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답안 #203761

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
203761 2020-02-22T05:54:20 Z Segtree 새 집 (APIO18_new_home) C++14
12 / 100
 5000 ms 56220 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 1000
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();
	
	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(loops%D==D-1||loops==v.size()-1){
			rep(i,n){
				if(!tyuui.count(col[i])){
					bool vl=(struct st){a[i],x[i],col[i],0}<v[loops/D*D];
					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=loops/D*D;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));
				}
			}
			
			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:117:6:
  rep(loops,v.size()){
      ~~~~~~~~~~~~~~            
new_home.cpp:117:2: note: in expansion of macro 'rep'
  rep(loops,v.size()){
  ^~~
new_home.cpp:131:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(loops%D==D-1||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 4732 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 4856 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 8 ms 4728 KB Output is correct
14 Correct 7 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 8 ms 4728 KB Output is correct
19 Correct 8 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 9 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 7 ms 4728 KB Output is correct
27 Correct 8 ms 4732 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 4732 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 4856 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 8 ms 4728 KB Output is correct
14 Correct 7 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 8 ms 4728 KB Output is correct
19 Correct 8 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 9 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 7 ms 4728 KB Output is correct
27 Correct 8 ms 4732 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 2722 ms 18004 KB Output is correct
32 Correct 463 ms 17492 KB Output is correct
33 Correct 339 ms 14944 KB Output is correct
34 Correct 2040 ms 14944 KB Output is correct
35 Correct 1199 ms 16560 KB Output is correct
36 Correct 369 ms 15828 KB Output is correct
37 Correct 330 ms 14944 KB Output is correct
38 Correct 278 ms 14944 KB Output is correct
39 Correct 252 ms 14944 KB Output is correct
40 Correct 269 ms 14944 KB Output is correct
41 Correct 607 ms 14948 KB Output is correct
42 Correct 687 ms 14944 KB Output is correct
43 Correct 1591 ms 26648 KB Output is correct
44 Correct 533 ms 14944 KB Output is correct
45 Correct 304 ms 14948 KB Output is correct
46 Correct 214 ms 14944 KB Output is correct
47 Correct 216 ms 15072 KB Output is correct
48 Correct 196 ms 14816 KB Output is correct
49 Correct 231 ms 14816 KB Output is correct
50 Correct 496 ms 14944 KB Output is correct
51 Correct 211 ms 14944 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 250 ms 56220 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 4732 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 4856 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 8 ms 4728 KB Output is correct
14 Correct 7 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 8 ms 4728 KB Output is correct
19 Correct 8 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 9 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 7 ms 4728 KB Output is correct
27 Correct 8 ms 4732 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 2722 ms 18004 KB Output is correct
32 Correct 463 ms 17492 KB Output is correct
33 Correct 339 ms 14944 KB Output is correct
34 Correct 2040 ms 14944 KB Output is correct
35 Correct 1199 ms 16560 KB Output is correct
36 Correct 369 ms 15828 KB Output is correct
37 Correct 330 ms 14944 KB Output is correct
38 Correct 278 ms 14944 KB Output is correct
39 Correct 252 ms 14944 KB Output is correct
40 Correct 269 ms 14944 KB Output is correct
41 Correct 607 ms 14948 KB Output is correct
42 Correct 687 ms 14944 KB Output is correct
43 Correct 1591 ms 26648 KB Output is correct
44 Correct 533 ms 14944 KB Output is correct
45 Correct 304 ms 14948 KB Output is correct
46 Correct 214 ms 14944 KB Output is correct
47 Correct 216 ms 15072 KB Output is correct
48 Correct 196 ms 14816 KB Output is correct
49 Correct 231 ms 14816 KB Output is correct
50 Correct 496 ms 14944 KB Output is correct
51 Correct 211 ms 14944 KB Output is correct
52 Execution timed out 5064 ms 29064 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 4732 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 4856 KB Output is correct
12 Correct 8 ms 4728 KB Output is correct
13 Correct 8 ms 4728 KB Output is correct
14 Correct 7 ms 4728 KB Output is correct
15 Correct 8 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 8 ms 4728 KB Output is correct
18 Correct 8 ms 4728 KB Output is correct
19 Correct 8 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 9 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 7 ms 4728 KB Output is correct
27 Correct 8 ms 4732 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 2722 ms 18004 KB Output is correct
32 Correct 463 ms 17492 KB Output is correct
33 Correct 339 ms 14944 KB Output is correct
34 Correct 2040 ms 14944 KB Output is correct
35 Correct 1199 ms 16560 KB Output is correct
36 Correct 369 ms 15828 KB Output is correct
37 Correct 330 ms 14944 KB Output is correct
38 Correct 278 ms 14944 KB Output is correct
39 Correct 252 ms 14944 KB Output is correct
40 Correct 269 ms 14944 KB Output is correct
41 Correct 607 ms 14948 KB Output is correct
42 Correct 687 ms 14944 KB Output is correct
43 Correct 1591 ms 26648 KB Output is correct
44 Correct 533 ms 14944 KB Output is correct
45 Correct 304 ms 14948 KB Output is correct
46 Correct 214 ms 14944 KB Output is correct
47 Correct 216 ms 15072 KB Output is correct
48 Correct 196 ms 14816 KB Output is correct
49 Correct 231 ms 14816 KB Output is correct
50 Correct 496 ms 14944 KB Output is correct
51 Correct 211 ms 14944 KB Output is correct
52 Runtime error 250 ms 56220 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -