oj.uz

답안 #173237

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
173237 2020-01-03T15:58:46 Z kig9981 새 집 (APIO18_new_home) C++17
5 / 100
 5000 ms 489608 KB 
#include <bits/stdc++.h>
 
#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif
 
using namespace std;

struct Seg
{
	int l, r, v;
	Seg() : l(0), r(0), v(0) {}
};

const int SZ=1<<19;
vector<Seg> tree;
vector<int> X;
multiset<int> P[300000];
vector<tuple<int,int,int,int>> S;
vector<tuple<int,int,int>> Q, L, R;
int ans[300000];

void add_tree2(int n, int v, int p, int s=0, int e=SZ-1)
{
	int m=(s+e)>>1;
	if(s==e) {
		tree[p].v+=v;
		return;
	}
	if(n<=m) {
		if(tree[p].l==0) tree[p].l=tree.size(), tree.push_back(Seg());
		add_tree2(n,v,tree[p].l,s,m);
	}
	else {
		if(tree[p].r==0) tree[p].r=tree.size(), tree.push_back(Seg());
		add_tree2(n,v,tree[p].r,m+1,e);
	}
	tree[p].v=tree[tree[p].l].v+tree[tree[p].r].v;
}

void add_tree(int x, int y, int v)
{
	for(++x;x<=X.size();x+=x&-x) add_tree2(y,v,x);
}

int get_cnt2(int n1, int n2, int p, int s=0, int e=SZ-1)
{
	int m=(s+e)>>1;
	if(p==0 || n2<n1 || n2<s || e<n1) return 0;
	if(n1<=s && e<=n2) return tree[p].v;
	return get_cnt2(n1,n2,tree[p].l,s,m)+get_cnt2(n1,n2,tree[p].r,m+1,e);
}

int get_cnt(int n1, int n2, int p)
{
	int ret=0;
	for(++p;p;p-=p&-p) ret+=get_cnt2(n1,n2,p);
	return ret;
}

int get_cnt(int x1, int y1, int x2, int y2)
{
	return get_cnt(y1,y2,x2)-get_cnt(y1,y2,x1-1);
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	TEST(freopen("input.txt","r",stdin));
	TEST(freopen("output.txt","w",stdout));
	TEST(freopen("debug.txt","w",stderr));
	int N, K, M, p1=0, p2=0;
	cin>>N>>K>>M;
	S.resize(N);
	for(auto &[p,t,a,b]: S) {
		cin>>p>>t>>a>>b; --t;
		X.push_back(p);
	}
	sort(X.begin(),X.end());
	X.resize(unique(X.begin(),X.end())-X.begin());
	Q.resize(M);
	for(int i=0;i<M;i++) {
		auto &[t,p,idx]=Q[i];
		cin>>p>>t; idx=i;
	}
	sort(Q.begin(),Q.end());
	for(auto &[p,t,a,b]: S) {
		p=lower_bound(X.begin(),X.end(),p)-X.begin();
		L.emplace_back(a,t,p);
		R.emplace_back(b,t,p);
	}
	sort(L.begin(),L.end());
	sort(R.begin(),R.end());
	tree.resize(X.size()+1);
	for(auto[t,p,i]: Q) {
		int s=0, e=1e8;
		while(p1<L.size() && get<0>(L[p1])<=t) {
			auto[t,v,p]=L[p1++];
			auto r=P[v].lower_bound(p), l=r;
			if(r!=P[v].end() && *r==p) {
				P[v].insert(p);
				continue;
			}
			if(r!=P[v].begin()) l=r,--l;
			else l=P[v].end();
			if(l!=P[v].end() && r!=P[v].end()) add_tree(*l,*r,1);
			if(l!=P[v].end()) add_tree(*l,p,-1);
			if(r!=P[v].end()) add_tree(p,*r,-1);
			add_tree(p,p,1);
			P[v].insert(p);
		}
		while(p2<R.size() && get<0>(R[p2])<t) {
			auto[t,v,p]=R[p2++];
			P[v].erase(P[v].find(p));
			auto r=P[v].lower_bound(p), l=r;
			if(r!=P[v].end() && *r==p) continue;
			if(r!=P[v].begin()) l=r,--l;
			else l=P[v].end();
			if(l!=P[v].end() && r!=P[v].end()) add_tree(*l,*r,-1);
			if(l!=P[v].end()) add_tree(*l,p,1);
			if(r!=P[v].end()) add_tree(p,*r,1);
			add_tree(p,p,-1);
		}
		if(get_cnt(0,0,X.size()-1,X.size()-1)<K) {
			ans[i]=-1;
			continue;
		}
		while(s<=e) {
			int m=(s+e)>>1, l, r;
			l=lower_bound(X.begin(),X.end(),p-m)-X.begin();
			r=upper_bound(X.begin(),X.end(),p+m)-X.begin()-1;
			if(l<=r && get_cnt(l,l,r,r)==K) e=m-1;
			else s=m+1;
		}
		if(s>1e8) ans[i]=-1;
		else ans[i]=s;
	}
	for(int i=0;i<M;i++) cout<<ans[i]<<'\n';
	return 0;
}

