oj.uz

Submission #1085271

# Submission time Handle Problem Language Result Execution time Memory
1085271 2024-09-07T19:25:41 Z quan606303 Feast (NOI19_feast) C++14
100 / 100
 119 ms 14512 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][0]={0,0};
    dp[0][1]={-pre[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 61 ms 14168 KB Output is correct
2 Correct 62 ms 14160 KB Output is correct
3 Correct 71 ms 14512 KB Output is correct
4 Correct 63 ms 14416 KB Output is correct
5 Correct 63 ms 14296 KB Output is correct
6 Correct 60 ms 13916 KB Output is correct
7 Correct 61 ms 13912 KB Output is correct
8 Correct 63 ms 14160 KB Output is correct
9 Correct 66 ms 13904 KB Output is correct
10 Correct 66 ms 14164 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 14172 KB Output is correct
2 Correct 69 ms 14412 KB Output is correct
3 Correct 55 ms 14172 KB Output is correct
4 Correct 56 ms 14168 KB Output is correct
5 Correct 60 ms 13912 KB Output is correct
6 Correct 56 ms 14172 KB Output is correct
7 Correct 59 ms 14424 KB Output is correct
8 Correct 75 ms 14360 KB Output is correct
9 Correct 61 ms 13912 KB Output is correct
10 Correct 56 ms 14424 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 14344 KB Output is correct
2 Correct 81 ms 14164 KB Output is correct
3 Correct 81 ms 14296 KB Output is correct
4 Correct 81 ms 14160 KB Output is correct
5 Correct 92 ms 14164 KB Output is correct
6 Correct 90 ms 14416 KB Output is correct
7 Correct 86 ms 14464 KB Output is correct
8 Correct 82 ms 14324 KB Output is correct
9 Correct 84 ms 14416 KB Output is correct
10 Correct 86 ms 14256 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 348 KB Output is correct
2 Correct 0 ms 348 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 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 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 488 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 348 KB Output is correct
2 Correct 0 ms 348 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 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 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 488 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 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 344 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 61 ms 14168 KB Output is correct
2 Correct 62 ms 14160 KB Output is correct
3 Correct 71 ms 14512 KB Output is correct
4 Correct 63 ms 14416 KB Output is correct
5 Correct 63 ms 14296 KB Output is correct
6 Correct 60 ms 13916 KB Output is correct
7 Correct 61 ms 13912 KB Output is correct
8 Correct 63 ms 14160 KB Output is correct
9 Correct 66 ms 13904 KB Output is correct
10 Correct 66 ms 14164 KB Output is correct
11 Correct 56 ms 14172 KB Output is correct
12 Correct 69 ms 14412 KB Output is correct
13 Correct 55 ms 14172 KB Output is correct
14 Correct 56 ms 14168 KB Output is correct
15 Correct 60 ms 13912 KB Output is correct
16 Correct 56 ms 14172 KB Output is correct
17 Correct 59 ms 14424 KB Output is correct
18 Correct 75 ms 14360 KB Output is correct
19 Correct 61 ms 13912 KB Output is correct
20 Correct 56 ms 14424 KB Output is correct
21 Correct 84 ms 14344 KB Output is correct
22 Correct 81 ms 14164 KB Output is correct
23 Correct 81 ms 14296 KB Output is correct
24 Correct 81 ms 14160 KB Output is correct
25 Correct 92 ms 14164 KB Output is correct
26 Correct 90 ms 14416 KB Output is correct
27 Correct 86 ms 14464 KB Output is correct
28 Correct 82 ms 14324 KB Output is correct
29 Correct 84 ms 14416 KB Output is correct
30 Correct 86 ms 14256 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 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 348 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 1 ms 344 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 488 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 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 344 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 117 ms 14164 KB Output is correct
62 Correct 109 ms 14420 KB Output is correct
63 Correct 98 ms 14012 KB Output is correct
64 Correct 119 ms 14416 KB Output is correct
65 Correct 119 ms 14400 KB Output is correct
66 Correct 116 ms 14172 KB Output is correct
67 Correct 114 ms 14172 KB Output is correct
68 Correct 85 ms 14424 KB Output is correct
69 Correct 84 ms 13908 KB Output is correct
70 Correct 85 ms 14108 KB Output is correct