#include "bits/stdc++.h"
using namespace std;
using ll = long long;
const int inf = 1e9;
void solve() {
int n, m;
cin >> n >> m;
vector<int> a(n + 1), dp(n + 1, -inf);
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
dp[0] = 0;
for (int i = 0; i < n; i++) {
dp[n] = max(dp[n], dp[i]);
for (int j = i + 1; j <= n; j++) {
if (a[j] <= a[i] + m * (j - i)) {
dp[j] = max(dp[j], dp[i] + 1);
}
}
}
cout << n - dp[n];
}
int main() {
ios_base::sync_with_stdio(false);
cout.tie(nullptr);
cin.tie(nullptr);
int queries = 1;
#ifdef test_cases
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
cin >> queries;
#else
// cin >> queries;
#endif
for (int test_case = 1; test_case <= queries; test_case++) {
solve();
cout << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
10 ms |
356 KB |
Output is correct |
21 |
Correct |
14 ms |
340 KB |
Output is correct |
22 |
Correct |
37 ms |
336 KB |
Output is correct |
23 |
Correct |
16 ms |
384 KB |
Output is correct |
24 |
Correct |
14 ms |
324 KB |
Output is correct |
25 |
Correct |
14 ms |
380 KB |
Output is correct |
26 |
Correct |
23 ms |
340 KB |
Output is correct |
27 |
Correct |
17 ms |
340 KB |
Output is correct |
28 |
Correct |
15 ms |
384 KB |
Output is correct |
29 |
Correct |
14 ms |
372 KB |
Output is correct |
30 |
Correct |
14 ms |
340 KB |
Output is correct |
31 |
Correct |
12 ms |
376 KB |
Output is correct |
32 |
Correct |
25 ms |
332 KB |
Output is correct |
33 |
Correct |
14 ms |
380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
10 ms |
356 KB |
Output is correct |
5 |
Correct |
14 ms |
340 KB |
Output is correct |
6 |
Correct |
37 ms |
336 KB |
Output is correct |
7 |
Correct |
16 ms |
384 KB |
Output is correct |
8 |
Correct |
14 ms |
324 KB |
Output is correct |
9 |
Correct |
14 ms |
380 KB |
Output is correct |
10 |
Correct |
23 ms |
340 KB |
Output is correct |
11 |
Correct |
17 ms |
340 KB |
Output is correct |
12 |
Correct |
15 ms |
384 KB |
Output is correct |
13 |
Correct |
14 ms |
372 KB |
Output is correct |
14 |
Correct |
14 ms |
340 KB |
Output is correct |
15 |
Correct |
12 ms |
376 KB |
Output is correct |
16 |
Correct |
25 ms |
332 KB |
Output is correct |
17 |
Correct |
14 ms |
380 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
320 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
38 ms |
340 KB |
Output is correct |
35 |
Correct |
38 ms |
340 KB |
Output is correct |
36 |
Correct |
47 ms |
388 KB |
Output is correct |
37 |
Correct |
15 ms |
340 KB |
Output is correct |
38 |
Correct |
16 ms |
340 KB |
Output is correct |
39 |
Correct |
14 ms |
340 KB |
Output is correct |
40 |
Correct |
14 ms |
340 KB |
Output is correct |
41 |
Correct |
15 ms |
340 KB |
Output is correct |
42 |
Correct |
15 ms |
340 KB |
Output is correct |
43 |
Correct |
21 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
38 ms |
340 KB |
Output is correct |
2 |
Correct |
38 ms |
340 KB |
Output is correct |
3 |
Correct |
47 ms |
388 KB |
Output is correct |
4 |
Correct |
15 ms |
340 KB |
Output is correct |
5 |
Correct |
16 ms |
340 KB |
Output is correct |
6 |
Correct |
14 ms |
340 KB |
Output is correct |
7 |
Correct |
14 ms |
340 KB |
Output is correct |
8 |
Correct |
15 ms |
340 KB |
Output is correct |
9 |
Correct |
15 ms |
340 KB |
Output is correct |
10 |
Correct |
21 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
10 ms |
356 KB |
Output is correct |
15 |
Correct |
14 ms |
340 KB |
Output is correct |
16 |
Correct |
37 ms |
336 KB |
Output is correct |
17 |
Correct |
16 ms |
384 KB |
Output is correct |
18 |
Correct |
14 ms |
324 KB |
Output is correct |
19 |
Correct |
14 ms |
380 KB |
Output is correct |
20 |
Correct |
23 ms |
340 KB |
Output is correct |
21 |
Correct |
17 ms |
340 KB |
Output is correct |
22 |
Correct |
15 ms |
384 KB |
Output is correct |
23 |
Correct |
14 ms |
372 KB |
Output is correct |
24 |
Correct |
14 ms |
340 KB |
Output is correct |
25 |
Correct |
12 ms |
376 KB |
Output is correct |
26 |
Correct |
25 ms |
332 KB |
Output is correct |
27 |
Correct |
14 ms |
380 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
316 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
320 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Execution timed out |
1071 ms |
2260 KB |
Time limit exceeded |
45 |
Halted |
0 ms |
0 KB |
- |