Submission #253028

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
253028	2020-07-26T16:34:22 Z	wwdd	Worst Reporter 3 (JOI18_worst_reporter3)	C++14	100 / 100	650 ms	29692 KB

worst_reporter3

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
vl w,x;
int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	int n,q;
	cin >> n >> q;
	for(int i=0;i<n;i++) {
		ll t;
		cin >> t;
		w.push_back(t);
	}
	ll pm = 1;
	x.push_back(pm);
	for(int i=0;i<n;i++) {
		pm = (w[i]+pm-1)/pm*pm;
		x.push_back(pm);
	}
	while(q--) {
		ll ti,l,r;
		cin >> ti >> l >> r;
		ll st = 0,ed = x.size()-1;
		ll la = -1;
		while(st <= ed) {
			ll m = (st+ed)/2;
			ll po = (ti/x[m]*x[m])-m;
			if(po >= l) {
				la = m;
				st = m+1;
			} else {
				ed = m-1;
			}
		}
		st = 0;ed = x.size()-1;
		ll lb = -1;
		while(st <= ed) {
			ll m = (st+ed)/2;
			ll po = (ti/x[m]*x[m])-m;
			if(po > r) {
				lb = m;
				st = m+1;
			} else {
				ed = m-1;
			}
		}
		cout << la-lb << '\n';
	}
}

Subtask #1

7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	609 ms	26840 KB	Output is correct
2	Correct	607 ms	26840 KB	Output is correct
3	Correct	650 ms	26840 KB	Output is correct
4	Correct	633 ms	26924 KB	Output is correct
5	Correct	625 ms	26840 KB	Output is correct
6	Correct	616 ms	26840 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct

Subtask #3

81.0 / 81.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	609 ms	26840 KB	Output is correct
2	Correct	607 ms	26840 KB	Output is correct
3	Correct	650 ms	26840 KB	Output is correct
4	Correct	633 ms	26924 KB	Output is correct
5	Correct	625 ms	26840 KB	Output is correct
6	Correct	616 ms	26840 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	415 ms	25352 KB	Output is correct
14	Correct	411 ms	26072 KB	Output is correct
15	Correct	394 ms	24536 KB	Output is correct
16	Correct	415 ms	25176 KB	Output is correct
17	Correct	484 ms	29400 KB	Output is correct
18	Correct	487 ms	29400 KB	Output is correct
19	Correct	475 ms	29400 KB	Output is correct
20	Correct	487 ms	29564 KB	Output is correct
21	Correct	501 ms	29528 KB	Output is correct
22	Correct	483 ms	29400 KB	Output is correct
23	Correct	499 ms	29272 KB	Output is correct
24	Correct	502 ms	29692 KB	Output is correct
25	Correct	647 ms	26872 KB	Output is correct
26	Correct	629 ms	26840 KB	Output is correct
27	Correct	534 ms	29016 KB	Output is correct
28	Correct	518 ms	29272 KB	Output is correct
29	Correct	503 ms	28760 KB	Output is correct
30	Correct	523 ms	29276 KB	Output is correct
31	Correct	514 ms	29400 KB	Output is correct
32	Correct	470 ms	25432 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct