oj.uz

답안 #173234

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
173234 2020-01-03T15:53:01 Z kig9981 새 집 (APIO18_new_home) C++17
5 / 100
 5000 ms 502216 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);
		}
		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 15 ms 14456 KB Output is correct
2 Correct 15 ms 14584 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 14 ms 14456 KB Output is correct
5 Correct 24 ms 14456 KB Output is correct
6 Correct 31 ms 14952 KB Output is correct
7 Correct 20 ms 14712 KB Output is correct
8 Correct 22 ms 14952 KB Output is correct
9 Correct 23 ms 14712 KB Output is correct
10 Correct 33 ms 14952 KB Output is correct
11 Correct 20 ms 14952 KB Output is correct
12 Correct 29 ms 14952 KB Output is correct
13 Correct 18 ms 14712 KB Output is correct
14 Correct 22 ms 14712 KB Output is correct
15 Correct 28 ms 14956 KB Output is correct
16 Correct 27 ms 14956 KB Output is correct
17 Correct 27 ms 14952 KB Output is correct
18 Correct 24 ms 14952 KB Output is correct
19 Correct 24 ms 14956 KB Output is correct
20 Correct 26 ms 14952 KB Output is correct
21 Correct 16 ms 14504 KB Output is correct
22 Correct 22 ms 14824 KB Output is correct
23 Correct 22 ms 14952 KB Output is correct
24 Correct 24 ms 14996 KB Output is correct
25 Correct 25 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 22 ms 14584 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 24 ms 14956 KB Output is correct
30 Correct 23 ms 14664 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14584 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 14 ms 14456 KB Output is correct
5 Correct 24 ms 14456 KB Output is correct
6 Correct 31 ms 14952 KB Output is correct
7 Correct 20 ms 14712 KB Output is correct
8 Correct 22 ms 14952 KB Output is correct
9 Correct 23 ms 14712 KB Output is correct
10 Correct 33 ms 14952 KB Output is correct
11 Correct 20 ms 14952 KB Output is correct
12 Correct 29 ms 14952 KB Output is correct
13 Correct 18 ms 14712 KB Output is correct
14 Correct 22 ms 14712 KB Output is correct
15 Correct 28 ms 14956 KB Output is correct
16 Correct 27 ms 14956 KB Output is correct
17 Correct 27 ms 14952 KB Output is correct
18 Correct 24 ms 14952 KB Output is correct
19 Correct 24 ms 14956 KB Output is correct
20 Correct 26 ms 14952 KB Output is correct
21 Correct 16 ms 14504 KB Output is correct
22 Correct 22 ms 14824 KB Output is correct
23 Correct 22 ms 14952 KB Output is correct
24 Correct 24 ms 14996 KB Output is correct
25 Correct 25 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 22 ms 14584 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 24 ms 14956 KB Output is correct
30 Correct 23 ms 14664 KB Output is correct
31 Execution timed out 5071 ms 112504 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 5077 ms 502216 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 5081 ms 491880 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14584 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 14 ms 14456 KB Output is correct
5 Correct 24 ms 14456 KB Output is correct
6 Correct 31 ms 14952 KB Output is correct
7 Correct 20 ms 14712 KB Output is correct
8 Correct 22 ms 14952 KB Output is correct
9 Correct 23 ms 14712 KB Output is correct
10 Correct 33 ms 14952 KB Output is correct
11 Correct 20 ms 14952 KB Output is correct
12 Correct 29 ms 14952 KB Output is correct
13 Correct 18 ms 14712 KB Output is correct
14 Correct 22 ms 14712 KB Output is correct
15 Correct 28 ms 14956 KB Output is correct
16 Correct 27 ms 14956 KB Output is correct
17 Correct 27 ms 14952 KB Output is correct
18 Correct 24 ms 14952 KB Output is correct
19 Correct 24 ms 14956 KB Output is correct
20 Correct 26 ms 14952 KB Output is correct
21 Correct 16 ms 14504 KB Output is correct
22 Correct 22 ms 14824 KB Output is correct
23 Correct 22 ms 14952 KB Output is correct
24 Correct 24 ms 14996 KB Output is correct
25 Correct 25 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 22 ms 14584 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 24 ms 14956 KB Output is correct
30 Correct 23 ms 14664 KB Output is correct
31 Execution timed out 5071 ms 112504 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 14456 KB Output is correct
2 Correct 15 ms 14584 KB Output is correct
3 Correct 15 ms 14456 KB Output is correct
4 Correct 14 ms 14456 KB Output is correct
5 Correct 24 ms 14456 KB Output is correct
6 Correct 31 ms 14952 KB Output is correct
7 Correct 20 ms 14712 KB Output is correct
8 Correct 22 ms 14952 KB Output is correct
9 Correct 23 ms 14712 KB Output is correct
10 Correct 33 ms 14952 KB Output is correct
11 Correct 20 ms 14952 KB Output is correct
12 Correct 29 ms 14952 KB Output is correct
13 Correct 18 ms 14712 KB Output is correct
14 Correct 22 ms 14712 KB Output is correct
15 Correct 28 ms 14956 KB Output is correct
16 Correct 27 ms 14956 KB Output is correct
17 Correct 27 ms 14952 KB Output is correct
18 Correct 24 ms 14952 KB Output is correct
19 Correct 24 ms 14956 KB Output is correct
20 Correct 26 ms 14952 KB Output is correct
21 Correct 16 ms 14504 KB Output is correct
22 Correct 22 ms 14824 KB Output is correct
23 Correct 22 ms 14952 KB Output is correct
24 Correct 24 ms 14996 KB Output is correct
25 Correct 25 ms 14952 KB Output is correct
26 Correct 29 ms 14952 KB Output is correct
27 Correct 22 ms 14584 KB Output is correct
28 Correct 24 ms 14956 KB Output is correct
29 Correct 24 ms 14956 KB Output is correct
30 Correct 23 ms 14664 KB Output is correct
31 Execution timed out 5071 ms 112504 KB Time limit exceeded
32 Halted 0 ms 0 KB -