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답안 #491211

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
491211 2021-11-30T18:23:44 Z blue Feast (NOI19_feast) C++17
100 / 100
 380 ms 15376 KB 
#include <iostream>
#include <vector>
using namespace std;

using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vi = vector<int>;
using vvi = vector<vi>;
using pll = pair<ll, ll>;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int N, K;
    cin >> N >> K;

    vll A(1+N);
    for(int i = 1; i <= N; i++) cin >> A[i];

    ll lo = 0, hi = 1'000'000'000'000'000'000LL;

    while(1)
    {
        ll cost = (lo+hi)/2;

        vector<pll> dp0(1+N);
        vector<pll> dp1(1+N);

        dp0[0] = {0LL, 0LL};
        dp1[0] = {-cost, -1LL};

        for(int i = 1; i <= N; i++)
        {
            dp0[i] = max(dp0[i-1], dp1[i-1]);
            dp1[i] = max(pll{dp1[i-1].first + A[i], dp1[i-1].second}, pll{dp0[i-1].first + A[i] - cost, dp0[i-1].second - 1});
        }

        pair<ll, int> X = max(dp0[N], dp1[N]);

        bool works = (-X.second <= K);

        if(lo == hi)
        {
            cout << X.first - cost*X.second << '\n';
            return 0;
        }
        else
        {
            if(works)
                hi = cost;
            else
                lo = cost+1;
        }
    }
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 298 ms 14568 KB Output is correct
2 Correct 306 ms 14860 KB Output is correct
3 Correct 328 ms 15088 KB Output is correct
4 Correct 310 ms 15088 KB Output is correct
5 Correct 316 ms 14980 KB Output is correct
6 Correct 301 ms 14560 KB Output is correct
7 Correct 294 ms 14712 KB Output is correct
8 Correct 380 ms 14880 KB Output is correct
9 Correct 300 ms 14696 KB Output is correct
10 Correct 307 ms 14872 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 312 ms 13224 KB Output is correct
2 Correct 296 ms 13404 KB Output is correct
3 Correct 312 ms 13012 KB Output is correct
4 Correct 295 ms 13116 KB Output is correct
5 Correct 352 ms 14640 KB Output is correct
6 Correct 285 ms 13328 KB Output is correct
7 Correct 340 ms 13368 KB Output is correct
8 Correct 306 ms 15000 KB Output is correct
9 Correct 315 ms 14604 KB Output is correct
10 Correct 296 ms 13320 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 310 ms 15196 KB Output is correct
2 Correct 294 ms 14880 KB Output is correct
3 Correct 304 ms 15132 KB Output is correct
4 Correct 296 ms 14912 KB Output is correct
5 Correct 310 ms 15028 KB Output is correct
6 Correct 307 ms 15080 KB Output is correct
7 Correct 295 ms 15096 KB Output is correct
8 Correct 317 ms 14988 KB Output is correct
9 Correct 307 ms 15232 KB Output is correct
10 Correct 311 ms 15232 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 312 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 312 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 2 ms 324 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct

Subtask #7
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 298 ms 14568 KB Output is correct
2 Correct 306 ms 14860 KB Output is correct
3 Correct 328 ms 15088 KB Output is correct
4 Correct 310 ms 15088 KB Output is correct
5 Correct 316 ms 14980 KB Output is correct
6 Correct 301 ms 14560 KB Output is correct
7 Correct 294 ms 14712 KB Output is correct
8 Correct 380 ms 14880 KB Output is correct
9 Correct 300 ms 14696 KB Output is correct
10 Correct 307 ms 14872 KB Output is correct
11 Correct 312 ms 13224 KB Output is correct
12 Correct 296 ms 13404 KB Output is correct
13 Correct 312 ms 13012 KB Output is correct
14 Correct 295 ms 13116 KB Output is correct
15 Correct 352 ms 14640 KB Output is correct
16 Correct 285 ms 13328 KB Output is correct
17 Correct 340 ms 13368 KB Output is correct
18 Correct 306 ms 15000 KB Output is correct
19 Correct 315 ms 14604 KB Output is correct
20 Correct 296 ms 13320 KB Output is correct
21 Correct 310 ms 15196 KB Output is correct
22 Correct 294 ms 14880 KB Output is correct
23 Correct 304 ms 15132 KB Output is correct
24 Correct 296 ms 14912 KB Output is correct
25 Correct 310 ms 15028 KB Output is correct
26 Correct 307 ms 15080 KB Output is correct
27 Correct 295 ms 15096 KB Output is correct
28 Correct 317 ms 14988 KB Output is correct
29 Correct 307 ms 15232 KB Output is correct
30 Correct 311 ms 15232 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 1 ms 312 KB Output is correct
41 Correct 1 ms 308 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 316 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 332 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 2 ms 324 KB Output is correct
57 Correct 1 ms 460 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 337 ms 14996 KB Output is correct
62 Correct 342 ms 15376 KB Output is correct
63 Correct 306 ms 14792 KB Output is correct
64 Correct 336 ms 15152 KB Output is correct
65 Correct 341 ms 15076 KB Output is correct
66 Correct 368 ms 15136 KB Output is correct
67 Correct 338 ms 14920 KB Output is correct
68 Correct 339 ms 15124 KB Output is correct
69 Correct 283 ms 14888 KB Output is correct
70 Correct 308 ms 14732 KB Output is correct