].rbegin()-e.pnt});
			chmax(ans,(ll){*kei[1].rbegin()+e.pnt});
			chmax(fans[e.typ],ans);
		}
		else{
			ll eo=e.typ%2;
			kei[eo^1].erase(kei[eo^1].find(e.bef));
			kei[eo^0].insert(e.aft);
		}
	}
}
}
multiset<ll> s[N];
struct st{
	ll tim,x,col,typ;
	bool operator<(const st&key)const{
		if(this->tim==key.tim)return this->typ<key.typ;
		return this->tim<key.tim;
	}
};
ll x[N],col[N],a[N],b[N];
int main(){
	cin>>n>>k>>q;
	cin.tie(0);
	ios::sync_with_stdio(0);
	vector<st> v;
	bool thcol[N];
	rep(i,k)thcol[i]=0;
	rep(i,n){
		cin>>x[i]>>col[i]>>a[i]>>b[i]; col[i]--;
		thcol[col[i]]=1;
		v.push_back((struct st){a[i],x[i],col[i],0});
		v.push_back((struct st){b[i],x[i],col[i],2});
	}
	rep(i,q){
		ll l,y; cin>>l>>y;
		v.push_back((struct st){y,l,i,1});
		fans[i]=0;
	}
	bool ok=1;
	rep(i,k)ok&=thcol[i];
	if(ok==0){
		rep(i,q)cout<<-1<<"\n";
		return 0;
	}
	sort(v.begin(),v.end());
	rep(i,k){
		s[i].insert(-1);
		s[i].insert(2e8);
	}
	unordered_set<ll> tyuui;
	Subtask3::init();
	
	ll bef=0;
	rep(loops,v.size()){
		auto e=v[loops];
		if(e.typ==0){
			Subtask3::Ban(e.col);
			tyuui.insert(e.col);
		}
		if(e.typ==1){
			Subtask3::pushQ(e.col,e.x);
		}
		if(e.typ==2){
			Subtask3::Ban(e.col);
			tyuui.insert(e.col);
		}
		
		if(tyuui.size()>500||loops==v.size()-1){
			rep(i,n){
				if(!tyuui.count(col[i])){
					bool vl=(struct st){a[i],x[i],col[i],0}<v[bef];
					bool vr=v[loops]<(struct st){b[i],x[i],col[i],2};
					if(vl&vr)Subtask3::pushN(col[i],x[i]);
				}
			}
			Subtask3::main();
			for(ll j=bef;j<=loops;j++){
				auto ee=v[j];
				if(ee.typ==0){
					s[ee.col].insert(ee.x);
				}
				if(ee.typ==1){
					ll ans=0;
					for(auto i:tyuui){
						ll mi=1e17;
						auto it=s[i].lower_bound(ee.x);
						if(*it<2e8)chmin(mi,*it-ee.x);
						it--;
						if(*it>-1)chmin(mi,ee.x-*it);
						chmax(ans,mi);
					}
					chmax(fans[ee.col],ans);
				}
				if(ee.typ==2){
					s[ee.col].erase(s[ee.col].find(ee.x));
				}
			}
			
			bef=loops+1;
			Subtask3::init();
			tyuui.clear();
		}
	}
	rep(i,q){
		if(fans[i]>1e9)fans[i]=-1;
		cout<<fans[i]<<"\n";
	}
}

