답안 #444986

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
444986	2021-07-16T07:30:27 Z	Nima_Naderi	Global Warming (CEOI18_glo)	C++14	100 / 100	254 ms	19652 KB

//In the name of GOD
//#pragma GCC optimize("O2")
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
const ll MXN = 1e6 + 10;
const ll INF = 1e18;
ll n, d, lans, ans;
ll A[MXN], B[MXN], M[MXN], Mp[MXN];
ll dp[MXN], mx[MXN], rig[MXN];
vector<ll> Num;
ll GetId(ll x){
	return lower_bound(Num.begin(), Num.end(), x) - Num.begin() + 1;
}
void LIS(ll up, bool f){
	dp[0] = -INF, mx[0] = lans = 0;
	for(int i = 1; i <= up; i ++) dp[i] = INF;
	for(int i = 1; i <= up; i ++){
		if(f) rig[n - i + 1] = lower_bound(dp, dp + lans + 1, Mp[i]) - dp;
		mx[i] = lower_bound(dp, dp + lans + 1, M[i]) - dp;
		if(!f) ans = max(ans, mx[i] + rig[i] - 1);
		lans = max(lans, mx[i]);
		dp[mx[i]] = M[i];
	}
}
int main(){
	ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
	cin >> n >> d;
	for(int i = 1; i <= n; i ++){
		cin >> A[i], B[i] = A[i] - d;
		Num.push_back(A[i]);
		Num.push_back(B[i]);
		Num.push_back(-A[i]);
		Num.push_back(-B[i]);
	}
	sort(Num.begin(), Num.end());
	Num.resize(unique(Num.begin(), Num.end()) - Num.begin());
	for(int i = 1; i <= n; i ++) M[i] = GetId(-A[n - i + 1]);
	for(int i = 1; i <= n; i ++) Mp[i] = GetId(-B[n - i + 1]);
	LIS(n, 1);
	for(int i = 1; i <= n; i ++) M[i] = GetId(A[i]);
	LIS(n, 0);
	ans = max(ans, lans);
	cout << ans << '\n';
	return 0;
}
// NNG

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	460 KB	Output is correct
20	Correct	1 ms	460 KB	Output is correct
21	Correct	1 ms	460 KB	Output is correct
22	Correct	1 ms	448 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	460 KB	Output is correct
25	Correct	1 ms	460 KB	Output is correct
26	Correct	1 ms	460 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	243 ms	19596 KB	Output is correct
2	Correct	240 ms	19584 KB	Output is correct
3	Correct	241 ms	19528 KB	Output is correct
4	Correct	237 ms	19576 KB	Output is correct
5	Correct	104 ms	18824 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	55 ms	5228 KB	Output is correct
2	Correct	55 ms	5224 KB	Output is correct
3	Correct	55 ms	5280 KB	Output is correct
4	Correct	26 ms	4984 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	28 ms	5060 KB	Output is correct
7	Correct	46 ms	5232 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	117 ms	9980 KB	Output is correct
2	Correct	118 ms	10112 KB	Output is correct
3	Correct	254 ms	19576 KB	Output is correct
4	Correct	118 ms	18792 KB	Output is correct
5	Correct	65 ms	9576 KB	Output is correct
6	Correct	124 ms	18164 KB	Output is correct
7	Correct	129 ms	18696 KB	Output is correct
8	Correct	93 ms	9996 KB	Output is correct

Subtask #7
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	460 KB	Output is correct
20	Correct	1 ms	460 KB	Output is correct
21	Correct	1 ms	460 KB	Output is correct
22	Correct	1 ms	448 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	460 KB	Output is correct
25	Correct	1 ms	460 KB	Output is correct
26	Correct	1 ms	460 KB	Output is correct
27	Correct	243 ms	19596 KB	Output is correct
28	Correct	240 ms	19584 KB	Output is correct
29	Correct	241 ms	19528 KB	Output is correct
30	Correct	237 ms	19576 KB	Output is correct
31	Correct	104 ms	18824 KB	Output is correct
32	Correct	55 ms	5228 KB	Output is correct
33	Correct	55 ms	5224 KB	Output is correct
34	Correct	55 ms	5280 KB	Output is correct
35	Correct	26 ms	4984 KB	Output is correct
36	Correct	0 ms	332 KB	Output is correct
37	Correct	28 ms	5060 KB	Output is correct
38	Correct	46 ms	5232 KB	Output is correct
39	Correct	117 ms	9980 KB	Output is correct
40	Correct	118 ms	10112 KB	Output is correct
41	Correct	254 ms	19576 KB	Output is correct
42	Correct	118 ms	18792 KB	Output is correct
43	Correct	65 ms	9576 KB	Output is correct
44	Correct	124 ms	18164 KB	Output is correct
45	Correct	129 ms	18696 KB	Output is correct
46	Correct	93 ms	9996 KB	Output is correct
47	Correct	120 ms	10056 KB	Output is correct
48	Correct	119 ms	10072 KB	Output is correct
49	Correct	254 ms	19652 KB	Output is correct
50	Correct	109 ms	18852 KB	Output is correct
51	Correct	102 ms	14264 KB	Output is correct
52	Correct	134 ms	18856 KB	Output is correct
53	Correct	125 ms	18952 KB	Output is correct
54	Correct	133 ms	19640 KB	Output is correct
55	Correct	200 ms	19576 KB	Output is correct

답안 #444986

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0