#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define int long long
using namespace std;
const int N = 1e5 + 10;
const int mod = 1e9 + 7;
const int inf = 1e18 + 1;
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n;
cin >> n;
vector<int>a(n + 1),pref(n + 1),suf(n + 1);
int mx = 0;
for(int i = 1; i <= n; i++) {
cin >> a[i];
if(i > 1) {
int diff = a[i - 1] - a[i] + 1;
pref[i] = pref[i - 1] + max(0ll,diff);
}
}
for(int i = n - 1; i >= 1; i--) {
int diff = a[i + 1] - a[i] + 1;
suf[i] = suf[i + 1] + max(0ll,diff);
}
int res = inf;
for(int i = 1; i <= n; i++) res = min(res,max(pref[i],suf[i]));
cout << res;
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:27:6: warning: unused variable 'mx' [-Wunused-variable]
27 | int mx = 0;
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
504 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 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 |
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 |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 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 |
1 ms |
720 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
604 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
504 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 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 |
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 |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 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 |
1 ms |
720 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
604 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
18 ms |
7004 KB |
Output is correct |
| 27 |
Correct |
18 ms |
7004 KB |
Output is correct |
| 28 |
Correct |
18 ms |
7248 KB |
Output is correct |
| 29 |
Correct |
19 ms |
7252 KB |
Output is correct |
| 30 |
Correct |
15 ms |
6236 KB |
Output is correct |
| 31 |
Correct |
18 ms |
7072 KB |
Output is correct |
| 32 |
Correct |
17 ms |
7004 KB |
Output is correct |
| 33 |
Correct |
18 ms |
6992 KB |
Output is correct |
| 34 |
Correct |
19 ms |
7004 KB |
Output is correct |
| 35 |
Correct |
14 ms |
6232 KB |
Output is correct |
| 36 |
Correct |
15 ms |
6236 KB |
Output is correct |
| 37 |
Correct |
17 ms |
6488 KB |
Output is correct |
| 38 |
Correct |
18 ms |
6996 KB |
Output is correct |
| 39 |
Correct |
18 ms |
7004 KB |
Output is correct |
| 40 |
Correct |
17 ms |
7064 KB |
Output is correct |
| 41 |
Correct |
17 ms |
7416 KB |
Output is correct |
| 42 |
Correct |
16 ms |
6748 KB |
Output is correct |
| 43 |
Correct |
17 ms |
6948 KB |
Output is correct |
| 44 |
Correct |
18 ms |
7004 KB |
Output is correct |
| 45 |
Correct |
17 ms |
6980 KB |
Output is correct |
| 46 |
Correct |
17 ms |
7000 KB |
Output is correct |
| 47 |
Correct |
17 ms |
7072 KB |
Output is correct |
| 48 |
Correct |
19 ms |
7000 KB |
Output is correct |
