Submission #205863

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
205863	2020-03-01T08:24:24 Z	mraron	Examination (JOI19_examination)	C++14	100 / 100	615 ms	11996 KB

examination

#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;
}

Subtask #1
2.0 / 2.0

#	Verdict	Execution time	Memory	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

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	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

Subtask #3
21.0 / 21.0

#	Verdict	Execution time	Memory	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

Subtask #4
57.0 / 57.0

#	Verdict	Execution time	Memory	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

Submission #205863

Compilation message

Subtask #1 2.0 / 2.0

Subtask #2 20.0 / 20.0

Subtask #3 21.0 / 21.0

Subtask #4 57.0 / 57.0

Subtask #1
2.0 / 2.0

Subtask #2
20.0 / 20.0

Subtask #3
21.0 / 21.0

Subtask #4
57.0 / 57.0