답안 #205863

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
205863 2020-03-01T08:24:24 Z mraron Examination (JOI19_examination) C++14
100 / 100
615 ms 11996 KB
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
struct ev {
	int a,b,c;
	int is_q;
	int id;
};
int ans[100001];

void dc2(vector<ev>& t, int L, int R) {
	if(L>=R) return ;
	int mid=(L+R)/2;
	vector<int> lst;
	for(int i=mid+1;i<=R;++i) {
		if(!t[i].is_q) lst.pb(t[i].c);
	}
	sort(lst.begin(),lst.end());
	for(int i=L;i<=mid;++i) {
		if(t[i].is_q) {
			auto it=lower_bound(lst.begin(), lst.end(), t[i].c);
			ans[t[i].id]+=lst.end()-it;
		}
	}
	dc2(t, L, mid);
	dc2(t, mid+1, R);
}

void dc1(vector<ev>& t, int L, int R) {
	if(L>=R) return ;
	int mid=(L+R)/2;
	vector<ev> arr;
	for(int i=L;i<=mid;++i) {
		if(t[i].is_q) arr.pb(t[i]);
	}
	for(int i=mid+1;i<=R;++i) {
		if(!t[i].is_q) arr.pb(t[i]);
	}
	sort(arr.begin(),arr.end(), [&](ev a, ev b) -> bool {
		if(a.b==b.b) return a.is_q>b.is_q;
		return a.b<b.b;
	});
	
	dc2(arr, 0, (int)arr.size()-1);
	
	dc1(t, L, mid);
	dc1(t, mid+1, R);
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	int n,q;
	cin>>n>>q;
	vector<ev> lst;
	for(int i=0;i<n;++i) {
		int a,b;
		cin>>a>>b;
		lst.push_back({a,b,a+b,0,-1});
	}
	for(int i=0;i<q;++i) {
		int a,b,c;
		cin>>a>>b>>c;
		lst.push_back({a,b,c,1,i});
	}
	sort(lst.begin(), lst.end(), [&](ev a, ev b) -> bool {
		if(a.a==b.a) return a.is_q>b.is_q;
		return a.a<b.a;
	});
	dc1(lst, 0, (int)lst.size()-1);
	for(int i=0;i<q;++i) cout<<ans[i]<<"\n";
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 248 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 16 ms 680 KB Output is correct
8 Correct 16 ms 728 KB Output is correct
9 Correct 17 ms 632 KB Output is correct
10 Correct 15 ms 632 KB Output is correct
11 Correct 14 ms 632 KB Output is correct
12 Correct 13 ms 632 KB Output is correct
13 Correct 15 ms 676 KB Output is correct
14 Correct 16 ms 632 KB Output is correct
15 Correct 15 ms 632 KB Output is correct
16 Correct 12 ms 728 KB Output is correct
17 Correct 13 ms 632 KB Output is correct
18 Correct 10 ms 632 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 554 ms 9432 KB Output is correct
2 Correct 554 ms 9376 KB Output is correct
3 Correct 549 ms 9308 KB Output is correct
4 Correct 464 ms 9308 KB Output is correct
5 Correct 399 ms 9820 KB Output is correct
6 Correct 313 ms 9688 KB Output is correct
7 Correct 506 ms 11996 KB Output is correct
8 Correct 481 ms 9304 KB Output is correct
9 Correct 470 ms 11996 KB Output is correct
10 Correct 346 ms 11100 KB Output is correct
11 Correct 378 ms 9436 KB Output is correct
12 Correct 250 ms 9688 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 554 ms 9432 KB Output is correct
2 Correct 554 ms 9376 KB Output is correct
3 Correct 549 ms 9308 KB Output is correct
4 Correct 464 ms 9308 KB Output is correct
5 Correct 399 ms 9820 KB Output is correct
6 Correct 313 ms 9688 KB Output is correct
7 Correct 506 ms 11996 KB Output is correct
8 Correct 481 ms 9304 KB Output is correct
9 Correct 470 ms 11996 KB Output is correct
10 Correct 346 ms 11100 KB Output is correct
11 Correct 378 ms 9436 KB Output is correct
12 Correct 250 ms 9688 KB Output is correct
13 Correct 611 ms 9308 KB Output is correct
14 Correct 572 ms 9436 KB Output is correct
15 Correct 555 ms 9688 KB Output is correct
16 Correct 502 ms 9284 KB Output is correct
17 Correct 435 ms 9944 KB Output is correct
18 Correct 320 ms 9688 KB Output is correct
19 Correct 589 ms 9564 KB Output is correct
20 Correct 592 ms 9412 KB Output is correct
21 Correct 582 ms 11992 KB Output is correct
22 Correct 366 ms 11224 KB Output is correct
23 Correct 384 ms 9436 KB Output is correct
24 Correct 254 ms 9308 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 248 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 16 ms 680 KB Output is correct
8 Correct 16 ms 728 KB Output is correct
9 Correct 17 ms 632 KB Output is correct
10 Correct 15 ms 632 KB Output is correct
11 Correct 14 ms 632 KB Output is correct
12 Correct 13 ms 632 KB Output is correct
13 Correct 15 ms 676 KB Output is correct
14 Correct 16 ms 632 KB Output is correct
15 Correct 15 ms 632 KB Output is correct
16 Correct 12 ms 728 KB Output is correct
17 Correct 13 ms 632 KB Output is correct
18 Correct 10 ms 632 KB Output is correct
19 Correct 554 ms 9432 KB Output is correct
20 Correct 554 ms 9376 KB Output is correct
21 Correct 549 ms 9308 KB Output is correct
22 Correct 464 ms 9308 KB Output is correct
23 Correct 399 ms 9820 KB Output is correct
24 Correct 313 ms 9688 KB Output is correct
25 Correct 506 ms 11996 KB Output is correct
26 Correct 481 ms 9304 KB Output is correct
27 Correct 470 ms 11996 KB Output is correct
28 Correct 346 ms 11100 KB Output is correct
29 Correct 378 ms 9436 KB Output is correct
30 Correct 250 ms 9688 KB Output is correct
31 Correct 611 ms 9308 KB Output is correct
32 Correct 572 ms 9436 KB Output is correct
33 Correct 555 ms 9688 KB Output is correct
34 Correct 502 ms 9284 KB Output is correct
35 Correct 435 ms 9944 KB Output is correct
36 Correct 320 ms 9688 KB Output is correct
37 Correct 589 ms 9564 KB Output is correct
38 Correct 592 ms 9412 KB Output is correct
39 Correct 582 ms 11992 KB Output is correct
40 Correct 366 ms 11224 KB Output is correct
41 Correct 384 ms 9436 KB Output is correct
42 Correct 254 ms 9308 KB Output is correct
43 Correct 611 ms 9512 KB Output is correct
44 Correct 615 ms 9432 KB Output is correct
45 Correct 573 ms 9560 KB Output is correct
46 Correct 512 ms 9176 KB Output is correct
47 Correct 444 ms 9820 KB Output is correct
48 Correct 334 ms 9816 KB Output is correct
49 Correct 572 ms 11992 KB Output is correct
50 Correct 548 ms 9308 KB Output is correct
51 Correct 558 ms 11992 KB Output is correct
52 Correct 370 ms 11096 KB Output is correct
53 Correct 381 ms 9564 KB Output is correct