#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
typedef pair<int, int> pi;
typedef vector <int> vi;
typedef vector <pi> vpi;
typedef pair <pi,pi> pipi;
typedef pair<pi, ll> pii;
typedef set <ll> si;
typedef long double ld;
#define f first
#define s second
#define mp make_pair
#define FOR(i,s,e) for(int i=s;i<=int(e);++i)
#define DEC(i,s,e) for(int i=s;i>=int(e);--i)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define aFOR(i,x) for (auto i: x)
#define mem(x,i) memset(x,i,sizeof x)
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define maxn 1000010
#define INF (ll)1e18
#define MOD 1000000007
typedef pair <vi, int> pvi;
typedef pair <int,pi> ipi;
typedef vector <pii> vpii;
#define DEBUG 0
#pragma GCC optimize("trapv")
int N,Q,w;
int ss[maxn],suff[maxn],A[maxn];
int32_t main(){
cin >> N;
FOR(i,1,N) cin >> A[i];
FOR(i,2,N) ss[i] = ss[i-1] + max(0LL, A[i-1] + 1 - A[i]);
DEC(i,N-1,1) suff[i] = suff[i+1] + max(0LL, A[i+1] + 1 - A[i]);
int ans = INF;
FOR(k,1,N) ans = min(ans, max(ss[k],suff[k]));
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 |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
2 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 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 |
320 KB |
Output is correct |
| 12 |
Correct |
2 ms |
324 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
2 ms |
340 KB |
Output is correct |
| 15 |
Correct |
2 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
2 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
352 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 |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
2 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 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 |
320 KB |
Output is correct |
| 12 |
Correct |
2 ms |
324 KB |
Output is correct |
| 13 |
Correct |
1 ms |
308 KB |
Output is correct |
| 14 |
Correct |
2 ms |
340 KB |
Output is correct |
| 15 |
Correct |
2 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
2 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
352 KB |
Output is correct |
| 25 |
Correct |
1 ms |
352 KB |
Output is correct |
| 26 |
Correct |
79 ms |
6836 KB |
Output is correct |
| 27 |
Correct |
77 ms |
6872 KB |
Output is correct |
| 28 |
Correct |
82 ms |
6872 KB |
Output is correct |
| 29 |
Correct |
83 ms |
6980 KB |
Output is correct |
| 30 |
Correct |
75 ms |
6216 KB |
Output is correct |
| 31 |
Correct |
82 ms |
6852 KB |
Output is correct |
| 32 |
Correct |
89 ms |
6872 KB |
Output is correct |
| 33 |
Correct |
78 ms |
6928 KB |
Output is correct |
| 34 |
Correct |
82 ms |
7032 KB |
Output is correct |
| 35 |
Correct |
55 ms |
6128 KB |
Output is correct |
| 36 |
Correct |
61 ms |
6188 KB |
Output is correct |
| 37 |
Correct |
60 ms |
6192 KB |
Output is correct |
| 38 |
Correct |
79 ms |
6816 KB |
Output is correct |
| 39 |
Correct |
88 ms |
7188 KB |
Output is correct |
| 40 |
Correct |
80 ms |
6892 KB |
Output is correct |
| 41 |
Correct |
78 ms |
6912 KB |
Output is correct |
| 42 |
Correct |
96 ms |
6732 KB |
Output is correct |
| 43 |
Correct |
82 ms |
6948 KB |
Output is correct |
| 44 |
Correct |
79 ms |
6848 KB |
Output is correct |
| 45 |
Correct |
76 ms |
6860 KB |
Output is correct |
| 46 |
Correct |
84 ms |
6964 KB |
Output is correct |
| 47 |
Correct |
91 ms |
6860 KB |
Output is correct |
| 48 |
Correct |
78 ms |
6908 KB |
Output is correct |
