#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define int long long
constexpr int sz = 2e5 + 5;
int n, a[sz], pref[sz], suff[sz];
int ans = (int)1E18 + 7;
signed main(){
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> n;
for(register int i = 1; i <= n; ++i){
cin >> a[i];
}
for(register int i = 1; i <= n; ++i){
pref[i] = pref[i-1] + max(0ll, a[i-1] - a[i] + 1);
}
for(register int i = n; i >= 1; --i){
suff[i] = suff[i+1] + max(0ll, a[i+1] - a[i] + 1);
}
for(register int i = 1; i <= n; ++i){
ans = min(ans, max(pref[i], suff[i]));
}
cout << ans << '\n';
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:17:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
17 | for(register int i = 1; i <= n; ++i){
| ^
Main.cpp:21:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
21 | for(register int i = 1; i <= n; ++i){
| ^
Main.cpp:25:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
25 | for(register int i = n; i >= 1; --i){
| ^
Main.cpp:29:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
29 | for(register int i = 1; i <= n; ++i){
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 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 |
2 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
2 ms |
2532 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2392 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 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 |
2392 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 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 |
2 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
2 ms |
2532 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2392 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 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 |
2392 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
18 ms |
7060 KB |
Output is correct |
| 27 |
Correct |
17 ms |
7004 KB |
Output is correct |
| 28 |
Correct |
17 ms |
7104 KB |
Output is correct |
| 29 |
Correct |
17 ms |
7000 KB |
Output is correct |
| 30 |
Correct |
14 ms |
6236 KB |
Output is correct |
| 31 |
Correct |
17 ms |
7004 KB |
Output is correct |
| 32 |
Correct |
18 ms |
7004 KB |
Output is correct |
| 33 |
Correct |
17 ms |
6844 KB |
Output is correct |
| 34 |
Correct |
22 ms |
6996 KB |
Output is correct |
| 35 |
Correct |
13 ms |
6232 KB |
Output is correct |
| 36 |
Correct |
13 ms |
6236 KB |
Output is correct |
| 37 |
Correct |
14 ms |
6368 KB |
Output is correct |
| 38 |
Correct |
17 ms |
7004 KB |
Output is correct |
| 39 |
Correct |
17 ms |
6996 KB |
Output is correct |
| 40 |
Correct |
19 ms |
6992 KB |
Output is correct |
| 41 |
Correct |
16 ms |
6996 KB |
Output is correct |
| 42 |
Correct |
16 ms |
6748 KB |
Output is correct |
| 43 |
Correct |
19 ms |
6996 KB |
Output is correct |
| 44 |
Correct |
17 ms |
7004 KB |
Output is correct |
| 45 |
Correct |
20 ms |
7004 KB |
Output is correct |
| 46 |
Correct |
16 ms |
7004 KB |
Output is correct |
| 47 |
Correct |
17 ms |
6916 KB |
Output is correct |
| 48 |
Correct |
17 ms |
7004 KB |
Output is correct |
