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답안 #224272

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
224272 2020-04-17T16:00:50 Z bortoz Solar Storm (NOI20_solarstorm) C++17
100 / 100
 409 ms 130652 KB 
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define fi first
#define se second

constexpr int MAXN = 1 << 20, LOGN = 21;

int J[LOGN][MAXN];
ll D[MAXN];
ll C[MAXN];
int lx[MAXN], rx[MAXN];

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);

  int N, S;
  ll K;
  cin >> N >> S >> K;

  for (int i = 2; i <= N; i++) {
    cin >> D[i];
    D[i] += D[i - 1];
  }

  for (int i = 1; i <= N; i++) {
    cin >> C[i];
    C[i] += C[i - 1];
  }

  rx[0] = 1;
  for (int i = 1, l = 1, r = 1, x = 0; i <= N; i++) {
    while (r <= N && D[r] <= D[i] + K) r++;
    while (D[l] + K < D[i]) l++;
    while (rx[x] < l) x++;
    lx[i] = l;
    rx[i] = r;
    J[0][i] = x;
  }

  for (int k = 1; k < LOGN; k++) {
    for (int i = 1; i <= N; i++) {
      J[k][i] = J[k - 1][J[k - 1][i]];
    }
  }

  ll res = 0;
  int pos = 0;
  for (int i = 1; i <= N; i++) {
    int x = i;
    for (int k = 0; k < LOGN; k++) {
      if ((S - 1) & 1 << k) x = J[k][x];
    }
    ll T = C[rx[i] - 1] - C[lx[x] - 1];
    if (T > res) {
      res = T;
      pos = i;
    }
  }

  vector<int> sol;
  for (int i = 0; i < S && pos > 0; i++) {
    sol.push_back(pos);
    pos = J[0][pos];
  }
  reverse(sol.begin(), sol.end());

  cout << sol.size() << '\n';
  for (int i = 0; i < sol.size(); i++) {
    cout << sol[i] << " \n"[i + 1 == sol.size()];
  }

  return 0;
}

Compilation message

SolarStorm.cpp: In function 'int main()':
SolarStorm.cpp:70:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < sol.size(); i++) {
                   ~~^~~~~~~~~~~~
SolarStorm.cpp:71:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     cout << sol[i] << " \n"[i + 1 == sol.size()];
                             ~~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 8 ms 1536 KB Output is correct
3 Correct 8 ms 1664 KB Output is correct
4 Correct 6 ms 1024 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 7 ms 1408 KB Output is correct
7 Correct 7 ms 1536 KB Output is correct
8 Correct 8 ms 1664 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 7 ms 1664 KB Output is correct
11 Correct 8 ms 1664 KB Output is correct
12 Correct 6 ms 1024 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 233 ms 91096 KB Output is correct
2 Correct 151 ms 58232 KB Output is correct
3 Correct 162 ms 67576 KB Output is correct
4 Correct 171 ms 73464 KB Output is correct
5 Correct 207 ms 86136 KB Output is correct
6 Correct 261 ms 114424 KB Output is correct
7 Correct 186 ms 75896 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 8 ms 1536 KB Output is correct
3 Correct 8 ms 1664 KB Output is correct
4 Correct 6 ms 1024 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 7 ms 1408 KB Output is correct
7 Correct 7 ms 1536 KB Output is correct
8 Correct 8 ms 1664 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 7 ms 1664 KB Output is correct
11 Correct 8 ms 1664 KB Output is correct
12 Correct 6 ms 1024 KB Output is correct
13 Correct 233 ms 91096 KB Output is correct
14 Correct 151 ms 58232 KB Output is correct
15 Correct 162 ms 67576 KB Output is correct
16 Correct 171 ms 73464 KB Output is correct
17 Correct 207 ms 86136 KB Output is correct
18 Correct 261 ms 114424 KB Output is correct
19 Correct 186 ms 75896 KB Output is correct
20 Correct 190 ms 65272 KB Output is correct
21 Correct 230 ms 80160 KB Output is correct
22 Correct 263 ms 94968 KB Output is correct
23 Correct 237 ms 95352 KB Output is correct
24 Correct 241 ms 88480 KB Output is correct
25 Correct 246 ms 88312 KB Output is correct
26 Correct 197 ms 65912 KB Output is correct
27 Correct 241 ms 84652 KB Output is correct
28 Correct 238 ms 83704 KB Output is correct
29 Correct 318 ms 108536 KB Output is correct
30 Correct 281 ms 89080 KB Output is correct
31 Correct 227 ms 78072 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 273 ms 91748 KB Output is correct
2 Correct 147 ms 58616 KB Output is correct
3 Correct 147 ms 62712 KB Output is correct
4 Correct 216 ms 90488 KB Output is correct
5 Correct 204 ms 87800 KB Output is correct
6 Correct 232 ms 93048 KB Output is correct
7 Correct 349 ms 120912 KB Output is correct

