Submission #421257

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
421257	2021-06-08T23:34:01 Z	rqi	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	105 ms	6956 KB

Main

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

void ckmin(ll& a, ll b){
	a = min(a, b);
}

const ll INF = 1e18;

const int mx = 200005;
int N;
ll A[mx];
ll ans1[mx];
ll ans2[mx];

int main(){
	cin >> N;
	for(int i = 1; i <= N; i++){
		cin >> A[i];
	}


	 for(int i = 2; i <= N; i++){
	 	ans1[i] = ans1[i-1]+max(ll(0), 1-(A[i]-A[i-1]));
	 }

	 for(int i = N; i >= 2; i--){
	 	ans2[i] = ans2[i+1]+max(ll(0), 1+(A[i]-A[i-1]));
	 }


	 ll ans = INF;
	 for(int i = 1; i <= N; i++){
	 	//cout << i << " " << ans1[i] << " " << ans2[i] << "\n";
	 	ckmin(ans, max(ans1[i], ans2[i+1]));
	 }

	 cout << ans << "\n";
}

Subtask #1

40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	300 KB	Output is correct
4	Correct	1 ms	300 KB	Output is correct
5	Correct	2 ms	312 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	2 ms	332 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	2 ms	332 KB	Output is correct
11	Correct	2 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	304 KB	Output is correct
16	Correct	1 ms	360 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	2 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	2 ms	332 KB	Output is correct
24	Correct	2 ms	332 KB	Output is correct

Subtask #2

60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	300 KB	Output is correct
4	Correct	1 ms	300 KB	Output is correct
5	Correct	2 ms	312 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	2 ms	332 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	2 ms	332 KB	Output is correct
11	Correct	2 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	304 KB	Output is correct
16	Correct	1 ms	360 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	2 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	2 ms	332 KB	Output is correct
24	Correct	2 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	87 ms	6860 KB	Output is correct
27	Correct	92 ms	6820 KB	Output is correct
28	Correct	89 ms	6932 KB	Output is correct
29	Correct	99 ms	6912 KB	Output is correct
30	Correct	66 ms	6144 KB	Output is correct
31	Correct	90 ms	6852 KB	Output is correct
32	Correct	91 ms	6836 KB	Output is correct
33	Correct	89 ms	6852 KB	Output is correct
34	Correct	89 ms	6924 KB	Output is correct
35	Correct	63 ms	6072 KB	Output is correct
36	Correct	75 ms	6188 KB	Output is correct
37	Correct	68 ms	6312 KB	Output is correct
38	Correct	86 ms	6852 KB	Output is correct
39	Correct	101 ms	6848 KB	Output is correct
40	Correct	88 ms	6808 KB	Output is correct
41	Correct	87 ms	6832 KB	Output is correct
42	Correct	86 ms	6724 KB	Output is correct
43	Correct	88 ms	6876 KB	Output is correct
44	Correct	105 ms	6832 KB	Output is correct
45	Correct	88 ms	6852 KB	Output is correct
46	Correct	89 ms	6948 KB	Output is correct
47	Correct	89 ms	6956 KB	Output is correct
48	Correct	87 ms	6820 KB	Output is correct