Compilation message

new_home.cpp: In function 'void add_tree(int, int, int)':
new_home.cpp:47:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(++x;x<=X.size();x+=x&-x) add_tree2(y,v,x);
          ~^~~~~~~~~~
new_home.cpp: In function 'int main()':
new_home.cpp:102:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(p1<L.size() && get<0>(L[p1])<=t) {
         ~~^~~~~~~~~
new_home.cpp:103:14: warning: unused variable 't' [-Wunused-variable]
    auto[t,v,p]=L[p1++];
              ^
new_home.cpp:117:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(p2<R.size() && get<0>(R[p2])<t) {
         ~~^~~~~~~~~
new_home.cpp:118:14: warning: unused variable 't' [-Wunused-variable]
    auto[t,v,p]=R[p2++];
              ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14460 KB Output is correct
3 Correct 14 ms 14456 KB Output is correct
4 Correct 15 ms 14460 KB Output is correct
5 Correct 22 ms 14456 KB Output is correct
6 Correct 30 ms 14952 KB Output is correct
7 Correct 17 ms 14768 KB Output is correct
8 Correct 18 ms 14952 KB Output is correct
9 Correct 17 ms 14824 KB Output is correct
10 Correct 32 ms 14952 KB Output is correct
11 Correct 18 ms 14952 KB Output is correct
12 Correct 30 ms 14952 KB Output is correct
13 Correct 17 ms 14824 KB Output is correct
14 Correct 21 ms 14828 KB Output is correct
15 Correct 26 ms 14948 KB Output is correct
16 Correct 26 ms 14956 KB Output is correct
17 Correct 29 ms 14952 KB Output is correct
18 Correct 23 ms 14952 KB Output is correct
19 Correct 23 ms 14952 KB Output is correct
20 Correct 33 ms 14952 KB Output is correct
21 Correct 16 ms 14584 KB Output is correct
22 Correct 18 ms 14716 KB Output is correct
23 Correct 20 ms 14952 KB Output is correct
24 Correct 22 ms 14952 KB Output is correct
25 Correct 24 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 20 ms 14600 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 23 ms 14956 KB Output is correct
30 Correct 24 ms 14772 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14460 KB Output is correct
3 Correct 14 ms 14456 KB Output is correct
4 Correct 15 ms 14460 KB Output is correct
5 Correct 22 ms 14456 KB Output is correct
6 Correct 30 ms 14952 KB Output is correct
7 Correct 17 ms 14768 KB Output is correct
8 Correct 18 ms 14952 KB Output is correct
9 Correct 17 ms 14824 KB Output is correct
10 Correct 32 ms 14952 KB Output is correct
11 Correct 18 ms 14952 KB Output is correct
12 Correct 30 ms 14952 KB Output is correct
13 Correct 17 ms 14824 KB Output is correct
14 Correct 21 ms 14828 KB Output is correct
15 Correct 26 ms 14948 KB Output is correct
16 Correct 26 ms 14956 KB Output is correct
17 Correct 29 ms 14952 KB Output is correct
18 Correct 23 ms 14952 KB Output is correct
19 Correct 23 ms 14952 KB Output is correct
20 Correct 33 ms 14952 KB Output is correct
21 Correct 16 ms 14584 KB Output is correct
22 Correct 18 ms 14716 KB Output is correct
23 Correct 20 ms 14952 KB Output is correct
24 Correct 22 ms 14952 KB Output is correct