Subtask #5
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 8 ms 1536 KB Output is correct
3 Correct 8 ms 1664 KB Output is correct
4 Correct 6 ms 1024 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 7 ms 1408 KB Output is correct
7 Correct 7 ms 1536 KB Output is correct
8 Correct 8 ms 1664 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 7 ms 1664 KB Output is correct
11 Correct 8 ms 1664 KB Output is correct
12 Correct 6 ms 1024 KB Output is correct
13 Correct 8 ms 1664 KB Output is correct
14 Correct 7 ms 1408 KB Output is correct
15 Correct 8 ms 1664 KB Output is correct
16 Correct 7 ms 1280 KB Output is correct
17 Correct 7 ms 1536 KB Output is correct
18 Correct 8 ms 1792 KB Output is correct
19 Correct 7 ms 1536 KB Output is correct
20 Correct 7 ms 1408 KB Output is correct
21 Correct 9 ms 1920 KB Output is correct
22 Correct 9 ms 1792 KB Output is correct
23 Correct 8 ms 1792 KB Output is correct
24 Correct 8 ms 1664 KB Output is correct
25 Correct 8 ms 1664 KB Output is correct
26 Correct 9 ms 1664 KB Output is correct
27 Correct 8 ms 1440 KB Output is correct
28 Correct 7 ms 1408 KB Output is correct
29 Correct 8 ms 1408 KB Output is correct
30 Correct 8 ms 1664 KB Output is correct

Subtask #6
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 8 ms 1536 KB Output is correct
3 Correct 8 ms 1664 KB Output is correct
4 Correct 6 ms 1024 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 7 ms 1408 KB Output is correct
7 Correct 7 ms 1536 KB Output is correct
8 Correct 8 ms 1664 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 7 ms 1664 KB Output is correct
11 Correct 8 ms 1664 KB Output is correct
12 Correct 6 ms 1024 KB Output is correct
13 Correct 233 ms 91096 KB Output is correct
14 Correct 151 ms 58232 KB Output is correct
15 Correct 162 ms 67576 KB Output is correct
16 Correct 171 ms 73464 KB Output is correct
17 Correct 207 ms 86136 KB Output is correct
18 Correct 261 ms 114424 KB Output is correct
19 Correct 186 ms 75896 KB Output is correct
20 Correct 190 ms 65272 KB Output is correct
21 Correct 230 ms 80160 KB Output is correct
22 Correct 263 ms 94968 KB Output is correct
23 Correct 237 ms 95352 KB Output is correct
24 Correct 241 ms 88480 KB Output is correct
25 Correct 246 ms 88312 KB Output is correct
26 Correct 197 ms 65912 KB Output is correct
27 Correct 241 ms 84652 KB Output is correct
28 Correct 238 ms 83704 KB Output is correct
29 Correct 318 ms 108536 KB Output is correct
30 Correct 281 ms 89080 KB Output is correct
31 Correct 227 ms 78072 KB Output is correct
32 Correct 279 ms 104440 KB Output is correct
33 Correct 216 ms 79992 KB Output is correct
34 Correct 309 ms 110200 KB Output is correct
35 Correct 199 ms 66296 KB Output is correct
36 Correct 204 ms 70904 KB Output is correct
37 Correct 224 ms 78328 KB Output is correct
38 Correct 313 ms 118648 KB Output is correct
39 Correct 251 ms 89208 KB Output is correct
40 Correct 324 ms 119800 KB Output is correct

