#include <bits/stdc++.h>
using namespace std;
#ifdef ngu
#include "debug.h"
#else
#define debug(...) 42
#endif
#define int long long
const int N = (int) 2e5 + 5;
int n;
int a[N];
int L[N], R[N];
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
#ifdef ngu
freopen("test.inp", "r", stdin);
freopen("test.out", "w", stdout);
#endif
cin >> n;
for (int i = 1; i <= n; ++i) {
cin >> a[i];
if (i > 1) {
L[i] = L[i - 1] + max(0LL, a[i - 1] - a[i] + 1);
}
}
for (int i = n - 1; i >= 1; --i) {
R[i] = R[i + 1] + max(0LL, a[i + 1] - a[i] + 1);
}
const int INF = (int) 1e18;
int res = INF;
for (int i = 1; i <= n; ++i) {
res = min(res, max(L[i], R[i]));
}
cout << res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2512 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2648 KB |
Output is correct |
17 |
Correct |
1 ms |
2524 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2516 KB |
Output is correct |
20 |
Correct |
2 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2552 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2512 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2648 KB |
Output is correct |
17 |
Correct |
1 ms |
2524 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2516 KB |
Output is correct |
20 |
Correct |
2 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2552 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2392 KB |
Output is correct |
26 |
Correct |
20 ms |
7004 KB |
Output is correct |
27 |
Correct |
21 ms |
6860 KB |
Output is correct |
28 |
Correct |
19 ms |
7004 KB |
Output is correct |
29 |
Correct |
20 ms |
7004 KB |
Output is correct |
30 |
Correct |
14 ms |
6236 KB |
Output is correct |
31 |
Correct |
17 ms |
7000 KB |
Output is correct |
32 |
Correct |
17 ms |
7000 KB |
Output is correct |
33 |
Correct |
18 ms |
6860 KB |
Output is correct |
34 |
Correct |
17 ms |
6964 KB |
Output is correct |
35 |
Correct |
14 ms |
6240 KB |
Output is correct |
36 |
Correct |
15 ms |
6232 KB |
Output is correct |
37 |
Correct |
15 ms |
6236 KB |
Output is correct |
38 |
Correct |
17 ms |
7060 KB |
Output is correct |
39 |
Correct |
18 ms |
6996 KB |
Output is correct |
40 |
Correct |
17 ms |
7112 KB |
Output is correct |
41 |
Correct |
17 ms |
6980 KB |
Output is correct |
42 |
Correct |
22 ms |
6812 KB |
Output is correct |
43 |
Correct |
17 ms |
6992 KB |
Output is correct |
44 |
Correct |
17 ms |
7008 KB |
Output is correct |
45 |
Correct |
17 ms |
7048 KB |
Output is correct |
46 |
Correct |
17 ms |
7004 KB |
Output is correct |
47 |
Correct |
17 ms |
6996 KB |
Output is correct |
48 |
Correct |
17 ms |
7064 KB |
Output is correct |