#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define pb push_back
#define pa pair<int, int>
#define pall pair<ll, int>
#define fi first
#define se second
#define TASK "test"
#define Size(x) (int) x.size()
#define all(x) x.begin(), x.end()
using namespace std;
template<typename T1, typename T2> bool mini (T1 &a, T2 b) {if(a > b) a = b; else return 0; return 1;}
template<typename T1, typename T2> bool maxi (T1 &a, T2 b) {if(a < b) a = b; else return 0; return 1;}
const int MOD = 1e9 + 7;
const int LOG = 20;
const int maxn = 2e5 + 7;
const ll oo = 1e18 + 69;
int n, a[maxn];
ll pre[maxn], suf[maxn];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
//freopen(TASK".inp", "r", stdin);
//freopen(TASK".out", "w", stdout);
cin>>n;
for(int i = 1; i <= n; i++) {
cin>>a[i];
if(i > 1) pre[i] = pre[i - 1] + max(0, a[i - 1] + 1 - a[i]);
}
ll ans = oo;
for(int i = n; i >= 1; i--) {
if(i < n) suf[i] = suf[i + 1] + max(0, a[i + 1] + 1 - a[i]);
mini(ans, max(pre[i], suf[i]));
}
cout<<ans;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
484 KB |
Output is correct |
| 6 |
Correct |
1 ms |
480 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
468 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 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 |
472 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
484 KB |
Output is correct |
| 6 |
Correct |
1 ms |
480 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
468 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 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 |
472 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
17 ms |
6028 KB |
Output is correct |
| 27 |
Correct |
17 ms |
6236 KB |
Output is correct |
| 28 |
Correct |
17 ms |
6228 KB |
Output is correct |
| 29 |
Correct |
17 ms |
6236 KB |
Output is correct |
| 30 |
Correct |
14 ms |
5480 KB |
Output is correct |
| 31 |
Correct |
17 ms |
6236 KB |
Output is correct |
| 32 |
Correct |
16 ms |
6228 KB |
Output is correct |
| 33 |
Correct |
17 ms |
6228 KB |
Output is correct |
| 34 |
Correct |
17 ms |
6236 KB |
Output is correct |
| 35 |
Correct |
13 ms |
5396 KB |
Output is correct |
| 36 |
Correct |
14 ms |
5464 KB |
Output is correct |
| 37 |
Correct |
13 ms |
5468 KB |
Output is correct |
| 38 |
Correct |
17 ms |
6256 KB |
Output is correct |
| 39 |
Correct |
17 ms |
6448 KB |
Output is correct |
| 40 |
Correct |
17 ms |
6228 KB |
Output is correct |
| 41 |
Correct |
17 ms |
6128 KB |
Output is correct |
| 42 |
Correct |
16 ms |
5980 KB |
Output is correct |
| 43 |
Correct |
16 ms |
6228 KB |
Output is correct |
| 44 |
Correct |
16 ms |
6132 KB |
Output is correct |
| 45 |
Correct |
17 ms |
6236 KB |
Output is correct |
| 46 |
Correct |
17 ms |
6324 KB |
Output is correct |
| 47 |
Correct |
17 ms |
6264 KB |
Output is correct |
| 48 |
Correct |
17 ms |
6232 KB |
Output is correct |
