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답안 #915607

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915607 2024-01-24T10:11:46 Z amirhoseinfar1385 Examination (JOI19_examination) C++17
100 / 100
 459 ms 32104 KB 
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000+10;
int n,q,res[maxn];
struct stu{
	int a,b,c;
	bool operator <(const stu fake)const{
		if(c==fake.c){
			return a<fake.a;
		}
		return c<fake.c;
	}
};
struct qu{
	int a,b,c,ind;
	bool operator <(const qu fake)const{
		if(c==fake.c){
			return a<fake.a;
		}
		return c<fake.c;
	}
};
vector<stu>alls;
vector<qu>allq;

struct fenwick{
	vector<int>fn;
	int sz;
	void create(int a){
		sz=a+10;
		fn.resize(sz);
	}
	void add(int i,int w){
		i++;
		while(i<sz){
			fn[i]+=w;
			i+=((-i)&i);
		}
	}
	int pors(int i){
		i++;
		int ret=0;
		while(i>0){
			ret+=fn[i];
			i-=((-i)&i);
		}
		return ret;
	}
};

struct fenwicka{
	struct node{
		vector<int>v;
		fenwick f;
	};
	node fen[maxn];
	void ins(int i,int w){
		i++;
		while(i<maxn){
			fen[i].v.push_back(w);
			i+=((-i)&i);
		}
	}
	void build(){
		for(int i=0;i<maxn;i++){
			sort(fen[i].v.begin(),fen[i].v.end());
			fen[i].v.resize(unique(fen[i].v.begin(),fen[i].v.end())-fen[i].v.begin());
			fen[i].f.create(fen[i].v.size());
		}
	}
	void upd(int i,int w){
		i++;
		while(i<maxn){
			int p=lower_bound(fen[i].v.begin(),fen[i].v.end(),w)-fen[i].v.begin();
			fen[i].f.add(p,1);
			i+=((-i)&i);
		}
	}
	int pors(int i,int w){
		i++;
		int ret=0;
		while(i>0){
			int p=lower_bound(fen[i].v.begin(),fen[i].v.end(),w)-fen[i].v.begin();
			ret+=fen[i].f.pors((int)fen[i].v.size()+2)-fen[i].f.pors(p-1);
			i-=((-i)&i);
		}
		return ret;
	}
}fen;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>q;
	alls.resize(n);
	allq.resize(q);
	vector<int>allind;
	for(int i=0;i<n;i++){
		cin>>alls[i].a>>alls[i].b;
		alls[i].c=alls[i].a+alls[i].b;
		allind.push_back(alls[i].a);
	}
	sort(allind.begin(),allind.end());
	allind.resize(unique(allind.begin(),allind.end())-allind.begin());
	for(int i=0;i<q;i++){
		cin>>allq[i].a>>allq[i].b>>allq[i].c;
		allq[i].ind=i;
	}
	sort(alls.begin(),alls.end());
	sort(allq.begin(),allq.end());
	for(auto x:alls){
		int p=lower_bound(allind.begin(),allind.end(),x.a)-allind.begin();
		fen.ins(p,x.b);
	}
	fen.build();
	while((int)allq.size()>0){
		while((int)alls.size()>0&&alls.back().c>=allq.back().c){
			int p=lower_bound(allind.begin(),allind.end(),alls.back().a)-allind.begin();
			fen.upd(p,alls.back().b);
			alls.pop_back();
		}
		int p=lower_bound(allind.begin(),allind.end(),allq.back().a)-allind.begin();
		res[allq.back().ind]=fen.pors(maxn-2,allq.back().b)-fen.pors(p-1,allq.back().b);
		allq.pop_back();
	}
	for(int i=0;i<q;i++){
		cout<<res[i]<<"\n";
	}
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 10584 KB Output is correct
2 Correct 7 ms 10584 KB Output is correct
3 Correct 8 ms 10640 KB Output is correct
4 Correct 7 ms 10588 KB Output is correct
5 Correct 7 ms 10588 KB Output is correct
6 Correct 7 ms 10588 KB Output is correct
7 Correct 15 ms 11096 KB Output is correct
8 Correct 16 ms 11100 KB Output is correct
9 Correct 16 ms 11100 KB Output is correct
10 Correct 13 ms 11016 KB Output is correct
11 Correct 13 ms 11096 KB Output is correct
12 Correct 11 ms 10844 KB Output is correct
13 Correct 15 ms 11100 KB Output is correct
14 Correct 15 ms 11072 KB Output is correct
15 Correct 15 ms 11096 KB Output is correct
16 Correct 12 ms 11100 KB Output is correct
17 Correct 11 ms 11012 KB Output is correct
18 Correct 10 ms 10844 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 292 ms 26320 KB Output is correct
2 Correct 297 ms 26584 KB Output is correct
3 Correct 305 ms 26368 KB Output is correct
4 Correct 142 ms 23248 KB Output is correct
5 Correct 205 ms 27856 KB Output is correct
6 Correct 93 ms 22740 KB Output is correct
7 Correct 294 ms 26476 KB Output is correct
8 Correct 281 ms 26604 KB Output is correct
9 Correct 239 ms 26328 KB Output is correct
10 Correct 161 ms 28028 KB Output is correct
11 Correct 105 ms 22736 KB Output is correct
12 Correct 83 ms 22648 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 292 ms 26320 KB Output is correct
2 Correct 297 ms 26584 KB Output is correct
3 Correct 305 ms 26368 KB Output is correct
4 Correct 142 ms 23248 KB Output is correct
5 Correct 205 ms 27856 KB Output is correct
6 Correct 93 ms 22740 KB Output is correct
7 Correct 294 ms 26476 KB Output is correct
8 Correct 281 ms 26604 KB Output is correct
9 Correct 239 ms 26328 KB Output is correct
10 Correct 161 ms 28028 KB Output is correct
11 Correct 105 ms 22736 KB Output is correct
12 Correct 83 ms 22648 KB Output is correct
13 Correct 358 ms 26832 KB Output is correct
14 Correct 359 ms 26900 KB Output is correct
15 Correct 293 ms 26656 KB Output is correct
16 Correct 154 ms 23512 KB Output is correct
17 Correct 213 ms 28008 KB Output is correct
18 Correct 100 ms 23064 KB Output is correct
19 Correct 380 ms 26944 KB Output is correct
20 Correct 355 ms 26944 KB Output is correct
21 Correct 344 ms 26968 KB Output is correct
22 Correct 170 ms 28276 KB Output is correct
23 Correct 103 ms 22740 KB Output is correct
24 Correct 81 ms 22648 KB Output is correct

