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답안 #1103114

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1103114 2024-10-20T06:49:08 Z haianhnguyen08102007 Feast (NOI19_feast) C++17
100 / 100
 104 ms 12872 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

const int N = 3e5+10;

int n, k, v[N], sp[N];
pair <int, int> dp[N];

pair <int, int> calculate(int c)
{
    pair <int, int> Max = {0, 0};
    dp[0] = {0, 0};

    for (int i=1; i<=n; i++)
    {
        dp[i]=dp[i-1];
        if (Max.first + sp[i] - c > dp[i].first || (Max.first + sp[i] - c == dp[i].first && Max.second + 1 < dp[i].second))
        {
            dp[i].first = Max.first + sp[i]-c;
            dp[i].second = Max.second + 1;
        }
        if (dp[i].first - sp[i] > Max.first || (dp[i].first - sp[i] == Max.first && dp[i].second < Max.second))
        {
            Max.first = dp[i].first - sp[i];
            Max.second = dp[i].second;
        }
    }

    return dp[n];
}

int solve()
{
    int st=1; int dr=1e14;
    while (st<=dr)
    {
        int mij = (st+dr)/2;
        pair <int, int> val = calculate(mij);
        if (val.second == k) return val.first + k * mij;
        if (val.second < k) dr=mij-1;
        else st=mij+1;
    }

    pair <int, int> val = calculate(st);
    return val.first + val.second * st;
}

int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

//    freopen("cake.inp", "r", stdin);
//    freopen("cake.out", "w", stdout);

    cin>>n>>k;
    for (int i=1; i<=n; i++)
    {
        cin>>v[i];
        sp[i] = sp[i-1] + v[i];
    }

    cout<<solve();

    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 10320 KB Output is correct
2 Correct 43 ms 11592 KB Output is correct
3 Correct 47 ms 11216 KB Output is correct
4 Correct 42 ms 11476 KB Output is correct
5 Correct 42 ms 11080 KB Output is correct
6 Correct 43 ms 12412 KB Output is correct
7 Correct 40 ms 9552 KB Output is correct
8 Correct 42 ms 10620 KB Output is correct
9 Correct 42 ms 9552 KB Output is correct
10 Correct 44 ms 10700 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 10040 KB Output is correct
2 Correct 25 ms 10064 KB Output is correct
3 Correct 24 ms 9552 KB Output is correct
4 Correct 37 ms 10064 KB Output is correct
5 Correct 25 ms 10576 KB Output is correct
6 Correct 24 ms 9716 KB Output is correct
7 Correct 34 ms 9808 KB Output is correct
8 Correct 30 ms 12640 KB Output is correct
9 Correct 23 ms 9552 KB Output is correct
10 Correct 36 ms 9808 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 11472 KB Output is correct
2 Correct 36 ms 11592 KB Output is correct
3 Correct 37 ms 10568 KB Output is correct
4 Correct 39 ms 12616 KB Output is correct
5 Correct 38 ms 11588 KB Output is correct
6 Correct 38 ms 12604 KB Output is correct
7 Correct 44 ms 11592 KB Output is correct
8 Correct 39 ms 11848 KB Output is correct
9 Correct 38 ms 12624 KB Output is correct
10 Correct 40 ms 11592 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 2 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 2 ms 2552 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 2 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 2 ms 2552 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2520 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2552 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 2 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 2 ms 2552 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2520 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2552 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 2 ms 2384 KB Output is correct
23 Correct 1 ms 2528 KB Output is correct
24 Correct 2 ms 2384 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 1 ms 2524 KB Output is correct
28 Correct 2 ms 2556 KB Output is correct
29 Correct 1 ms 2384 KB Output is correct
30 Correct 1 ms 2428 KB Output is correct

Subtask #7
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 10320 KB Output is correct
2 Correct 43 ms 11592 KB Output is correct
3 Correct 47 ms 11216 KB Output is correct
4 Correct 42 ms 11476 KB Output is correct
5 Correct 42 ms 11080 KB Output is correct
6 Correct 43 ms 12412 KB Output is correct
7 Correct 40 ms 9552 KB Output is correct
8 Correct 42 ms 10620 KB Output is correct
9 Correct 42 ms 9552 KB Output is correct
10 Correct 44 ms 10700 KB Output is correct
11 Correct 27 ms 10040 KB Output is correct
12 Correct 25 ms 10064 KB Output is correct
13 Correct 24 ms 9552 KB Output is correct
14 Correct 37 ms 10064 KB Output is correct
15 Correct 25 ms 10576 KB Output is correct
16 Correct 24 ms 9716 KB Output is correct
17 Correct 34 ms 9808 KB Output is correct
18 Correct 30 ms 12640 KB Output is correct
19 Correct 23 ms 9552 KB Output is correct
20 Correct 36 ms 9808 KB Output is correct
21 Correct 37 ms 11472 KB Output is correct
22 Correct 36 ms 11592 KB Output is correct
23 Correct 37 ms 10568 KB Output is correct
24 Correct 39 ms 12616 KB Output is correct
25 Correct 38 ms 11588 KB Output is correct
26 Correct 38 ms 12604 KB Output is correct
27 Correct 44 ms 11592 KB Output is correct
28 Correct 39 ms 11848 KB Output is correct
29 Correct 38 ms 12624 KB Output is correct
30 Correct 40 ms 11592 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 1 ms 2384 KB Output is correct
33 Correct 1 ms 2384 KB Output is correct
34 Correct 1 ms 2384 KB Output is correct
35 Correct 1 ms 2384 KB Output is correct
36 Correct 1 ms 2384 KB Output is correct
37 Correct 2 ms 2384 KB Output is correct
38 Correct 1 ms 2384 KB Output is correct
39 Correct 2 ms 2552 KB Output is correct
40 Correct 1 ms 2384 KB Output is correct
41 Correct 1 ms 2384 KB Output is correct
42 Correct 1 ms 2384 KB Output is correct
43 Correct 1 ms 2520 KB Output is correct
44 Correct 1 ms 2384 KB Output is correct
45 Correct 1 ms 2384 KB Output is correct
46 Correct 1 ms 2384 KB Output is correct
47 Correct 1 ms 2384 KB Output is correct
48 Correct 1 ms 2384 KB Output is correct
49 Correct 1 ms 2384 KB Output is correct
50 Correct 1 ms 2552 KB Output is correct
51 Correct 1 ms 2384 KB Output is correct
52 Correct 2 ms 2384 KB Output is correct
53 Correct 1 ms 2528 KB Output is correct
54 Correct 2 ms 2384 KB Output is correct
55 Correct 1 ms 2384 KB Output is correct
56 Correct 1 ms 2384 KB Output is correct
57 Correct 1 ms 2524 KB Output is correct
58 Correct 2 ms 2556 KB Output is correct
59 Correct 1 ms 2384 KB Output is correct
60 Correct 1 ms 2428 KB Output is correct
61 Correct 72 ms 12484 KB Output is correct
62 Correct 104 ms 12872 KB Output is correct
63 Correct 59 ms 12616 KB Output is correct
64 Correct 79 ms 12640 KB Output is correct
65 Correct 65 ms 12628 KB Output is correct
66 Correct 73 ms 12616 KB Output is correct
67 Correct 67 ms 12628 KB Output is correct
68 Correct 43 ms 12624 KB Output is correct
69 Correct 41 ms 12628 KB Output is correct
70 Correct 35 ms 12600 KB Output is correct