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답안 #330351

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
330351 2020-11-24T20:53:23 Z jungsnow Feast (NOI19_feast) C++14
100 / 100
 284 ms 16364 KB 
#include<bits/stdc++.h>
#define x first
#define y second

using namespace std;
using ll = long long;

const int maxn = 300100;

typedef pair<ll, int> ii;

int N, M, K;
ll A[maxn], L[maxn], R[maxn];
set<ii> s;

int main() {
//    freopen("feast.inp", "r", stdin);
//    freopen("feast.out", "w", stdout);
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> N >> K;
    while (N--) {
        ll V; cin >> V;
        if (M == 0) {
            if (V > 0) A[++M] = V;
            continue;
        }
        if ((A[M] > 0) == (V > 0)) A[M] += V;
        else A[++M] = V;
    }
    if (A[M] < 0) {
        A[M] = 0;
        --M;
    }
    int Cn = 0;
    for (int i = 1; i <= M; ++i) {
        Cn += (A[i] > 0);
        L[i] = i - 1; R[i] = i + 1;
        s.insert(ii(abs(A[i]), i));
    }
    R[M] = 0;
    while (Cn > K) {
        ii Cur = *s.begin(); s.erase(Cur);
        int i = Cur.y;
        ll Val = A[i], LL = L[i], RR = R[i];
        if (A[i] > 0) Cn--;
        if (LL) {
            if (A[LL] > 0) Cn--;
            s.erase(ii(abs(A[LL]), LL));
            Val += A[LL];
            if (L[LL]) R[L[LL]] = i;
        }
        if (RR) {
            if (A[RR] > 0) Cn--;
            s.erase(ii(abs(A[RR]), RR));
            Val += A[RR];
            if (R[RR]) L[R[RR]] = i;
        }
        A[i] = Val;
        A[LL] = A[RR] = 0;
        L[i] = L[LL]; R[i] = R[RR];
        if (L[i] == 0 && A[i] < 0) {
            L[R[i]] = 0;
            A[i] = 0;
        } else if (R[i] == 0 && A[i] < 0) {
            R[L[i]] = 0;
            A[i] = 0;
        } else s.insert(ii(abs(A[i]), i));
        Cn += (A[i] > 0);
    }
    ll Ans = 0;
    for (auto i : s) {
        Ans += max(A[i.y], 0ll);
    }
    cout << Ans << '\n';
    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 364 KB Output is correct
2 Correct 33 ms 364 KB Output is correct
3 Correct 33 ms 364 KB Output is correct
4 Correct 34 ms 492 KB Output is correct
5 Correct 33 ms 364 KB Output is correct
6 Correct 32 ms 364 KB Output is correct
7 Correct 32 ms 364 KB Output is correct
8 Correct 33 ms 364 KB Output is correct
9 Correct 32 ms 364 KB Output is correct
10 Correct 32 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 384 KB Output is correct
2 Correct 23 ms 1516 KB Output is correct
3 Correct 22 ms 1516 KB Output is correct
4 Correct 24 ms 1516 KB Output is correct
5 Correct 34 ms 3228 KB Output is correct
6 Correct 22 ms 1516 KB Output is correct
7 Correct 23 ms 1516 KB Output is correct
8 Correct 34 ms 3180 KB Output is correct
9 Correct 33 ms 3180 KB Output is correct
10 Correct 22 ms 1516 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 284 ms 13036 KB Output is correct
2 Correct 255 ms 16108 KB Output is correct
3 Correct 268 ms 16208 KB Output is correct
4 Correct 254 ms 15852 KB Output is correct
5 Correct 250 ms 15980 KB Output is correct
6 Correct 263 ms 16108 KB Output is correct
7 Correct 257 ms 16236 KB Output is correct
8 Correct 259 ms 16108 KB Output is correct
9 Correct 272 ms 16236 KB Output is correct
10 Correct 262 ms 16364 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct

Subtask #7
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 364 KB Output is correct
2 Correct 33 ms 364 KB Output is correct
3 Correct 33 ms 364 KB Output is correct
4 Correct 34 ms 492 KB Output is correct
5 Correct 33 ms 364 KB Output is correct
6 Correct 32 ms 364 KB Output is correct
7 Correct 32 ms 364 KB Output is correct
8 Correct 33 ms 364 KB Output is correct
9 Correct 32 ms 364 KB Output is correct
10 Correct 32 ms 364 KB Output is correct
11 Correct 22 ms 384 KB Output is correct
12 Correct 23 ms 1516 KB Output is correct
13 Correct 22 ms 1516 KB Output is correct
14 Correct 24 ms 1516 KB Output is correct
15 Correct 34 ms 3228 KB Output is correct
16 Correct 22 ms 1516 KB Output is correct
17 Correct 23 ms 1516 KB Output is correct
18 Correct 34 ms 3180 KB Output is correct
19 Correct 33 ms 3180 KB Output is correct
20 Correct 22 ms 1516 KB Output is correct
21 Correct 284 ms 13036 KB Output is correct
22 Correct 255 ms 16108 KB Output is correct
23 Correct 268 ms 16208 KB Output is correct
24 Correct 254 ms 15852 KB Output is correct
25 Correct 250 ms 15980 KB Output is correct
26 Correct 263 ms 16108 KB Output is correct
27 Correct 257 ms 16236 KB Output is correct
28 Correct 259 ms 16108 KB Output is correct
29 Correct 272 ms 16236 KB Output is correct
30 Correct 262 ms 16364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 492 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 492 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 172 ms 15852 KB Output is correct
62 Correct 135 ms 16236 KB Output is correct
63 Correct 265 ms 15852 KB Output is correct
64 Correct 175 ms 16108 KB Output is correct
65 Correct 207 ms 16108 KB Output is correct
66 Correct 223 ms 16196 KB Output is correct
67 Correct 213 ms 15964 KB Output is correct
68 Correct 252 ms 16180 KB Output is correct
69 Correct 250 ms 16108 KB Output is correct
70 Correct 252 ms 15852 KB Output is correct