Subtask #4
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 10584 KB Output is correct
2 Correct 7 ms 10584 KB Output is correct
3 Correct 8 ms 10640 KB Output is correct
4 Correct 7 ms 10588 KB Output is correct
5 Correct 7 ms 10588 KB Output is correct
6 Correct 7 ms 10588 KB Output is correct
7 Correct 15 ms 11096 KB Output is correct
8 Correct 16 ms 11100 KB Output is correct
9 Correct 16 ms 11100 KB Output is correct
10 Correct 13 ms 11016 KB Output is correct
11 Correct 13 ms 11096 KB Output is correct
12 Correct 11 ms 10844 KB Output is correct
13 Correct 15 ms 11100 KB Output is correct
14 Correct 15 ms 11072 KB Output is correct
15 Correct 15 ms 11096 KB Output is correct
16 Correct 12 ms 11100 KB Output is correct
17 Correct 11 ms 11012 KB Output is correct
18 Correct 10 ms 10844 KB Output is correct
19 Correct 292 ms 26320 KB Output is correct
20 Correct 297 ms 26584 KB Output is correct
21 Correct 305 ms 26368 KB Output is correct
22 Correct 142 ms 23248 KB Output is correct
23 Correct 205 ms 27856 KB Output is correct
24 Correct 93 ms 22740 KB Output is correct
25 Correct 294 ms 26476 KB Output is correct
26 Correct 281 ms 26604 KB Output is correct
27 Correct 239 ms 26328 KB Output is correct
28 Correct 161 ms 28028 KB Output is correct
29 Correct 105 ms 22736 KB Output is correct
30 Correct 83 ms 22648 KB Output is correct
31 Correct 358 ms 26832 KB Output is correct
32 Correct 359 ms 26900 KB Output is correct
33 Correct 293 ms 26656 KB Output is correct
34 Correct 154 ms 23512 KB Output is correct
35 Correct 213 ms 28008 KB Output is correct
36 Correct 100 ms 23064 KB Output is correct
37 Correct 380 ms 26944 KB Output is correct
38 Correct 355 ms 26944 KB Output is correct
39 Correct 344 ms 26968 KB Output is correct
40 Correct 170 ms 28276 KB Output is correct
41 Correct 103 ms 22740 KB Output is correct
42 Correct 81 ms 22648 KB Output is correct
43 Correct 401 ms 29760 KB Output is correct
44 Correct 459 ms 29652 KB Output is correct
45 Correct 427 ms 29564 KB Output is correct
46 Correct 192 ms 25680 KB Output is correct
47 Correct 221 ms 31212 KB Output is correct
48 Correct 100 ms 22856 KB Output is correct
49 Correct 340 ms 29512 KB Output is correct
50 Correct 367 ms 29344 KB Output is correct
51 Correct 307 ms 29300 KB Output is correct
52 Correct 210 ms 32104 KB Output is correct
53 Correct 117 ms 24276 KB Output is correct