#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math,inline")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,lzcnt,mmx,abm,avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
const int N = 5e3+1, inf = INT_MAX;
int n, m, mx, a[N];
vector<int> suf, dp[2];
signed main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> n >> m;
a[0] = 0;
mx = 0;
for (int i = 1; i <= n; i++) {
cin >> a[i];
mx = max(mx, a[i]);
}
dp[0].clear();
dp[0].resize(1);
dp[0][0] = 0;
for (int i = 1; i <= n; i++) {
int x = min(mx+1, m*(i-1) + 1);
suf.clear();
suf.resize(x);
for (int j = x-1; j >= 0; j--) {
suf[j] = min(dp[(i-1)%2][j], (j+1 < x ? suf[j+1] : inf));
}
int y = min(mx+1, m*i + 1);
dp[i%2].clear();
dp[i%2].resize(y);
for (int j = 0; j < y; j++) {
dp[i%2][j] = suf[max(0, j-m)] + (j != a[i]);
}
}
int ans = inf;
for (int i = 0; i <= min(mx, n*m); i++) {
ans = min(ans, dp[n%2][i]);
}
cout << ans << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
96 ms |
528 KB |
Output is correct |
24 |
Correct |
96 ms |
344 KB |
Output is correct |
25 |
Correct |
39 ms |
348 KB |
Output is correct |
26 |
Correct |
96 ms |
348 KB |
Output is correct |
27 |
Correct |
49 ms |
668 KB |
Output is correct |
28 |
Correct |
49 ms |
676 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
18 ms |
348 KB |
Output is correct |
31 |
Correct |
49 ms |
600 KB |
Output is correct |
32 |
Correct |
96 ms |
544 KB |
Output is correct |
33 |
Correct |
96 ms |
548 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
96 ms |
528 KB |
Output is correct |
8 |
Correct |
96 ms |
344 KB |
Output is correct |
9 |
Correct |
39 ms |
348 KB |
Output is correct |
10 |
Correct |
96 ms |
348 KB |
Output is correct |
11 |
Correct |
49 ms |
668 KB |
Output is correct |
12 |
Correct |
49 ms |
676 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
18 ms |
348 KB |
Output is correct |
15 |
Correct |
49 ms |
600 KB |
Output is correct |
16 |
Correct |
96 ms |
544 KB |
Output is correct |
17 |
Correct |
96 ms |
548 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
344 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Execution timed out |
1086 ms |
22156 KB |
Time limit exceeded |
36 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Execution timed out |
1086 ms |
22156 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |