//package lis;
import java.io.*;
import java.util.*;
class triusis {
public static void main(String[] args) throws IOException {
triusis obj = new triusis();
obj.doStuff();
}
boolean check(int val, int m) {
long v1 = nums[lis[m]];
long v2 = nums[val];
v2 -= (val-lis[m])*inc;
return (v1 >= v2);
}
int bs(int val) {
int l = 0, r = count;
while (l < r) {
int m = (l+r)/2;
if (check(val, m)) {
if (lis[m+1]==-1) return m;
if (!check(val, m+1)) return m;
l = m+1;
} else r = m;
}
if (l==0) return (check(val, 0)) ? 0 : -1;
return l;
}
int[] lis; int count = 0;
void lis() {
lis = new int[nums.length+1];
Arrays.fill(lis, -1);
lis[0] = 0;
for (int i = 1; i < nums.length; i++) {
int pos = bs(i)+1;
if (pos==0) continue;
if (pos > count) count = pos;
lis[pos] = i;
}
}
long[] nums;
long inc;
private void doStuff() throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer(br.readLine());
nums = new long[Integer.parseInt(st.nextToken())+1];
inc = Integer.parseInt(st.nextToken());
for (int i = 1; i < nums.length; i++) {
nums[i] = Integer.parseInt(br.readLine());
}
br.close();
lis();
System.out.println(nums.length-1-count);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
71 ms |
8804 KB |
Output is correct |
2 |
Correct |
70 ms |
8552 KB |
Output is correct |
3 |
Correct |
74 ms |
8680 KB |
Output is correct |
4 |
Correct |
74 ms |
8556 KB |
Output is correct |
5 |
Correct |
71 ms |
8556 KB |
Output is correct |
6 |
Correct |
73 ms |
8540 KB |
Output is correct |
7 |
Correct |
69 ms |
8556 KB |
Output is correct |
8 |
Correct |
71 ms |
8696 KB |
Output is correct |
9 |
Correct |
71 ms |
8448 KB |
Output is correct |
10 |
Correct |
72 ms |
8556 KB |
Output is correct |
11 |
Correct |
76 ms |
8576 KB |
Output is correct |
12 |
Correct |
71 ms |
8556 KB |
Output is correct |
13 |
Correct |
69 ms |
8540 KB |
Output is correct |
14 |
Correct |
71 ms |
8556 KB |
Output is correct |
15 |
Correct |
72 ms |
8500 KB |
Output is correct |
16 |
Correct |
72 ms |
8556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
71 ms |
8804 KB |
Output is correct |
2 |
Correct |
70 ms |
8552 KB |
Output is correct |
3 |
Correct |
74 ms |
8680 KB |
Output is correct |
4 |
Correct |
74 ms |
8556 KB |
Output is correct |
5 |
Correct |
71 ms |
8556 KB |
Output is correct |
6 |
Correct |
73 ms |
8540 KB |
Output is correct |
7 |
Correct |
69 ms |
8556 KB |
Output is correct |
8 |
Correct |
71 ms |
8696 KB |
Output is correct |
9 |
Correct |
71 ms |
8448 KB |
Output is correct |
10 |
Correct |
72 ms |
8556 KB |
Output is correct |
11 |
Correct |
76 ms |
8576 KB |
Output is correct |
12 |
Correct |
71 ms |
8556 KB |
Output is correct |
13 |
Correct |
69 ms |
8540 KB |
Output is correct |
14 |
Correct |
71 ms |
8556 KB |
Output is correct |
15 |
Correct |
72 ms |
8500 KB |
Output is correct |
16 |
Correct |
72 ms |
8556 KB |
Output is correct |
17 |
Correct |
70 ms |
8556 KB |
Output is correct |
18 |
Correct |
72 ms |
8532 KB |
Output is correct |
19 |
Correct |
71 ms |
8556 KB |
Output is correct |
20 |
Correct |
106 ms |
