oj.uz

Submission #203756

# Submission time Handle Problem Language Result Execution time Memory
203756 2020-02-22T05:45:52 Z Segtree New Home (APIO18_new_home) C++14
12 / 100
 5000 ms 59036 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 60010
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;
	rep(i,n){
		cin>>x[i]>>col[i]>>a[i]>>b[i]; col[i]--;
		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;
	}
	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){
					rep(i,k){
						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:108:6:
  rep(loops,v.size()){
      ~~~~~~~~~~~~~~            
new_home.cpp:108:2: note: in expansion of macro 'rep'
  rep(loops,v.size()){
  ^~~
new_home.cpp:122:25: 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

# Verdict Execution time Memory 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 10 ms 4728 KB Output is correct
8 Correct 9 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 7 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 8 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 9 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 9 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 9 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 9 ms 4732 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 4856 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 8 ms 4728 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory 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 10 ms 4728 KB Output is correct
8 Correct 9 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 7 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 8 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 9 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 9 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 9 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 9 ms 4732 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 4856 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 8 ms 4728 KB Output is correct
31 Correct 2211 ms 16828 KB Output is correct
32 Correct 125 ms 14944 KB Output is correct
33 Correct 208 ms 15444 KB Output is correct
34 Correct 1765 ms 15420 KB Output is correct
35 Correct 1018 ms 16724 KB Output is correct
36 Correct 249 ms 16852 KB Output is correct
37 Correct 198 ms 15188 KB Output is correct
38 Correct 131 ms 15060 KB Output is correct
39 Correct 120 ms 15060 KB Output is correct
40 Correct 120 ms 15060 KB Output is correct
41 Correct 406 ms 15248 KB Output is correct
42 Correct 517 ms 15064 KB Output is correct
43 Correct 337 ms 20952 KB Output is correct
44 Correct 341 ms 18132 KB Output is correct
45 Correct 162 ms 18216 KB Output is correct
46 Correct 110 ms 18004 KB Output is correct
47 Correct 109 ms 17492 KB Output is correct
48 Correct 101 ms 17492 KB Output is correct
49 Correct 121 ms 17752 KB Output is correct
50 Correct 313 ms 17876 KB Output is correct
51 Correct 108 ms 17644 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 277 ms 59036 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 288 ms 56272 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory 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 10 ms 4728 KB Output is correct
8 Correct 9 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 7 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 8 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 9 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 9 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 9 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 9 ms 4732 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 4856 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 8 ms 4728 KB Output is correct
31 Correct 2211 ms 16828 KB Output is correct
32 Correct 125 ms 14944 KB Output is correct
33 Correct 208 ms 15444 KB Output is correct
34 Correct 1765 ms 15420 KB Output is correct
35 Correct 1018 ms 16724 KB Output is correct
36 Correct 249 ms 16852 KB Output is correct
37 Correct 198 ms 15188 KB Output is correct
38 Correct 131 ms 15060 KB Output is correct
39 Correct 120 ms 15060 KB Output is correct
40 Correct 120 ms 15060 KB Output is correct
41 Correct 406 ms 15248 KB Output is correct
42 Correct 517 ms 15064 KB Output is correct
43 Correct 337 ms 20952 KB Output is correct
44 Correct 341 ms 18132 KB Output is correct
45 Correct 162 ms 18216 KB Output is correct
46 Correct 110 ms 18004 KB Output is correct
47 Correct 109 ms 17492 KB Output is correct
48 Correct 101 ms 17492 KB Output is correct
49 Correct 121 ms 17752 KB Output is correct
50 Correct 313 ms 17876 KB Output is correct
51 Correct 108 ms 17644 KB Output is correct
52 Execution timed out 5077 ms 24764 KB Time limit exceeded
53 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory 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 10 ms 4728 KB Output is correct
8 Correct 9 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 7 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 8 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 9 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 9 ms 4728 KB Output is correct
21 Correct 9 ms 4728 KB Output is correct
22 Correct 9 ms 4728 KB Output is correct
23 Correct 9 ms 4728 KB Output is correct
24 Correct 9 ms 4732 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 4856 KB Output is correct
29 Correct 8 ms 4728 KB Output is correct
30 Correct 8 ms 4728 KB Output is correct
31 Correct 2211 ms 16828 KB Output is correct
32 Correct 125 ms 14944 KB Output is correct
33 Correct 208 ms 15444 KB Output is correct
34 Correct 1765 ms 15420 KB Output is correct
35 Correct 1018 ms 16724 KB Output is correct
36 Correct 249 ms 16852 KB Output is correct
37 Correct 198 ms 15188 KB Output is correct
38 Correct 131 ms 15060 KB Output is correct
39 Correct 120 ms 15060 KB Output is correct
40 Correct 120 ms 15060 KB Output is correct
41 Correct 406 ms 15248 KB Output is correct
42 Correct 517 ms 15064 KB Output is correct
43 Correct 337 ms 20952 KB Output is correct
44 Correct 341 ms 18132 KB Output is correct
45 Correct 162 ms 18216 KB Output is correct
46 Correct 110 ms 18004 KB Output is correct
47 Correct 109 ms 17492 KB Output is correct
48 Correct 101 ms 17492 KB Output is correct
49 Correct 121 ms 17752 KB Output is correct
50 Correct 313 ms 17876 KB Output is correct
51 Correct 108 ms 17644 KB Output is correct
52 Runtime error 277 ms 59036 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -