oj.uz

Submission #203763

# Submission time Handle Problem Language Result Execution time Memory
203763 2020-02-22T05:57:10 Z Segtree New Home (APIO18_new_home) C++14
12 / 100
 5000 ms 56404 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 2000
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

# 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 11 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 7 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 7 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4776 KB Output is correct
15 Correct 10 ms 4728 KB Output is correct
16 Correct 10 ms 4728 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 8 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 9 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 7 ms 4728 KB Output is correct
29 Correct 7 ms 4728 KB Output is correct
30 Correct 8 ms 4776 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 11 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 7 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 7 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4776 KB Output is correct
15 Correct 10 ms 4728 KB Output is correct
16 Correct 10 ms 4728 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 8 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 9 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 7 ms 4728 KB Output is correct
29 Correct 7 ms 4728 KB Output is correct
30 Correct 8 ms 4776 KB Output is correct
31 Correct 2483 ms 16800 KB Output is correct
32 Correct 263 ms 17492 KB Output is correct
33 Correct 273 ms 14944 KB Output is correct
34 Correct 1984 ms 14940 KB Output is correct
35 Correct 1113 ms 15956 KB Output is correct
36 Correct 314 ms 15804 KB Output is correct
37 Correct 263 ms 14944 KB Output is correct
38 Correct 201 ms 14944 KB Output is correct
39 Correct 187 ms 14944 KB Output is correct
40 Correct 192 ms 14944 KB Output is correct
41 Correct 549 ms 14948 KB Output is correct
42 Correct 669 ms 14820 KB Output is correct
43 Correct 845 ms 26748 KB Output is correct
44 Correct 468 ms 14944 KB Output is correct
45 Correct 235 ms 14944 KB Output is correct
46 Correct 166 ms 14944 KB Output is correct
47 Correct 157 ms 14816 KB Output is correct
48 Correct 148 ms 14816 KB Output is correct
49 Correct 177 ms 14820 KB Output is correct
50 Correct 447 ms 14944 KB Output is correct
51 Correct 160 ms 14944 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 256 ms 56404 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 267 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

# 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 11 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 7 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 7 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4776 KB Output is correct
15 Correct 10 ms 4728 KB Output is correct
16 Correct 10 ms 4728 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 8 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 9 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 7 ms 4728 KB Output is correct
29 Correct 7 ms 4728 KB Output is correct
30 Correct 8 ms 4776 KB Output is correct
31 Correct 2483 ms 16800 KB Output is correct
32 Correct 263 ms 17492 KB Output is correct
33 Correct 273 ms 14944 KB Output is correct
34 Correct 1984 ms 14940 KB Output is correct
35 Correct 1113 ms 15956 KB Output is correct
36 Correct 314 ms 15804 KB Output is correct
37 Correct 263 ms 14944 KB Output is correct
38 Correct 201 ms 14944 KB Output is correct
39 Correct 187 ms 14944 KB Output is correct
40 Correct 192 ms 14944 KB Output is correct
41 Correct 549 ms 14948 KB Output is correct
42 Correct 669 ms 14820 KB Output is correct
43 Correct 845 ms 26748 KB Output is correct
44 Correct 468 ms 14944 KB Output is correct
45 Correct 235 ms 14944 KB Output is correct
46 Correct 166 ms 14944 KB Output is correct
47 Correct 157 ms 14816 KB Output is correct
48 Correct 148 ms 14816 KB Output is correct
49 Correct 177 ms 14820 KB Output is correct
50 Correct 447 ms 14944 KB Output is correct
51 Correct 160 ms 14944 KB Output is correct
52 Execution timed out 5059 ms 29116 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 11 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 7 ms 4728 KB Output is correct
11 Correct 8 ms 4728 KB Output is correct
12 Correct 7 ms 4728 KB Output is correct
13 Correct 7 ms 4728 KB Output is correct
14 Correct 8 ms 4776 KB Output is correct
15 Correct 10 ms 4728 KB Output is correct
16 Correct 10 ms 4728 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 8 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 9 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 7 ms 4728 KB Output is correct
29 Correct 7 ms 4728 KB Output is correct
30 Correct 8 ms 4776 KB Output is correct
31 Correct 2483 ms 16800 KB Output is correct
32 Correct 263 ms 17492 KB Output is correct
33 Correct 273 ms 14944 KB Output is correct
34 Correct 1984 ms 14940 KB Output is correct
35 Correct 1113 ms 15956 KB Output is correct
36 Correct 314 ms 15804 KB Output is correct
37 Correct 263 ms 14944 KB Output is correct
38 Correct 201 ms 14944 KB Output is correct
39 Correct 187 ms 14944 KB Output is correct
40 Correct 192 ms 14944 KB Output is correct
41 Correct 549 ms 14948 KB Output is correct
42 Correct 669 ms 14820 KB Output is correct
43 Correct 845 ms 26748 KB Output is correct
44 Correct 468 ms 14944 KB Output is correct
45 Correct 235 ms 14944 KB Output is correct
46 Correct 166 ms 14944 KB Output is correct
47 Correct 157 ms 14816 KB Output is correct
48 Correct 148 ms 14816 KB Output is correct
49 Correct 177 ms 14820 KB Output is correct
50 Correct 447 ms 14944 KB Output is correct
51 Correct 160 ms 14944 KB Output is correct
52 Runtime error 256 ms 56404 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Halted 0 ms 0 KB -