#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define db double
#define ll __int128
#define int long long
#define pb push_back
#define fs first
#define sd second
#define Mod long(1e9 + 7)
#define all(x) x.begin(), x.end()
#define unvisited long(-1)
#define Eps double(1e-9)
#define _for(i, n) for(int i = 0; i < (n); i++)
#define dbg(x) cout << #x ": " << x << endl;
const int Max = 1e6 + 7, Inf = 1e16 + 7;
void print(bool x) { cout << (x ? "YES" : "NO") << endl; }
string tostring (__int128 x)
{
string ans = "";
while(x > 0)
{
ans += (x % 10 + '0');
x /= 10;
}
reverse(all(ans));
return ans;
}
void solve()
{
int n; cin >> n;
vector <int> v(n), s1(n), s2(n);
for(auto& u : v) cin >> u;
for(int i = 0; i < n-1; i++)
s1[i+1] = max(0LL, (v[i] + 1) - v[i+1]) + s1[i];
for(int i = n-1; i > 0; i--)
s2[i-1] = max(0LL, (v[i] + 1) - v[i-1]) + s2[i];
int ans = Inf;
for(int i = 0; i < n; i++)
ans = min(ans, max(s1[i], s2[i]));
cout << ans << endl;
}
int32_t main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int Q = 1; //cin >> Q;
while (Q--)
{
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 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 |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
528 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 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 |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
528 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
18 ms |
7004 KB |
Output is correct |
27 |
Correct |
18 ms |
6996 KB |
Output is correct |
28 |
Correct |
17 ms |
7068 KB |
Output is correct |
29 |
Correct |
17 ms |
7072 KB |
Output is correct |
30 |
Correct |
15 ms |
6300 KB |
Output is correct |
31 |
Correct |
18 ms |
7000 KB |
Output is correct |
32 |
Correct |
17 ms |
6996 KB |
Output is correct |
33 |
Correct |
17 ms |
7256 KB |
Output is correct |
34 |
Correct |
17 ms |
7004 KB |
Output is correct |
35 |
Correct |
14 ms |
6236 KB |
Output is correct |
36 |
Correct |
15 ms |
6236 KB |
Output is correct |
37 |
Correct |
15 ms |
6236 KB |
Output is correct |
38 |
Correct |
17 ms |
7000 KB |
Output is correct |
39 |
Correct |
17 ms |
6996 KB |
Output is correct |
40 |
Correct |
17 ms |
6992 KB |
Output is correct |
41 |
Correct |
17 ms |
6996 KB |
Output is correct |
42 |
Correct |
18 ms |
6748 KB |
Output is correct |
43 |
Correct |
20 ms |
7004 KB |
Output is correct |
44 |
Correct |
18 ms |
7004 KB |
Output is correct |
45 |
Correct |
18 ms |
6996 KB |
Output is correct |
46 |
Correct |
17 ms |
7004 KB |
Output is correct |
47 |
Correct |
18 ms |
7072 KB |
Output is correct |
48 |
Correct |
18 ms |
7256 KB |
Output is correct |