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Submission #957848

# Submission time Handle Problem Language Result Execution time Memory
957848 2024-04-04T12:07:52 Z imarn Feast (NOI19_feast) C++14
100 / 100
 96 ms 10580 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define vvi vector<vi>
#define vp vector<pii>
using namespace std;
const int N=3e5+5;
pll dp[N];
ll qs[N]{0};
int n,m,k;
pll solve(ll x){
    pll mex={0,0};
    for(int i=1;i<=n;i++){
        dp[i]=max(dp[i-1],{mex.f+qs[i]-x,mex.s-1});
        mex=max(mex,{dp[i].f-qs[i],dp[i].s});
    }return dp[n];
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n>>k;dp[0]={0,0};
    for(int i=1;i<=n;i++)cin>>qs[i],qs[i]+=qs[i-1];
    ll l=0,r=1e12;
    while(l<r){
        ll md=(l+r)>>1;
        if(-solve(md).s<=k)r=md;
        else l=md+1;
    }cout<<solve(l).f+l*k;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 10068 KB Output is correct
2 Correct 46 ms 10228 KB Output is correct
3 Correct 47 ms 10320 KB Output is correct
4 Correct 47 ms 10064 KB Output is correct
5 Correct 46 ms 10068 KB Output is correct
6 Correct 45 ms 10076 KB Output is correct
7 Correct 45 ms 10064 KB Output is correct
8 Correct 46 ms 10068 KB Output is correct
9 Correct 45 ms 10076 KB Output is correct
10 Correct 51 ms 10320 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8488 KB Output is correct
2 Correct 42 ms 8444 KB Output is correct
3 Correct 41 ms 8284 KB Output is correct
4 Correct 40 ms 8540 KB Output is correct
5 Correct 46 ms 10072 KB Output is correct
6 Correct 40 ms 8468 KB Output is correct
7 Correct 43 ms 8620 KB Output is correct
8 Correct 56 ms 10324 KB Output is correct
9 Correct 45 ms 10068 KB Output is correct
10 Correct 40 ms 8584 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 10324 KB Output is correct
2 Correct 65 ms 10364 KB Output is correct
3 Correct 67 ms 10476 KB Output is correct
4 Correct 66 ms 10224 KB Output is correct
5 Correct 72 ms 10320 KB Output is correct
6 Correct 68 ms 10332 KB Output is correct
7 Correct 66 ms 10492 KB Output is correct
8 Correct 65 ms 10352 KB Output is correct
9 Correct 65 ms 10332 KB Output is correct
10 Correct 67 ms 10320 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2512 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2512 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 10068 KB Output is correct
2 Correct 46 ms 10228 KB Output is correct
3 Correct 47 ms 10320 KB Output is correct
4 Correct 47 ms 10064 KB Output is correct
5 Correct 46 ms 10068 KB Output is correct
6 Correct 45 ms 10076 KB Output is correct
7 Correct 45 ms 10064 KB Output is correct
8 Correct 46 ms 10068 KB Output is correct
9 Correct 45 ms 10076 KB Output is correct
10 Correct 51 ms 10320 KB Output is correct
11 Correct 51 ms 8488 KB Output is correct
12 Correct 42 ms 8444 KB Output is correct
13 Correct 41 ms 8284 KB Output is correct
14 Correct 40 ms 8540 KB Output is correct
15 Correct 46 ms 10072 KB Output is correct
16 Correct 40 ms 8468 KB Output is correct
17 Correct 43 ms 8620 KB Output is correct
18 Correct 56 ms 10324 KB Output is correct
19 Correct 45 ms 10068 KB Output is correct
20 Correct 40 ms 8584 KB Output is correct
21 Correct 66 ms 10324 KB Output is correct
22 Correct 65 ms 10364 KB Output is correct
23 Correct 67 ms 10476 KB Output is correct
24 Correct 66 ms 10224 KB Output is correct
25 Correct 72 ms 10320 KB Output is correct
26 Correct 68 ms 10332 KB Output is correct
27 Correct 66 ms 10492 KB Output is correct
28 Correct 65 ms 10352 KB Output is correct
29 Correct 65 ms 10332 KB Output is correct
30 Correct 67 ms 10320 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2392 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2512 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2392 KB Output is correct
52 Correct 1 ms 2392 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 2 ms 2396 KB Output is correct
55 Correct 1 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 1 ms 2396 KB Output is correct
58 Correct 1 ms 2396 KB Output is correct
59 Correct 1 ms 2396 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct
61 Correct 94 ms 10356 KB Output is correct
62 Correct 94 ms 10480 KB Output is correct
63 Correct 83 ms 10580 KB Output is correct
64 Correct 96 ms 10488 KB Output is correct
65 Correct 96 ms 10332 KB Output is correct
66 Correct 96 ms 10328 KB Output is correct
67 Correct 94 ms 10324 KB Output is correct
68 Correct 66 ms 10328 KB Output is correct
69 Correct 78 ms 10224 KB Output is correct
70 Correct 61 ms 10076 KB Output is correct