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답안 #203765

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
203765 2020-02-22T05:58:43 Z Segtree 새 집 (APIO18_new_home) C++14
12 / 100
 5000 ms 56740 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 8000
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 8 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 11 ms 4728 KB Output is correct
8 Correct 9 ms 4728 KB Output is correct
9 Correct 11 ms 4728 KB Output is correct
10 Correct 7 ms 4732 KB Output is correct
11 Correct 8 ms 4728 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 9 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 9 ms 4856 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 11 ms 4728 KB Output is correct
23 Correct 10 ms 4728 KB Output is correct
24 Correct 10 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4732 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 8 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 11 ms 4728 KB Output is correct
8 Correct 9 ms 4728 KB Output is correct
9 Correct 11 ms 4728 KB Output is correct
10 Correct 7 ms 4732 KB Output is correct
11 Correct 8 ms 4728 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 9 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 9 ms 4856 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 11 ms 4728 KB Output is correct
23 Correct 10 ms 4728 KB Output is correct
24 Correct 10 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4732 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 2446 ms 16296 KB Output is correct
32 Correct 144 ms 14944 KB Output is correct
33 Correct 229 ms 14944 KB Output is correct
34 Correct 1999 ms 14944 KB Output is correct
35 Correct 1073 ms 16084 KB Output is correct
36 Correct 251 ms 15956 KB Output is correct
37 Correct 227 ms 14944 KB Output is correct
38 Correct 153 ms 14940 KB Output is correct
39 Correct 140 ms 14944 KB Output is correct
40 Correct 141 ms 14944 KB Output is correct
41 Correct 512 ms 14944 KB Output is correct
42 Correct 660 ms 14868 KB Output is correct
43 Correct 303 ms 26580 KB Output is correct
44 Correct 426 ms 14824 KB Output is correct
45 Correct 196 ms 14948 KB Output is correct
46 Correct 125 ms 14944 KB Output is correct
47 Correct 119 ms 14816 KB Output is correct
48 Correct 110 ms 14816 KB Output is correct
49 Correct 136 ms 14944 KB Output is correct
50 Correct 403 ms 14944 KB Output is correct
51 Correct 120 ms 14816 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 266 ms 56740 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 281 ms 56340 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 8 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 11 ms 4728 KB Output is correct
8 Correct 9 ms 4728 KB Output is correct
9 Correct 11 ms 4728 KB Output is correct
10 Correct 7 ms 4732 KB Output is correct
11 Correct 8 ms 4728 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 9 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 9 ms 4856 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 11 ms 4728 KB Output is correct
23 Correct 10 ms 4728 KB Output is correct
24 Correct 10 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4732 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 2446 ms 16296 KB Output is correct
32 Correct 144 ms 14944 KB Output is correct
33 Correct 229 ms 14944 KB Output is correct
34 Correct 1999 ms 14944 KB Output is correct
35 Correct 1073 ms 16084 KB Output is correct
36 Correct 251 ms 15956 KB Output is correct
37 Correct 227 ms 14944 KB Output is correct
38 Correct 153 ms 14940 KB Output is correct
39 Correct 140 ms 14944 KB Output is correct
40 Correct 141 ms 14944 KB Output is correct
41 Correct 512 ms 14944 KB Output is correct
42 Correct 660 ms 14868 KB Output is correct
43 Correct 303 ms 26580 KB Output is correct
44 Correct 426 ms 14824 KB Output is correct
45 Correct 196 ms 14948 KB Output is correct
46 Correct 125 ms 14944 KB Output is correct
47 Correct 119 ms 14816 KB Output is correct
48 Correct 110 ms 14816 KB Output is correct
49 Correct 136 ms 14944 KB Output is correct
50 Correct 403 ms 14944 KB Output is correct
51 Correct 120 ms 14816 KB Output is correct
52 Execution timed out 5064 ms 28336 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 8 ms 4728 KB Output is correct
6 Correct 8 ms 4728 KB Output is correct
7 Correct 11 ms 4728 KB Output is correct
8 Correct 9 ms 4728 KB Output is correct
9 Correct 11 ms 4728 KB Output is correct
10 Correct 7 ms 4732 KB Output is correct
11 Correct 8 ms 4728 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 9 ms 4728 KB Output is correct
16 Correct 9 ms 4728 KB Output is correct
17 Correct 9 ms 4856 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 11 ms 4728 KB Output is correct
23 Correct 10 ms 4728 KB Output is correct
24 Correct 10 ms 4728 KB Output is correct
25 Correct 8 ms 4728 KB Output is correct
26 Correct 8 ms 4732 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 2446 ms 16296 KB Output is correct
32 Correct 144 ms 14944 KB Output is correct
33 Correct 229 ms 14944 KB Output is correct
34 Correct 1999 ms 14944 KB Output is correct
35 Correct 1073 ms 16084 KB Output is correct
36 Correct 251 ms 15956 KB Output is correct
37 Correct 227 ms 14944 KB Output is correct
38 Correct 153 ms 14940 KB Output is correct
39 Correct 140 ms 14944 KB Output is correct
40 Correct 141 ms 14944 KB Output is correct
41 Correct 512 ms 14944 KB Output is correct
42 Correct 660 ms 14868 KB Output is correct
43 Correct 303 ms 26580 KB Output is correct
44 Correct 426 ms 14824 KB Output is correct
45 Correct 196 ms 14948 KB Output is correct
46 Correct 125 ms 14944 KB Output is correct
47 Correct 119 ms 14816 KB Output is correct
48 Correct 110 ms 14816 KB Output is correct
49 Correct 136 ms 14944 KB Output is correct
50 Correct 403 ms 14944 KB Output is correct
51 Correct 120 ms 14816 KB Output is correct
52 Runtime error 266 ms 56740 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -