oj.uz

Submission #1085269

# Submission time Handle Problem Language Result Execution time Memory
1085269 2024-09-07T19:23:45 Z quan606303 Feast (NOI19_feast) C++14
100 / 100
 118 ms 14504 KB 
///0-0 : what is your motivation, quan606303?
///quan606303 : Hutao
/*idea : 
 
 
 
*/
#include <bits/stdc++.h>
#define int long long
#define ll long long
#define INTMAX INT_MAX
#define INTMIN INT_MIN
#define LONGMAX LLONG_MAX
#define LONGMIN LLONG_MIN
#define fi first
#define se second
#define memfull(a,b) memset(a,b,sizeof(a));
#define endl '\n'
#define file(a) freopen(a".inp","r",stdin); freopen(a".out","w",stdout);
using namespace std;
const int MOD=1e9+7;
const int maxn=3e5+7;;
int n,k,a[maxn],pre[maxn];
pair<int,int> dp[maxn][2];
pair<int,int> sub1(int pen)
{
  	dp[0][1]={0-pen,1};
    for (int i=1;i<=n;i++)
    {
        dp[i][0]=max(dp[i-1][0],make_pair(dp[i-1][1].fi+pre[i],dp[i-1][1].se));
        dp[i][1]=max(dp[i-1][1],make_pair(dp[i][0].fi-pre[i]-pen,dp[i][0].se+1));
    }
    return dp[n][0];
}
int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
   // file("MUABANCO");
    cin>>n>>k;
    for (int i=1;i<=n;i++)cin>>a[i];
    for (int i=1;i<=n;i++)pre[i]=pre[i-1]+a[i];
    int l=0,r=1e18,ans=0;
    while (l<=r)
    {
        int mid=(l+r)/2;
        pair<int,int> cnt=sub1(mid);
        if (cnt.se<=k)
        {
            r=mid-1;
            ans=cnt.fi+cnt.se*mid;
        }
        else l=mid+1;
    }
    cout<<ans;
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 13912 KB Output is correct
2 Correct 62 ms 14168 KB Output is correct
3 Correct 64 ms 14416 KB Output is correct
4 Correct 62 ms 14420 KB Output is correct
5 Correct 61 ms 14168 KB Output is correct
6 Correct 61 ms 13908 KB Output is correct
7 Correct 61 ms 13916 KB Output is correct
8 Correct 61 ms 14172 KB Output is correct
9 Correct 61 ms 13908 KB Output is correct
10 Correct 64 ms 14160 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 14168 KB Output is correct
2 Correct 55 ms 14428 KB Output is correct
3 Correct 55 ms 14172 KB Output is correct
4 Correct 54 ms 14168 KB Output is correct
5 Correct 65 ms 13904 KB Output is correct
6 Correct 54 ms 14168 KB Output is correct
7 Correct 55 ms 14424 KB Output is correct
8 Correct 61 ms 14420 KB Output is correct
9 Correct 63 ms 14072 KB Output is correct
10 Correct 55 ms 14428 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 14168 KB Output is correct
2 Correct 87 ms 14160 KB Output is correct
3 Correct 82 ms 14160 KB Output is correct
4 Correct 85 ms 14200 KB Output is correct
5 Correct 79 ms 14328 KB Output is correct
6 Correct 84 ms 14420 KB Output is correct
7 Correct 83 ms 14428 KB Output is correct
8 Correct 79 ms 14160 KB Output is correct
9 Correct 80 ms 14504 KB Output is correct
10 Correct 82 ms 14424 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 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 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 13912 KB Output is correct
2 Correct 62 ms 14168 KB Output is correct
3 Correct 64 ms 14416 KB Output is correct
4 Correct 62 ms 14420 KB Output is correct
5 Correct 61 ms 14168 KB Output is correct
6 Correct 61 ms 13908 KB Output is correct
7 Correct 61 ms 13916 KB Output is correct
8 Correct 61 ms 14172 KB Output is correct
9 Correct 61 ms 13908 KB Output is correct
10 Correct 64 ms 14160 KB Output is correct
11 Correct 53 ms 14168 KB Output is correct
12 Correct 55 ms 14428 KB Output is correct
13 Correct 55 ms 14172 KB Output is correct
14 Correct 54 ms 14168 KB Output is correct
15 Correct 65 ms 13904 KB Output is correct
16 Correct 54 ms 14168 KB Output is correct
17 Correct 55 ms 14424 KB Output is correct
18 Correct 61 ms 14420 KB Output is correct
19 Correct 63 ms 14072 KB Output is correct
20 Correct 55 ms 14428 KB Output is correct
21 Correct 84 ms 14168 KB Output is correct
22 Correct 87 ms 14160 KB Output is correct
23 Correct 82 ms 14160 KB Output is correct
24 Correct 85 ms 14200 KB Output is correct
25 Correct 79 ms 14328 KB Output is correct
26 Correct 84 ms 14420 KB Output is correct
27 Correct 83 ms 14428 KB Output is correct
28 Correct 79 ms 14160 KB Output is correct
29 Correct 80 ms 14504 KB Output is correct
30 Correct 82 ms 14424 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 110 ms 14172 KB Output is correct
62 Correct 110 ms 14428 KB Output is correct
63 Correct 105 ms 13908 KB Output is correct
64 Correct 109 ms 14428 KB Output is correct
65 Correct 112 ms 14164 KB Output is correct
66 Correct 115 ms 14164 KB Output is correct
67 Correct 118 ms 14160 KB Output is correct
68 Correct 82 ms 14420 KB Output is correct
69 Correct 83 ms 14132 KB Output is correct
70 Correct 88 ms 14084 KB Output is correct