#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
#define endl '\n'
#define pl(var) " [" << #var << ": " << (var) << "] "
#define ll long long
void solve() {
// get the longest sequence satisfying this
int n, h; cin >> n >> h;
vector<int> arr(n + 1);
for (int i = 1; i <= n; i++) cin >> arr[i];
vector<int> dp(n + 1, 0);
dp[0] = 0;
for (int i = 1; i <= n; i++) {
// dp[i] = 1;
// cout << pl(i) << endl;
if (i * h >= arr[i]) {
dp[i] = 1;
} else {
continue;
}
for (int j = i - 1; j >= 1; j--) {
// cout << pl(j) << pl(dp[j]) << pl(arr[j]) << endl;
if (arr[j] >= arr[i]) {
dp[i] = max(dp[i], dp[j] + 1);
} else if (arr[j] + (i - j) * h >= arr[i]) {
dp[i] = max(dp[i], dp[j] + 1);
}
}
// cout << pl(dp[i]) << endl;
}
int ans = 0;
for (int i = 0; i <= n; i++) ans = max(ans, dp[i]);
cout << (n - ans) << endl;
}
int main() {
// freopen(".in", "r", stdin);
// freopen(".out", "w", stdout);
ios::sync_with_stdio(false);
cin.tie(nullptr);
int T = 1;
// cin >> T;
while (T--)
solve();
}
| # |
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 |
320 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 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 |
320 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
320 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
29 ms |
324 KB |
Output is correct |
| 21 |
Correct |
44 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
360 KB |
Output is correct |
| 23 |
Correct |
51 ms |
328 KB |
Output is correct |
| 24 |
Correct |
54 ms |
340 KB |
Output is correct |
| 25 |
Correct |
48 ms |
340 KB |
Output is correct |
| 26 |
Correct |
48 ms |
360 KB |
Output is correct |
| 27 |
Correct |
29 ms |
340 KB |
Output is correct |
| 28 |
Correct |
45 ms |
368 KB |
Output is correct |
| 29 |
Correct |
47 ms |
340 KB |
Output is correct |
| 30 |
Correct |
48 ms |
456 KB |
Output is correct |
| 31 |
Correct |
29 ms |
372 KB |
Output is correct |
| 32 |
Correct |
47 ms |
364 KB |
Output is correct |
| 33 |
Correct |
48 ms |
364 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 |
212 KB |
Output is correct |
| 4 |
Correct |
29 ms |
324 KB |
Output is correct |
| 5 |
Correct |
44 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
360 KB |
Output is correct |
| 7 |
Correct |
51 ms |
328 KB |
Output is correct |
| 8 |
Correct |
54 ms |
340 KB |
Output is correct |
| 9 |
Correct |
48 ms |
340 KB |
Output is correct |
| 10 |
Correct |
48 ms |
360 KB |
Output is correct |
| 11 |
Correct |
29 ms |
340 KB |
Output is correct |
| 12 |
Correct |
45 ms |
368 KB |
Output is correct |
| 13 |
Correct |
47 ms |
340 KB |
Output is correct |
| 14 |
Correct |
48 ms |
456 KB |
Output is correct |
| 15 |
Correct |
29 ms |
372 KB |
Output is correct |
| 16 |
Correct |
47 ms |
364 KB |
Output is correct |
| 17 |
Correct |
48 ms |
364 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 |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
316 KB |
Output is correct |
| 23 |
Correct |
0 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
320 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 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 |
392 KB |
Output is correct |
| 35 |
Correct |
2 ms |
340 KB |
Output is correct |
| 36 |
Correct |
2 ms |
340 KB |
Output is correct |
| 37 |
Correct |
52 ms |
368 KB |
Output is correct |
| 38 |
Correct |
35 ms |
388 KB |
Output is correct |
| 39 |
Correct |
50 ms |
340 KB |
Output is correct |
| 40 |
Correct |
27 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
364 KB |
Output is correct |
| 42 |
Correct |
47 ms |
340 KB |
Output is correct |
| 43 |
Correct |
51 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
392 KB |
Output is correct |
| 2 |
Correct |
2 ms |
340 KB |
Output is correct |
| 3 |
Correct |
2 ms |
340 KB |
Output is correct |
| 4 |
Correct |
52 ms |
368 KB |
Output is correct |
| 5 |
Correct |
35 ms |
388 KB |
Output is correct |
| 6 |
Correct |
50 ms |
340 KB |
Output is correct |
| 7 |
Correct |
27 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
47 ms |
340 KB |
Output is correct |
| 10 |
Correct |
51 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
29 ms |
324 KB |
Output is correct |
| 15 |
Correct |
44 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
360 KB |
Output is correct |
| 17 |
Correct |
51 ms |
328 KB |
Output is correct |
| 18 |
Correct |
54 ms |
340 KB |
Output is correct |
| 19 |
Correct |
48 ms |
340 KB |
Output is correct |
| 20 |
Correct |
48 ms |
360 KB |
Output is correct |
| 21 |
Correct |
29 ms |
340 KB |
Output is correct |
| 22 |
Correct |
45 ms |
368 KB |
Output is correct |
| 23 |
Correct |
47 ms |
340 KB |
Output is correct |
| 24 |
Correct |
48 ms |
456 KB |
Output is correct |
| 25 |
Correct |
29 ms |
372 KB |
Output is correct |
| 26 |
Correct |
47 ms |
364 KB |
Output is correct |
| 27 |
Correct |
48 ms |
364 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 |
320 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
316 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
212 KB |
Output is correct |
| 35 |
Correct |
1 ms |
320 KB |
Output is correct |
| 36 |
Correct |
1 ms |
212 KB |
Output is correct |
| 37 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
| 41 |
Correct |
1 ms |
212 KB |
Output is correct |
| 42 |
Correct |
1 ms |
212 KB |
Output is correct |
| 43 |
Correct |
1 ms |
212 KB |
Output is correct |
| 44 |
Execution timed out |
1076 ms |
2276 KB |
Time limit exceeded |
| 45 |
Halted |
0 ms |
0 KB |
- |