Subtask #7
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 8 ms 1536 KB Output is correct
3 Correct 8 ms 1664 KB Output is correct
4 Correct 6 ms 1024 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 7 ms 1408 KB Output is correct
7 Correct 7 ms 1536 KB Output is correct
8 Correct 8 ms 1664 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 7 ms 1664 KB Output is correct
11 Correct 8 ms 1664 KB Output is correct
12 Correct 6 ms 1024 KB Output is correct
13 Correct 233 ms 91096 KB Output is correct
14 Correct 151 ms 58232 KB Output is correct
15 Correct 162 ms 67576 KB Output is correct
16 Correct 171 ms 73464 KB Output is correct
17 Correct 207 ms 86136 KB Output is correct
18 Correct 261 ms 114424 KB Output is correct
19 Correct 186 ms 75896 KB Output is correct
20 Correct 190 ms 65272 KB Output is correct
21 Correct 230 ms 80160 KB Output is correct
22 Correct 263 ms 94968 KB Output is correct
23 Correct 237 ms 95352 KB Output is correct
24 Correct 241 ms 88480 KB Output is correct
25 Correct 246 ms 88312 KB Output is correct
26 Correct 197 ms 65912 KB Output is correct
27 Correct 241 ms 84652 KB Output is correct
28 Correct 238 ms 83704 KB Output is correct
29 Correct 318 ms 108536 KB Output is correct
30 Correct 281 ms 89080 KB Output is correct
31 Correct 227 ms 78072 KB Output is correct
32 Correct 273 ms 91748 KB Output is correct
33 Correct 147 ms 58616 KB Output is correct
34 Correct 147 ms 62712 KB Output is correct
35 Correct 216 ms 90488 KB Output is correct
36 Correct 204 ms 87800 KB Output is correct
37 Correct 232 ms 93048 KB Output is correct
38 Correct 349 ms 120912 KB Output is correct
39 Correct 8 ms 1664 KB Output is correct
40 Correct 7 ms 1408 KB Output is correct
41 Correct 8 ms 1664 KB Output is correct
42 Correct 7 ms 1280 KB Output is correct
43 Correct 7 ms 1536 KB Output is correct
44 Correct 8 ms 1792 KB Output is correct
45 Correct 7 ms 1536 KB Output is correct
46 Correct 7 ms 1408 KB Output is correct
47 Correct 9 ms 1920 KB Output is correct
48 Correct 9 ms 1792 KB Output is correct
49 Correct 8 ms 1792 KB Output is correct
50 Correct 8 ms 1664 KB Output is correct
51 Correct 8 ms 1664 KB Output is correct
52 Correct 9 ms 1664 KB Output is correct
53 Correct 8 ms 1440 KB Output is correct
54 Correct 7 ms 1408 KB Output is correct
55 Correct 8 ms 1408 KB Output is correct
56 Correct 8 ms 1664 KB Output is correct
57 Correct 279 ms 104440 KB Output is correct
58 Correct 216 ms 79992 KB Output is correct
59 Correct 309 ms 110200 KB Output is correct
60 Correct 199 ms 66296 KB Output is correct
61 Correct 204 ms 70904 KB Output is correct
62 Correct 224 ms 78328 KB Output is correct
63 Correct 313 ms 118648 KB Output is correct
64 Correct 251 ms 89208 KB Output is correct
65 Correct 324 ms 119800 KB Output is correct
66 Correct 208 ms 71800 KB Output is correct
67 Correct 315 ms 102848 KB Output is correct
68 Correct 274 ms 71776 KB Output is correct
69 Correct 283 ms 94192 KB Output is correct
70 Correct 196 ms 74488 KB Output is correct
71 Correct 339 ms 118776 KB Output is correct
72 Correct 207 ms 75256 KB Output is correct
73 Correct 291 ms 98296 KB Output is correct
74 Correct 169 ms 61304 KB Output is correct
75 Correct 278 ms 100728 KB Output is correct
76 Correct 201 ms 70392 KB Output is correct
77 Correct 287 ms 94260 KB Output is correct
78 Correct 178 ms 67068 KB Output is correct
79 Correct 224 ms 86908 KB Output is correct
80 Correct 296 ms 108536 KB Output is correct
81 Correct 180 ms 71672 KB Output is correct
82 Correct 272 ms 90488 KB Output is correct
83 Correct 185 ms 60408 KB Output is correct
84 Correct 200 ms 65656 KB Output is correct
85 Correct 178 ms 61432 KB Output is correct
86 Correct 307 ms 108304 KB Output is correct
87 Correct 168 ms 61608 KB Output is correct
88 Correct 331 ms 108280 KB Output is correct
89 Correct 231 ms 87672 KB Output is correct
90 Correct 218 ms 79508 KB Output is correct
91 Correct 409 ms 130652 KB Output is correct
92 Correct 337 ms 120568 KB Output is correct
93 Correct 395 ms 125548 KB Output is correct
94 Correct 395 ms 125580 KB Output is correct
95 Correct 326 ms 106700 KB Output is correct
96 Correct 249 ms 83960 KB Output is correct
97 Correct 339 ms 114292 KB Output is correct
98 Correct 236 ms 76520 KB Output is correct
99 Correct 275 ms 87756 KB Output is correct
100 Correct 272 ms 85216 KB Output is correct