#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 1e6 + 7;
const ll INF = 1e18 + 7;
const int logo = 20;
const int off = 1 << logo;
ll pf[MAXN], arr[MAXN], sf[MAXN];
void solve(){
int n;
cin >> n;
for(int i=1; i<=n; i++) cin >> arr[i];
for(int i=2; i<=n; i++){
pf[i] = pf[i - 1];
if(arr[i] <= arr[i - 1]) pf[i] += 1 + arr[i - 1] - arr[i];
}
for(int i=n-1; i; i--){
sf[i] = sf[i + 1];
if(arr[i] <= arr[i + 1]) sf[i] += 1 + arr[i + 1] - arr[i];
}
ll ans = INF;
for(int i=1; i<=n; i++) ans = min(ans, max(pf[i], sf[i]));
cout << ans << "\n";
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int tt = 1;
//cin >> tt;
while(tt--) solve();
return 0;
}
| # |
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 |
2516 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 |
2396 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 |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2536 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2524 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 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 |
2516 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 |
2396 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 |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2536 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2524 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 22 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
20 ms |
10696 KB |
Output is correct |
| 27 |
Correct |
19 ms |
10800 KB |
Output is correct |
| 28 |
Correct |
21 ms |
10836 KB |
Output is correct |
| 29 |
Correct |
19 ms |
10836 KB |
Output is correct |
| 30 |
Correct |
15 ms |
10328 KB |
Output is correct |
| 31 |
Correct |
19 ms |
10844 KB |
Output is correct |
| 32 |
Correct |
18 ms |
10908 KB |
Output is correct |
| 33 |
Correct |
20 ms |
10836 KB |
Output is correct |
| 34 |
Correct |
19 ms |
10836 KB |
Output is correct |
| 35 |
Correct |
16 ms |
10076 KB |
Output is correct |
| 36 |
Correct |
18 ms |
10332 KB |
Output is correct |
| 37 |
Correct |
17 ms |
10304 KB |
Output is correct |
| 38 |
Correct |
19 ms |
11036 KB |
Output is correct |
| 39 |
Correct |
18 ms |
10876 KB |
Output is correct |
| 40 |
Correct |
19 ms |
10836 KB |
Output is correct |
| 41 |
Correct |
22 ms |
11148 KB |
Output is correct |
| 42 |
Correct |
18 ms |
10884 KB |
Output is correct |
| 43 |
Correct |
18 ms |
10924 KB |
Output is correct |
| 44 |
Correct |
18 ms |
10744 KB |
Output is correct |
| 45 |
Correct |
19 ms |
10832 KB |
Output is correct |
| 46 |
Correct |
19 ms |
10836 KB |
Output is correct |
| 47 |
Correct |
19 ms |
10832 KB |
Output is correct |
| 48 |
Correct |
18 ms |
10840 KB |
Output is correct |
