#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
int n, i;
cin >> n;
vector<ll> P(n), S(n), v(n);
for(i=0; i<n; i++) cin >> v[i];
for(i=1; i<n; i++) P[i] = max(0ll, v[i-1]-v[i]+1) + P[i-1];
for(i=n-2; i>=0; i--) S[i] = max(0ll, v[i+1]-v[i]+1) + S[i+1];
ll ans = 1e18;
for(i=0; i<n; i++) ans = min(ans, max(P[i], S[i]));
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
600 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
19 |
Correct |
1 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 |
2 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
600 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
19 |
Correct |
1 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 |
2 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
67 ms |
4956 KB |
Output is correct |
27 |
Correct |
55 ms |
4952 KB |
Output is correct |
28 |
Correct |
54 ms |
4956 KB |
Output is correct |
29 |
Correct |
55 ms |
4956 KB |
Output is correct |
30 |
Correct |
41 ms |
5140 KB |
Output is correct |
31 |
Correct |
58 ms |
5116 KB |
Output is correct |
32 |
Correct |
55 ms |
4952 KB |
Output is correct |
33 |
Correct |
58 ms |
4956 KB |
Output is correct |
34 |
Correct |
54 ms |
4956 KB |
Output is correct |
35 |
Correct |
39 ms |
4956 KB |
Output is correct |
36 |
Correct |
41 ms |
4956 KB |
Output is correct |
37 |
Correct |
42 ms |
4956 KB |
Output is correct |
38 |
Correct |
54 ms |
5120 KB |
Output is correct |
39 |
Correct |
54 ms |
4956 KB |
Output is correct |
40 |
Correct |
54 ms |
5120 KB |
Output is correct |
41 |
Correct |
54 ms |
4952 KB |
Output is correct |
42 |
Correct |
51 ms |
4952 KB |
Output is correct |
43 |
Correct |
55 ms |
5120 KB |
Output is correct |
44 |
Correct |
54 ms |
5120 KB |
Output is correct |
45 |
Correct |
54 ms |
4956 KB |
Output is correct |
46 |
Correct |
54 ms |
5124 KB |
Output is correct |
47 |
Correct |
81 ms |
4952 KB |
Output is correct |
48 |
Correct |
62 ms |
5124 KB |
Output is correct |