답안 #852101

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
852101	2023-09-21T08:29:58 Z	dosts	Osumnjičeni (COCI21_osumnjiceni)	C++14	110 / 110	531 ms	60816 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define sp << " " << 
#define int long long
#define vi vector<int>
#define pb push_back
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
const int N = 2e5+1;
const int MOD = 1e9;
 
void solve() {
	int n;
	cin >> n;
	vector<pair<int,int>> rng(n+1);
	for (int i=1;i<=n;i++) cin >> rng[i].first >> rng[i].second;
	set<pair<int,int>> rs;
	auto no_intersections=  [](set<pair<int,int>>& rs,pair<int,int>& q) -> bool {
		if (rs.empty()) return 1;
		auto it = rs.lower_bound({q.first,0});
		if (it != rs.end()) {
			if (it->first <= q.second) return 0;
		}
		if (it == rs.begin()) return 1;
		--it;
		return !(it->second >= q.first);
	};
	int j = 1;	
	int dp[n+1][25];
	for (int i=1;i<=n;i++) {
		while (j<=n && no_intersections(rs,rng[j])) {
			rs.insert(rng[j]);
			j++;
		}
		dp[i][0] = j-1;
		rs.erase(rng[i]);	
	}
	for (int i=1;i<25;i++) {
		for (int j=1;j<=n;j++) {
			dp[j][i] = dp[min(n,dp[j][i-1]+1)][i-1];
		}
	}
	int q;
	cin >> q;
	while (q--) {
		int a,b;
		cin >> a >> b;
		int haha = 0;
		for (int i=24;i>=0;i--) {
			if (dp[a][i] < b) {
				a = dp[a][i]+1;
				haha+=(1<<i);
			}
		}
		cout << haha+1 << endl;
	} 
}    
                                
signed main() { 
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    //cin >> t; 
    while (t --> 0) solve();
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	44368 KB	Output is correct
2	Correct	90 ms	43856 KB	Output is correct
3	Correct	95 ms	44112 KB	Output is correct
4	Correct	93 ms	44368 KB	Output is correct
5	Correct	98 ms	46416 KB	Output is correct
6	Correct	85 ms	42072 KB	Output is correct
7	Correct	93 ms	42988 KB	Output is correct
8	Correct	91 ms	43348 KB	Output is correct
9	Correct	103 ms	44368 KB	Output is correct
10	Correct	96 ms	42836 KB	Output is correct
11	Correct	220 ms	57264 KB	Output is correct
12	Correct	191 ms	53772 KB	Output is correct
13	Correct	193 ms	53864 KB	Output is correct
14	Correct	185 ms	51968 KB	Output is correct
15	Correct	177 ms	48976 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	89 ms	44948 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	1628 KB	Output is correct
2	Correct	8 ms	1368 KB	Output is correct
3	Correct	8 ms	1372 KB	Output is correct
4	Correct	8 ms	1368 KB	Output is correct
5	Correct	8 ms	1372 KB	Output is correct
6	Correct	8 ms	1628 KB	Output is correct
7	Correct	9 ms	1368 KB	Output is correct
8	Correct	8 ms	1880 KB	Output is correct
9	Correct	9 ms	1372 KB	Output is correct
10	Correct	9 ms	1576 KB	Output is correct
11	Correct	9 ms	1884 KB	Output is correct
12	Correct	9 ms	1628 KB	Output is correct
13	Correct	9 ms	1724 KB	Output is correct
14	Correct	9 ms	1628 KB	Output is correct
15	Correct	9 ms	1624 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	8 ms	1488 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	1628 KB	Output is correct
2	Correct	8 ms	1368 KB	Output is correct
3	Correct	8 ms	1372 KB	Output is correct
4	Correct	8 ms	1368 KB	Output is correct
5	Correct	8 ms	1372 KB	Output is correct
6	Correct	8 ms	1628 KB	Output is correct
7	Correct	9 ms	1368 KB	Output is correct
8	Correct	8 ms	1880 KB	Output is correct
9	Correct	9 ms	1372 KB	Output is correct
10	Correct	9 ms	1576 KB	Output is correct
11	Correct	9 ms	1884 KB	Output is correct
12	Correct	9 ms	1628 KB	Output is correct
13	Correct	9 ms	1724 KB	Output is correct
14	Correct	9 ms	1628 KB	Output is correct
15	Correct	9 ms	1624 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	8 ms	1488 KB	Output is correct
18	Correct	272 ms	4044 KB	Output is correct
19	Correct	241 ms	3920 KB	Output is correct
20	Correct	268 ms	4184 KB	Output is correct
21	Correct	249 ms	3828 KB	Output is correct
22	Correct	273 ms	3920 KB	Output is correct
23	Correct	261 ms	4004 KB	Output is correct
24	Correct	259 ms	4020 KB	Output is correct
25	Correct	267 ms	3980 KB	Output is correct
26	Correct	259 ms	3948 KB	Output is correct
27	Correct	245 ms	4144 KB	Output is correct
28	Correct	242 ms	3836 KB	Output is correct
29	Correct	244 ms	3904 KB	Output is correct
30	Correct	247 ms	3764 KB	Output is correct
31	Correct	238 ms	3680 KB	Output is correct
32	Correct	229 ms	3760 KB	Output is correct
33	Correct	0 ms	512 KB	Output is correct
34	Correct	249 ms	3908 KB	Output is correct

Subtask #4

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	101 ms	46416 KB	Output is correct
2	Correct	93 ms	45596 KB	Output is correct
3	Correct	85 ms	42324 KB	Output is correct
4	Correct	86 ms	42036 KB	Output is correct
5	Correct	88 ms	43344 KB	Output is correct
6	Correct	85 ms	42580 KB	Output is correct
7	Correct	88 ms	42224 KB	Output is correct
8	Correct	89 ms	42464 KB	Output is correct
9	Correct	95 ms	42064 KB	Output is correct
10	Correct	99 ms	45392 KB	Output is correct
11	Correct	195 ms	53260 KB	Output is correct
12	Correct	225 ms	58448 KB	Output is correct
13	Correct	191 ms	53072 KB	Output is correct
14	Correct	182 ms	48732 KB	Output is correct
15	Correct	194 ms	52612 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	88 ms	43064 KB	Output is correct

Subtask #5

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	44368 KB	Output is correct
2	Correct	90 ms	43856 KB	Output is correct
3	Correct	95 ms	44112 KB	Output is correct
4	Correct	93 ms	44368 KB	Output is correct
5	Correct	98 ms	46416 KB	Output is correct
6	Correct	85 ms	42072 KB	Output is correct
7	Correct	93 ms	42988 KB	Output is correct
8	Correct	91 ms	43348 KB	Output is correct
9	Correct	103 ms	44368 KB	Output is correct
10	Correct	96 ms	42836 KB	Output is correct
11	Correct	220 ms	57264 KB	Output is correct
12	Correct	191 ms	53772 KB	Output is correct
13	Correct	193 ms	53864 KB	Output is correct
14	Correct	185 ms	51968 KB	Output is correct
15	Correct	177 ms	48976 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	89 ms	44948 KB	Output is correct
18	Correct	9 ms	1628 KB	Output is correct
19	Correct	8 ms	1368 KB	Output is correct
20	Correct	8 ms	1372 KB	Output is correct
21	Correct	8 ms	1368 KB	Output is correct
22	Correct	8 ms	1372 KB	Output is correct
23	Correct	8 ms	1628 KB	Output is correct
24	Correct	9 ms	1368 KB	Output is correct
25	Correct	8 ms	1880 KB	Output is correct
26	Correct	9 ms	1372 KB	Output is correct
27	Correct	9 ms	1576 KB	Output is correct
28	Correct	9 ms	1884 KB	Output is correct
29	Correct	9 ms	1628 KB	Output is correct
30	Correct	9 ms	1724 KB	Output is correct
31	Correct	9 ms	1628 KB	Output is correct
32	Correct	9 ms	1624 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	8 ms	1488 KB	Output is correct
35	Correct	272 ms	4044 KB	Output is correct
36	Correct	241 ms	3920 KB	Output is correct
37	Correct	268 ms	4184 KB	Output is correct
38	Correct	249 ms	3828 KB	Output is correct
39	Correct	273 ms	3920 KB	Output is correct
40	Correct	261 ms	4004 KB	Output is correct
41	Correct	259 ms	4020 KB	Output is correct
42	Correct	267 ms	3980 KB	Output is correct
43	Correct	259 ms	3948 KB	Output is correct
44	Correct	245 ms	4144 KB	Output is correct
45	Correct	242 ms	3836 KB	Output is correct
46	Correct	244 ms	3904 KB	Output is correct
47	Correct	247 ms	3764 KB	Output is correct
48	Correct	238 ms	3680 KB	Output is correct
49	Correct	229 ms	3760 KB	Output is correct
50	Correct	0 ms	512 KB	Output is correct
51	Correct	249 ms	3908 KB	Output is correct
52	Correct	101 ms	46416 KB	Output is correct
53	Correct	93 ms	45596 KB	Output is correct
54	Correct	85 ms	42324 KB	Output is correct
55	Correct	86 ms	42036 KB	Output is correct
56	Correct	88 ms	43344 KB	Output is correct
57	Correct	85 ms	42580 KB	Output is correct
58	Correct	88 ms	42224 KB	Output is correct
59	Correct	89 ms	42464 KB	Output is correct
60	Correct	95 ms	42064 KB	Output is correct
61	Correct	99 ms	45392 KB	Output is correct
62	Correct	195 ms	53260 KB	Output is correct
63	Correct	225 ms	58448 KB	Output is correct
64	Correct	191 ms	53072 KB	Output is correct
65	Correct	182 ms	48732 KB	Output is correct
66	Correct	194 ms	52612 KB	Output is correct
67	Correct	0 ms	348 KB	Output is correct
68	Correct	88 ms	43064 KB	Output is correct
69	Correct	502 ms	46912 KB	Output is correct
70	Correct	531 ms	49256 KB	Output is correct
71	Correct	509 ms	45528 KB	Output is correct
72	Correct	474 ms	47672 KB	Output is correct
73	Correct	512 ms	47132 KB	Output is correct
74	Correct	510 ms	49636 KB	Output is correct
75	Correct	477 ms	46164 KB	Output is correct
76	Correct	505 ms	49768 KB	Output is correct
77	Correct	435 ms	45988 KB	Output is correct
78	Correct	509 ms	46728 KB	Output is correct
79	Correct	490 ms	60816 KB	Output is correct
80	Correct	437 ms	56244 KB	Output is correct
81	Correct	457 ms	55904 KB	Output is correct
82	Correct	462 ms	52820 KB	Output is correct
83	Correct	413 ms	50256 KB	Output is correct
84	Correct	0 ms	344 KB	Output is correct
85	Correct	358 ms	46052 KB	Output is correct