25 Correct 24 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 20 ms 14600 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 23 ms 14956 KB Output is correct
30 Correct 24 ms 14772 KB Output is correct
31 Execution timed out 5037 ms 110356 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5083 ms 488800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5085 ms 489608 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14460 KB Output is correct
3 Correct 14 ms 14456 KB Output is correct
4 Correct 15 ms 14460 KB Output is correct
5 Correct 22 ms 14456 KB Output is correct
6 Correct 30 ms 14952 KB Output is correct
7 Correct 17 ms 14768 KB Output is correct
8 Correct 18 ms 14952 KB Output is correct
9 Correct 17 ms 14824 KB Output is correct
10 Correct 32 ms 14952 KB Output is correct
11 Correct 18 ms 14952 KB Output is correct
12 Correct 30 ms 14952 KB Output is correct
13 Correct 17 ms 14824 KB Output is correct
14 Correct 21 ms 14828 KB Output is correct
15 Correct 26 ms 14948 KB Output is correct
16 Correct 26 ms 14956 KB Output is correct
17 Correct 29 ms 14952 KB Output is correct
18 Correct 23 ms 14952 KB Output is correct
19 Correct 23 ms 14952 KB Output is correct
20 Correct 33 ms 14952 KB Output is correct
21 Correct 16 ms 14584 KB Output is correct
22 Correct 18 ms 14716 KB Output is correct
23 Correct 20 ms 14952 KB Output is correct
24 Correct 22 ms 14952 KB Output is correct
25 Correct 24 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 20 ms 14600 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 23 ms 14956 KB Output is correct
30 Correct 24 ms 14772 KB Output is correct
31 Execution timed out 5037 ms 110356 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14460 KB Output is correct
3 Correct 14 ms 14456 KB Output is correct
4 Correct 15 ms 14460 KB Output is correct
5 Correct 22 ms 14456 KB Output is correct
6 Correct 30 ms 14952 KB Output is correct
7 Correct 17 ms 14768 KB Output is correct
8 Correct 18 ms 14952 KB Output is correct
9 Correct 17 ms 14824 KB Output is correct
10 Correct 32 ms 14952 KB Output is correct
11 Correct 18 ms 14952 KB Output is correct
12 Correct 30 ms 14952 KB Output is correct
13 Correct 17 ms 14824 KB Output is correct
14 Correct 21 ms 14828 KB Output is correct
15 Correct 26 ms 14948 KB Output is correct
16 Correct 26 ms 14956 KB Output is correct
17 Correct 29 ms 14952 KB Output is correct
18 Correct 23 ms 14952 KB Output is correct
19 Correct 23 ms 14952 KB Output is correct
20 Correct 33 ms 14952 KB Output is correct
21 Correct 16 ms 14584 KB Output is correct
22 Correct 18 ms 14716 KB Output is correct
23 Correct 20 ms 14952 KB Output is correct
24 Correct 22 ms 14952 KB Output is correct
25 Correct 24 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 20 ms 14600 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 23 ms 14956 KB Output is correct
30 Correct 24 ms 14772 KB Output is correct
31 Execution timed out 5037 ms 110356 KB Time limit exceeded
32 Halted 0 ms 0 KB -