9068 KB |
Output is correct |
21 |
Correct |
128 ms |
10024 KB |
Output is correct |
22 |
Correct |
161 ms |
12000 KB |
Output is correct |
23 |
Correct |
170 ms |
12000 KB |
Output is correct |
24 |
Correct |
173 ms |
11872 KB |
Output is correct |
25 |
Correct |
174 ms |
11996 KB |
Output is correct |
26 |
Correct |
211 ms |
12128 KB |
Output is correct |
27 |
Correct |
171 ms |
12000 KB |
Output is correct |
28 |
Correct |
185 ms |
12020 KB |
Output is correct |
29 |
Correct |
129 ms |
9872 KB |
Output is correct |
30 |
Correct |
172 ms |
11872 KB |
Output is correct |
31 |
Correct |
188 ms |
12092 KB |
Output is correct |
32 |
Correct |
169 ms |
11872 KB |
Output is correct |
33 |
Correct |
170 ms |
12124 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
70 ms |
8556 KB |
Output is correct |
2 |
Correct |
72 ms |
8532 KB |
Output is correct |
3 |
Correct |
71 ms |
8556 KB |
Output is correct |
4 |
Correct |
106 ms |
9068 KB |
Output is correct |
5 |
Correct |
128 ms |
10024 KB |
Output is correct |
6 |
Correct |
161 ms |
12000 KB |
Output is correct |
7 |
Correct |
170 ms |
12000 KB |
Output is correct |
8 |
Correct |
173 ms |
11872 KB |
Output is correct |
9 |
Correct |
174 ms |
11996 KB |
Output is correct |
10 |
Correct |
211 ms |
12128 KB |
Output is correct |
11 |
Correct |
171 ms |
12000 KB |
Output is correct |
12 |
Correct |
185 ms |
12020 KB |
Output is correct |
13 |
Correct |
129 ms |
9872 KB |
Output is correct |
14 |
Correct |
172 ms |
11872 KB |
Output is correct |
15 |
Correct |
188 ms |
12092 KB |
Output is correct |
16 |
Correct |
169 ms |
11872 KB |
Output is correct |
17 |
Correct |
170 ms |
12124 KB |
Output is correct |
18 |
Correct |
71 ms |
8804 KB |
Output is correct |
19 |
Correct |
70 ms |
8552 KB |
Output is correct |
20 |
Correct |
74 ms |
8680 KB |
Output is correct |
21 |
Correct |
74 ms |
8556 KB |
Output is correct |
22 |
Correct |
71 ms |
8556 KB |
Output is correct |
23 |
Correct |
73 ms |
8540 KB |
Output is correct |
24 |
Correct |
69 ms |
8556 KB |
Output is correct |
25 |
Correct |
71 ms |
8696 KB |
Output is correct |
26 |
Correct |
71 ms |
8448 KB |
Output is correct |
27 |
Correct |
72 ms |
8556 KB |
Output is correct |
28 |
Correct |
76 ms |
8576 KB |
Output is correct |
29 |
Correct |
71 ms |
8556 KB |
Output is correct |
30 |
Correct |
69 ms |
8540 KB |
Output is correct |
31 |
Correct |
71 ms |
8556 KB |
Output is correct |
32 |
Correct |
72 ms |
8500 KB |
Output is correct |
33 |
Correct |
72 ms |
8556 KB |
Output is correct |
34 |
Correct |
163 ms |
12128 KB |
Output is correct |
35 |
Correct |
168 ms |
12128 KB |
Output is correct |
36 |
Correct |
173 ms |
12256 KB |
Output is correct |
37 |
Correct |
185 ms |
11952 KB |
Output is correct |
38 |
Correct |
169 ms |
12000 KB |
Output is correct |
39 |
Correct |
184 ms |
12012 KB |
Output is correct |
40 |
Correct |
185 ms |
12240 KB |
Output is correct |
41 |
Correct |
162 ms |
11892 KB |
Output is correct |
42 |
Correct |
171 ms |
12128 KB |
Output is correct |
43 |
Correct |
