#include<bits/stdc++.h>
using namespace std;
long long n , a [200005] , suma , sumb , ans = 1e18 , dif [200005] , rdif [200005];
int main ()
{
cin >> n;
for ( int i = 1 ; i <= n ; i ++ )
{
cin >> a [i];
if ( i != 1 ) dif [i] = max ( 0ll , a [ i - 1 ] - a [i] + 1 );
dif [i] += dif [ i - 1 ];
}
for ( int i = n ; i >= 1 ; i -- )
{
if ( i != n ) rdif [i] = max ( 0ll , a [ i + 1 ] - a [i] + 1 );
rdif [i] += rdif [ i + 1 ];
}
for ( int i = 1 ; i <= n ; i ++ ) ans = min ( ans , max ( dif [i] , rdif [i] ) );
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
360 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
312 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 |
312 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 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 |
320 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
356 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
360 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
312 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 |
312 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 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 |
320 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
1 ms |
356 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
74 ms |
6880 KB |
Output is correct |
| 27 |
Correct |
75 ms |
6860 KB |
Output is correct |
| 28 |
Correct |
79 ms |
6832 KB |
Output is correct |
| 29 |
Correct |
78 ms |
6904 KB |
Output is correct |
| 30 |
Correct |
55 ms |
6152 KB |
Output is correct |
| 31 |
Correct |
77 ms |
6896 KB |
Output is correct |
| 32 |
Correct |
75 ms |
6988 KB |
Output is correct |
| 33 |
Correct |
73 ms |
6860 KB |
Output is correct |
| 34 |
Correct |
74 ms |
6944 KB |
Output is correct |
| 35 |
Correct |
52 ms |
6092 KB |
Output is correct |
| 36 |
Correct |
56 ms |
6184 KB |
Output is correct |
| 37 |
Correct |
54 ms |
6188 KB |
Output is correct |
| 38 |
Correct |
90 ms |
6844 KB |
Output is correct |
| 39 |
Correct |
77 ms |
6896 KB |
Output is correct |
| 40 |
Correct |
75 ms |
6868 KB |
Output is correct |
| 41 |
Correct |
72 ms |
6876 KB |
Output is correct |
| 42 |
Correct |
73 ms |
6636 KB |
Output is correct |
| 43 |
Correct |
75 ms |
6844 KB |
Output is correct |
| 44 |
Correct |
74 ms |
6796 KB |
Output is correct |
| 45 |
Correct |
75 ms |
6908 KB |
Output is correct |
| 46 |
Correct |
74 ms |
6888 KB |
Output is correct |
| 47 |
Correct |
94 ms |
6916 KB |
Output is correct |
| 48 |
Correct |
80 ms |
6936 KB |
Output is correct |