Compilation message

new_home.cpp: In function 'void Subtask3::pushQ(ll, ll)':
new_home.cpp:41:37: warning: narrowing conversion of 'l' from 'll {aka long long int}' to 'double' inside { } [-Wnarrowing]
  v.push_back((struct st){-1,id,0,0,l});
                                     ^
new_home.cpp: In function 'int Subtask3::main()':
new_home.cpp:8:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n) for(int i=0;i<n;i++)
new_home.cpp:53:8:
    rep(j,xs[i].size()-1){
        ~~~~~~~~~~~~~~~~        
new_home.cpp:53:4: note: in expansion of macro 'rep'
    rep(j,xs[i].size()-1){
    ^~~
new_home.cpp:54:59: warning: narrowing conversion of 'Subtask3::xs[i].std::vector<long long int>::operator[](((std::vector<long long int>::size_type)j))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int> >::value_type {aka long long int}' to 'double' inside { } [-Wnarrowing]
     v.push_back((struct st){i,1+2*j,bef,-xs[i][j],xs[i][j]}); bef=-xs[i][j];
                                                           ^
new_home.cpp:57:31: warning: narrowing conversion of '(1 + (2 * (Subtask3::xs[i].std::vector<long long int>::size() - 1)))' from 'std::vector<long long int>::size_type {aka long unsigned int}' to 'll {aka long long int}' inside { } [-Wnarrowing]
    v.push_back((struct st){i,1+2*(xs[i].size()-1),bef,-xs[i].back(),xs[i].back()});
                              ~^~~~~~~~~~~~~~~~~~~
new_home.cpp:57:79: warning: narrowing conversion of 'Subtask3::xs[i].std::vector<long long int>::back()' from '__gnu_cxx::__alloc_traits<std::allocator<long long int> >::value_type {aka long long int}' to 'double' inside { } [-Wnarrowing]
    v.push_back((struct st){i,1+2*(xs[i].size()-1),bef,-xs[i].back(),xs[i].back()});
                                                                     ~~~~~~~~~~^~
new_home.cpp:64:35: warning: narrowing conversion of '((double)(long long int)__builtin_memcpy(&<unnamed>, & Subtask3::kei[0].rbegin()()).std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::operator*()() - e.Subtask3::st::pnt)' from 'double' to 'll {aka long long int}' inside { } [-Wnarrowing]
    chmax(ans,(ll){*kei[0].rbegin()-e.pnt});
                   ~~~~~~~~~~~~~~~~^~~~
new_home.cpp:10:28: note: in definition of macro 'chmax'
 #define chmax(a,b) a=max(a,b)
                            ^
new_home.cpp:65:35: warning: narrowing conversion of '((double)(long long int)__builtin_memcpy(&<unnamed>, & Subtask3::kei[1].rbegin()()).std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::operator*()() + e.Subtask3::st::pnt)' from 'double' to 'll {aka long long int}' inside { } [-Wnarrowing]
    chmax(ans,(ll){*kei[1].rbegin()+e.pnt});
                   ~~~~~~~~~~~~~~~~^~~~
new_home.cpp:10:28: note: in definition of macro 'chmax'
 #define chmax(a,b) a=max(a,b)
                            ^
new_home.cpp:74:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
new_home.cpp: In function 'int main()':
new_home.cpp:8:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n) for(int i=0;i<n;i++)
new_home.cpp:118:6:
  rep(loops,v.size()){
      ~~~~~~~~~~~~~~            
new_home.cpp:118:2: note: in expansion of macro 'rep'
  rep(loops,v.size()){
  ^~~
new_home.cpp:132:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(tyuui.size()>500||loops==v.size()-1){
                        ~~~~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4600 KB Output is correct
2 Correct 7 ms 4600 KB Output is correct
3 Correct 7 ms 4600 KB Output is correct
4 Correct 7 ms 4600 KB Output is correct
5 Correct 7 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 10 ms 4728 KB Output is correct
8 Correct 8 ms 4728 KB Output is correct
9 Correct 10 ms 4728 KB Output is correct
10 Correct 8 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4760 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 9 ms 4728 KB Output is correct
19 Correct 9 ms 4728 KB Output is correct
20 Correct 8 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 10 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 8 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4728 KB Output is correct
27 Correct 8 ms 4728 KB Output is correct
28 Correct 8 ms 4728 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 7 ms 4728 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4600 KB Output is correct
2 Correct 7 ms 4600 KB Output is correct
3 Correct 7 ms 4600 KB Output is correct
4 Correct 7 ms 4600 KB Output is correct
5 Correct 7 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 10 ms 4728 KB Output is correct
8 Correct 8 ms 4728 KB Output is correct
9 Correct 10 ms 4728 KB Output is correct
10 Correct 8 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4760 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 9 ms 4728 KB Output is correct
19 Correct 9 ms 4728 KB Output is correct
20 Correct 8 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 10 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 8 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4728 KB Output is correct
27 Correct 8 ms 4728 KB Output is correct
