/**
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||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|
**/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N_MAX = 200000;
int N;
int A[N_MAX + 2];
ll L[N_MAX + 2];
ll R[N_MAX + 2];
int main () {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> N;
for (int i = 1; i <= N; i++) {
cin >> A[i];
}
for (int i = 1; i <= N; i++) {
L[i] = L[i - 1] + max(0, A[i - 1] - A[i] + 1);
}
for (int i = N; i >= 1; i--) {
R[i] = R[i + 1] + max(0, A[i + 1] - A[i] + 1);
}
ll answer = LLONG_MAX;
for (int i = 1; i <= N; i++) {
answer = min(answer, max(L[i], R[i]));
}
cout << answer << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
25 ms |
6052 KB |
Output is correct |
| 27 |
Correct |
27 ms |
6088 KB |
Output is correct |
| 28 |
Correct |
24 ms |
6156 KB |
Output is correct |
| 29 |
Correct |
24 ms |
6124 KB |
Output is correct |
| 30 |
Correct |
26 ms |
5452 KB |
Output is correct |
| 31 |
Correct |
23 ms |
6104 KB |
Output is correct |
| 32 |
Correct |
25 ms |
6164 KB |
Output is correct |
| 33 |
Correct |
23 ms |
6092 KB |
Output is correct |
| 34 |
Correct |
24 ms |
6080 KB |
Output is correct |
| 35 |
Correct |
20 ms |
5336 KB |
Output is correct |
| 36 |
Correct |
19 ms |
5400 KB |
Output is correct |
| 37 |
Correct |
20 ms |
5384 KB |
Output is correct |
| 38 |
Correct |
23 ms |
6136 KB |
Output is correct |
| 39 |
Correct |
23 ms |
6168 KB |
Output is correct |
| 40 |
Correct |
23 ms |
6120 KB |
Output is correct |
| 41 |
Correct |
35 ms |
6092 KB |
Output is correct |
| 42 |
Correct |
26 ms |
5908 KB |
Output is correct |
| 43 |
Correct |
24 ms |
6156 KB |
Output is correct |
| 44 |
Correct |
27 ms |
6100 KB |
Output is correct |
| 45 |
Correct |
26 ms |
6160 KB |
Output is correct |
| 46 |
Correct |
40 ms |
6128 KB |
Output is correct |
| 47 |
Correct |
24 ms |
6068 KB |
Output is correct |
| 48 |
Correct |
30 ms |
6156 KB |
Output is correct |
