Submission #387495

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
387495	2021-04-08T14:43:49 Z	wildturtle	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	93 ms	8684 KB

Main

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll a,b,c,d,i,e,f,g,n,m,k,l,A[500005],B[500005],pre[500005],suf[500005],ans,minn;
int main() {
    cin>>n;
    for(ll i=1;i<=n;i++) {
        cin>>A[i];
    }
    for(ll i=1;i<=n;i++) {
        if(i!=n) B[i]=A[i+1]-A[i];
    }
    for(ll i=1;i<n;i++) {
        pre[i]=pre[i-1];
        if(B[i]<=0) pre[i]+=abs(B[i])+1;
    }
    for(ll i=n-1;i>=1;i--) {
        suf[i]=suf[i+1];
        if(B[i]>=0) suf[i]+=B[i]+1;
        //cout<<B[i]<<"_"<<suf[i]<<" ";
    }
    //cout<<endl;
    minn=1e18;
    for(ll i=1;i<=n;i++) {
        ans=max(pre[i-1],suf[i]);
        //cout<<pre[i-2]<<"_"<<suf[i+1]<<"_"<<ans<<" ";
        minn=min(minn,ans);
    }
    cout<<minn;
}

Subtask #1

40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	3 ms	492 KB	Output is correct
8	Correct	2 ms	492 KB	Output is correct
9	Correct	2 ms	364 KB	Output is correct
10	Correct	3 ms	492 KB	Output is correct
11	Correct	2 ms	492 KB	Output is correct
12	Correct	2 ms	492 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	492 KB	Output is correct
17	Correct	2 ms	492 KB	Output is correct
18	Correct	2 ms	492 KB	Output is correct
19	Correct	2 ms	492 KB	Output is correct
20	Correct	2 ms	492 KB	Output is correct
21	Correct	2 ms	492 KB	Output is correct
22	Correct	2 ms	492 KB	Output is correct
23	Correct	2 ms	492 KB	Output is correct
24	Correct	3 ms	492 KB	Output is correct

Subtask #2

60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	3 ms	492 KB	Output is correct
8	Correct	2 ms	492 KB	Output is correct
9	Correct	2 ms	364 KB	Output is correct
10	Correct	3 ms	492 KB	Output is correct
11	Correct	2 ms	492 KB	Output is correct
12	Correct	2 ms	492 KB	Output is correct
13	Correct	2 ms	364 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	364 KB	Output is correct
16	Correct	2 ms	492 KB	Output is correct
17	Correct	2 ms	492 KB	Output is correct
18	Correct	2 ms	492 KB	Output is correct
19	Correct	2 ms	492 KB	Output is correct
20	Correct	2 ms	492 KB	Output is correct
21	Correct	2 ms	492 KB	Output is correct
22	Correct	2 ms	492 KB	Output is correct
23	Correct	2 ms	492 KB	Output is correct
24	Correct	3 ms	492 KB	Output is correct
25	Correct	2 ms	492 KB	Output is correct
26	Correct	87 ms	8684 KB	Output is correct
27	Correct	90 ms	8556 KB	Output is correct
28	Correct	90 ms	8556 KB	Output is correct
29	Correct	90 ms	8556 KB	Output is correct
30	Correct	68 ms	8044 KB	Output is correct
31	Correct	92 ms	8556 KB	Output is correct
32	Correct	89 ms	8584 KB	Output is correct
33	Correct	88 ms	8576 KB	Output is correct
34	Correct	90 ms	8684 KB	Output is correct
35	Correct	64 ms	7788 KB	Output is correct
36	Correct	68 ms	7916 KB	Output is correct
37	Correct	67 ms	7916 KB	Output is correct
38	Correct	87 ms	8556 KB	Output is correct
39	Correct	90 ms	8556 KB	Output is correct
40	Correct	88 ms	8556 KB	Output is correct
41	Correct	88 ms	8556 KB	Output is correct
42	Correct	84 ms	8576 KB	Output is correct
43	Correct	90 ms	8556 KB	Output is correct
44	Correct	86 ms	8524 KB	Output is correct
45	Correct	91 ms	8684 KB	Output is correct
46	Correct	90 ms	8556 KB	Output is correct
47	Correct	90 ms	8556 KB	Output is correct
48	Correct	93 ms	8556 KB	Output is correct