175 ms |
12108 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
163 ms |
12128 KB |
Output is correct |
2 |
Correct |
168 ms |
12128 KB |
Output is correct |
3 |
Correct |
173 ms |
12256 KB |
Output is correct |
4 |
Correct |
185 ms |
11952 KB |
Output is correct |
5 |
Correct |
169 ms |
12000 KB |
Output is correct |
6 |
Correct |
184 ms |
12012 KB |
Output is correct |
7 |
Correct |
185 ms |
12240 KB |
Output is correct |
8 |
Correct |
162 ms |
11892 KB |
Output is correct |
9 |
Correct |
171 ms |
12128 KB |
Output is correct |
10 |
Correct |
175 ms |
12108 KB |
Output is correct |
11 |
Correct |
70 ms |
8556 KB |
Output is correct |
12 |
Correct |
72 ms |
8532 KB |
Output is correct |
13 |
Correct |
71 ms |
8556 KB |
Output is correct |
14 |
Correct |
106 ms |
9068 KB |
Output is correct |
15 |
Correct |
128 ms |
10024 KB |
Output is correct |
16 |
Correct |
161 ms |
12000 KB |
Output is correct |
17 |
Correct |
170 ms |
12000 KB |
Output is correct |
18 |
Correct |
173 ms |
11872 KB |
Output is correct |
19 |
Correct |
174 ms |
11996 KB |
Output is correct |
20 |
Correct |
211 ms |
12128 KB |
Output is correct |
21 |
Correct |
171 ms |
12000 KB |
Output is correct |
22 |
Correct |
185 ms |
12020 KB |
Output is correct |
23 |
Correct |
129 ms |
9872 KB |
Output is correct |
24 |
Correct |
172 ms |
11872 KB |
Output is correct |
25 |
Correct |
188 ms |
12092 KB |
Output is correct |
26 |
Correct |
169 ms |
11872 KB |
Output is correct |
27 |
Correct |
170 ms |
12124 KB |
Output is correct |
28 |
Correct |
71 ms |
8804 KB |
Output is correct |
29 |
Correct |
70 ms |
8552 KB |
Output is correct |
30 |
Correct |
74 ms |
8680 KB |
Output is correct |
31 |
Correct |
74 ms |
8556 KB |
Output is correct |
32 |
Correct |
71 ms |
8556 KB |
Output is correct |
33 |
Correct |
73 ms |
8540 KB |
Output is correct |
34 |
Correct |
69 ms |
8556 KB |
Output is correct |
35 |
Correct |
71 ms |
8696 KB |
Output is correct |
36 |
Correct |
71 ms |
8448 KB |
Output is correct |
37 |
Correct |
72 ms |
8556 KB |
Output is correct |
38 |
Correct |
76 ms |
8576 KB |
Output is correct |
39 |
Correct |
71 ms |
8556 KB |
Output is correct |
40 |
Correct |
69 ms |
8540 KB |
Output is correct |
41 |
Correct |
71 ms |
8556 KB |
Output is correct |
42 |
Correct |
72 ms |
8500 KB |
Output is correct |
43 |
Correct |
72 ms |
8556 KB |
Output is correct |
44 |
Correct |
230 ms |
15988 KB |
Output is correct |
45 |
Correct |
225 ms |
17524 KB |
Output is correct |
46 |
Correct |
242 ms |
17632 KB |
Output is correct |
47 |
Correct |
241 ms |
17628 KB |
Output is correct |
48 |
Correct |
239 ms |
16488 KB |
Output is correct |
49 |
Correct |
246 ms |
16624 KB |
Output is correct |
50 |
Correct |
293 ms |
17872 KB |
Output is correct |
51 |
Correct |
259 ms |
17632 KB |
Output is correct |
52 |
Correct |
260 ms |
16528 KB |
Output is correct |
53 |
Correct |
218 ms |
16832 KB |
Output is correct |
54 |
Correct |
240 ms |
16992 KB |
Output is correct |
55 |
Correct |
245 ms |
16736 KB |
Output is correct |