28 Correct 8 ms 4728 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 7 ms 4728 KB Output is correct
31 Correct 2433 ms 18244 KB Output is correct
32 Correct 124 ms 17568 KB Output is correct
33 Correct 211 ms 17876 KB Output is correct
34 Correct 1979 ms 17968 KB Output is correct
35 Correct 1087 ms 18260 KB Output is correct
36 Correct 247 ms 18132 KB Output is correct
37 Correct 207 ms 17876 KB Output is correct
38 Correct 135 ms 17876 KB Output is correct
39 Correct 129 ms 18000 KB Output is correct
40 Correct 121 ms 17876 KB Output is correct
41 Correct 488 ms 18004 KB Output is correct
42 Correct 640 ms 17880 KB Output is correct
43 Correct 435 ms 18396 KB Output is correct
44 Correct 400 ms 18260 KB Output is correct
45 Correct 184 ms 18188 KB Output is correct
46 Correct 111 ms 18004 KB Output is correct
47 Correct 107 ms 17620 KB Output is correct
48 Correct 117 ms 17492 KB Output is correct
49 Correct 125 ms 17752 KB Output is correct
50 Correct 387 ms 17852 KB Output is correct
51 Correct 114 ms 17748 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 256 ms 56296 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 268 ms 56092 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4600 KB Output is correct
2 Correct 7 ms 4600 KB Output is correct
3 Correct 7 ms 4600 KB Output is correct
4 Correct 7 ms 4600 KB Output is correct
5 Correct 7 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 10 ms 4728 KB Output is correct
8 Correct 8 ms 4728 KB Output is correct
9 Correct 10 ms 4728 KB Output is correct
10 Correct 8 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4760 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 9 ms 4728 KB Output is correct
19 Correct 9 ms 4728 KB Output is correct
20 Correct 8 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 10 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 8 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4728 KB Output is correct
27 Correct 8 ms 4728 KB Output is correct
28 Correct 8 ms 4728 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 7 ms 4728 KB Output is correct
31 Correct 2433 ms 18244 KB Output is correct
32 Correct 124 ms 17568 KB Output is correct
33 Correct 211 ms 17876 KB Output is correct
34 Correct 1979 ms 17968 KB Output is correct
35 Correct 1087 ms 18260 KB Output is correct
36 Correct 247 ms 18132 KB Output is correct
37 Correct 207 ms 17876 KB Output is correct
38 Correct 135 ms 17876 KB Output is correct
39 Correct 129 ms 18000 KB Output is correct
40 Correct 121 ms 17876 KB Output is correct
41 Correct 488 ms 18004 KB Output is correct
42 Correct 640 ms 17880 KB Output is correct
43 Correct 435 ms 18396 KB Output is correct
44 Correct 400 ms 18260 KB Output is correct
45 Correct 184 ms 18188 KB Output is correct
46 Correct 111 ms 18004 KB Output is correct
47 Correct 107 ms 17620 KB Output is correct
48 Correct 117 ms 17492 KB Output is correct
49 Correct 125 ms 17752 KB Output is correct
50 Correct 387 ms 17852 KB Output is correct
51 Correct 114 ms 17748 KB Output is correct
52 Execution timed out 5072 ms 28960 KB Time limit exceeded
53 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4600 KB Output is correct
2 Correct 7 ms 4600 KB Output is correct
3 Correct 7 ms 4600 KB Output is correct
4 Correct 7 ms 4600 KB Output is correct
5 Correct 7 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 10 ms 4728 KB Output is correct
8 Correct 8 ms 4728 KB Output is correct
9 Correct 10 ms 4728 KB Output is correct
10 Correct 8 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4760 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 9 ms 4728 KB Output is correct
19 Correct 9 ms 4728 KB Output is correct
20 Correct 8 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 10 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 8 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4728 KB Output is correct
27 Correct 8 ms 4728 KB Output is correct
28 Correct 8 ms 4728 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 7 ms 4728 KB Output is correct
31 Correct 2433 ms 18244 KB Output is correct
32 Correct 124 ms 17568 KB Output is correct
33 Correct 211 ms 17876 KB Output is correct
34 Correct 1979 ms 17968 KB Output is correct
35 Correct 1087 ms 18260 KB Output is correct
36 Correct 247 ms 18132 KB Output is correct
37 Correct 207 ms 17876 KB Output is correct
38 Correct 135 ms 17876 KB Output is correct
39 Correct 129 ms 18000 KB Output is correct
40 Correct 121 ms 17876 KB Output is correct
41 Correct 488 ms 18004 KB Output is correct
42 Correct 640 ms 17880 KB Output is correct
43 Correct 435 ms 18396 KB Output is correct
44 Correct 400 ms 18260 KB Output is correct
45 Correct 184 ms 18188 KB Output is correct
46 Correct 111 ms 18004 KB Output is correct
47 Correct 107 ms 17620 KB Output is correct
48 Correct 117 ms 17492 KB Output is correct
49 Correct 125 ms 17752 KB Output is correct
50 Correct 387 ms 17852 KB Output is correct
51 Correct 114 ms 17748 KB Output is correct
52 Runtime error 256 ms 56296 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -