답안 #747727

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
747727	2023-05-24T15:07:51 Z	Sami_Massah	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++17	100 / 100	36 ms	10072 KB

Main

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


const long long maxn = 2e5 + 12, inf = 1e17 ;
long long n, a[maxn], sum[maxn][2], nat[maxn][2];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cin >> n;
    for(int i = 0; i < n; i++)
        cin >> a[i + 1];
    for(int i = 1; i <= n; i++){
        sum[i][0] = sum[i - 1][0] + (a[i - 1] + 1 - a[i]) * (a[i - 1] + 1 - a[i] >= 0);
        nat[i][0] = max(nat[i - 1][0] + 1, a[i]);
   }
    for(int i = n; i >= 1; i--){
        sum[i][1] = sum[i + 1][1] + (a[i + 1] + 1 - a[i]) * (a[i + 1] + 1 - a[i] >= 0);
        nat[i][1] = max(nat[i + 1][1] + 1, a[i]);
        }

    long long ans = inf;
    for(int i = 1; i <= n; i++){
        long long mx = max(sum[i - 1][0], sum[i + 1][1]);
        long long s = sum[i + 1][1] + a[i + 1], f = sum[i - 1][0] + a[i - 1];
        ans = min(ans, mx + max(max(f, s) + 1 - mx - a[i], 0ll));
     //   cout << i << ' ' << f << ' ' << s << ' ' << sum[i - 1][0] << ' ' << sum[i + 1][1] << endl;
       // cout << ans << endl;

    }
    cout << ans << endl;
}

Subtask #1

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	340 KB	Output is correct
12	Correct	1 ms	368 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	336 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	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct

Subtask #2

60.0 / 60.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	340 KB	Output is correct
12	Correct	1 ms	368 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	336 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	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	24 ms	10060 KB	Output is correct
27	Correct	25 ms	10064 KB	Output is correct
28	Correct	25 ms	10060 KB	Output is correct
29	Correct	25 ms	10024 KB	Output is correct
30	Correct	24 ms	9368 KB	Output is correct
31	Correct	27 ms	10036 KB	Output is correct
32	Correct	24 ms	10060 KB	Output is correct
33	Correct	25 ms	10060 KB	Output is correct
34	Correct	27 ms	10004 KB	Output is correct
35	Correct	19 ms	9244 KB	Output is correct
36	Correct	20 ms	9396 KB	Output is correct
37	Correct	20 ms	9292 KB	Output is correct
38	Correct	24 ms	10072 KB	Output is correct
39	Correct	24 ms	10012 KB	Output is correct
40	Correct	26 ms	9964 KB	Output is correct
41	Correct	26 ms	10068 KB	Output is correct
42	Correct	24 ms	9804 KB	Output is correct
43	Correct	33 ms	10056 KB	Output is correct
44	Correct	36 ms	9980 KB	Output is correct
45	Correct	27 ms	9964 KB	Output is correct
46	Correct	24 ms	10000 KB	Output is correct
47	Correct	25 ms	10072 KB	Output is correct
48	Correct	25 ms	10028 KB	Output is correct