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Submission #439011

# Submission time Handle Problem Language Result Execution time Memory
439011 2021-06-29T04:18:15 Z meatrow Solar Storm (NOI20_solarstorm) C++17
100 / 100
 1984 ms 157736 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
using ll = long long;
using ld = long double;
 
const int MOD = 998244353;
 
ll binpow(ll a, ll p, int mod = MOD) {
    ll res = 1;
    while (p) {
        if (p & 1) {
            (res *= a) %= mod;
        }
        p >>= 1;
        (a *= a) %= mod;
    }
    return res;
}
 
ll gcd(ll a, ll b) {
    return b == 0 ? a : gcd(b, a % b);
}

void solve() {
    int s, n;
    ll k;
    cin >> n >> s >> k;
    vector<ll> pos(n + 1);
    pos[0] = -1;
    for (int i = 2; i <= n; i++) {
        cin >> pos[i];
        pos[i] += pos[i - 1];
    }
    vector<ll> value(n + 1);
    for (int i = 1; i <= n; i++) {
        cin >> value[i];
        value[i] += value[i - 1];
    }
    const int K = 21;
    vector<vector<int>> go(n + 2, vector<int>(K));
    go[n + 1].assign(K, n + 1);
    ll best_value = -1;
    ll start = 0;
    for (int i = n; i >= 1; i--) {
        int mid = upper_bound(pos.begin(), pos.end(), pos[i] + k) - pos.begin() - 1;
        int lst = upper_bound(pos.begin(), pos.end(), pos[mid] + k) - pos.begin();
        go[i][0] = lst;
        for (int j = 1; j < K; j++) {
            go[i][j] = go[go[i][j - 1]][j - 1];
        }
        int cur = i;
        for (int j = K - 1; j >= 0; j--) {
            if (s >> j & 1) {
                cur = go[cur][j];
            }
        }
        ll cur_value = value[cur - 1] - value[i - 1];
        if (cur_value > best_value) {
            best_value = cur_value;
            start = i;
        } 
    }

    vector<int> ans;
    while (s && start <= n) {
        int mid = upper_bound(pos.begin(), pos.end(), pos[start] + k) - pos.begin() - 1;
        ans.push_back(mid);
        start = go[start][0];
        s--;
    }
    cout << ans.size() << endl;
    for (int i : ans) {
        cout << i << ' ';
    }
    cout << endl;
}
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int T = 1;
    // cin >> T;
    for (int tc = 1; tc <= T; tc++) {
        // cout << "Case #" << tc << ": ";
        solve();
    }
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 1604 KB Output is correct
3 Correct 7 ms 1764 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 6 ms 1356 KB Output is correct
7 Correct 6 ms 1484 KB Output is correct
8 Correct 6 ms 1740 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 7 ms 1732 KB Output is correct
11 Correct 7 ms 1728 KB Output is correct
12 Correct 3 ms 844 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 451 ms 121972 KB Output is correct
2 Correct 314 ms 77528 KB Output is correct
3 Correct 341 ms 83216 KB Output is correct
4 Correct 435 ms 90664 KB Output is correct
5 Correct 507 ms 106180 KB Output is correct
6 Correct 767 ms 141596 KB Output is correct
7 Correct 575 ms 93556 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 1604 KB Output is correct
3 Correct 7 ms 1764 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 6 ms 1356 KB Output is correct
7 Correct 6 ms 1484 KB Output is correct
8 Correct 6 ms 1740 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 7 ms 1732 KB Output is correct
11 Correct 7 ms 1728 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 451 ms 121972 KB Output is correct
14 Correct 314 ms 77528 KB Output is correct
15 Correct 341 ms 83216 KB Output is correct
16 Correct 435 ms 90664 KB Output is correct
17 Correct 507 ms 106180 KB Output is correct
18 Correct 767 ms 141596 KB Output is correct
19 Correct 575 ms 93556 KB Output is correct
20 Correct 304 ms 80020 KB Output is correct
21 Correct 514 ms 98060 KB Output is correct
22 Correct 615 ms 116416 KB Output is correct
23 Correct 441 ms 117544 KB Output is correct
24 Correct 447 ms 108324 KB Output is correct
25 Correct 450 ms 108384 KB Output is correct
26 Correct 329 ms 80756 KB Output is correct
27 Correct 458 ms 103640 KB Output is correct
28 Correct 492 ms 102580 KB Output is correct
29 Correct 602 ms 133280 KB Output is correct
30 Correct 589 ms 109104 KB Output is correct
31 Correct 502 ms 95620 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 976 ms 120160 KB Output is correct
2 Correct 481 ms 72132 KB Output is correct
3 Correct 418 ms 77368 KB Output is correct
4 Correct 640 ms 111968 KB Output is correct
5 Correct 567 ms 108528 KB Output is correct
6 Correct 607 ms 114980 KB Output is correct
7 Correct 1984 ms 147976 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 1604 KB Output is correct
3 Correct 7 ms 1764 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 6 ms 1356 KB Output is correct
7 Correct 6 ms 1484 KB Output is correct
8 Correct 6 ms 1740 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 7 ms 1732 KB Output is correct
11 Correct 7 ms 1728 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 7 ms 1740 KB Output is correct
14 Correct 7 ms 1484 KB Output is correct
15 Correct 6 ms 1356 KB Output is correct
16 Correct 5 ms 972 KB Output is correct
17 Correct 7 ms 1356 KB Output is correct
18 Correct 7 ms 1736 KB Output is correct
19 Correct 6 ms 1484 KB Output is correct
20 Correct 6 ms 1224 KB Output is correct
21 Correct 8 ms 1880 KB Output is correct
22 Correct 7 ms 1732 KB Output is correct
23 Correct 7 ms 1672 KB Output is correct
24 Correct 6 ms 1484 KB Output is correct
25 Correct 8 ms 1612 KB Output is correct
26 Correct 8 ms 1728 KB Output is correct
27 Correct 6 ms 1356 KB Output is correct
28 Correct 6 ms 1356 KB Output is correct
29 Correct 6 ms 1356 KB Output is correct
30 Correct 7 ms 1608 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 1604 KB Output is correct
3 Correct 7 ms 1764 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 6 ms 1356 KB Output is correct
7 Correct 6 ms 1484 KB Output is correct
8 Correct 6 ms 1740 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 7 ms 1732 KB Output is correct
11 Correct 7 ms 1728 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 451 ms 121972 KB Output is correct
14 Correct 314 ms 77528 KB Output is correct
15 Correct 341 ms 83216 KB Output is correct
16 Correct 435 ms 90664 KB Output is correct
17 Correct 507 ms 106180 KB Output is correct
18 Correct 767 ms 141596 KB Output is correct
19 Correct 575 ms 93556 KB Output is correct
20 Correct 304 ms 80020 KB Output is correct
21 Correct 514 ms 98060 KB Output is correct
22 Correct 615 ms 116416 KB Output is correct
23 Correct 441 ms 117544 KB Output is correct
24 Correct 447 ms 108324 KB Output is correct
25 Correct 450 ms 108384 KB Output is correct
26 Correct 329 ms 80756 KB Output is correct
27 Correct 458 ms 103640 KB Output is correct
28 Correct 492 ms 102580 KB Output is correct
29 Correct 602 ms 133280 KB Output is correct
30 Correct 589 ms 109104 KB Output is correct
31 Correct 502 ms 95620 KB Output is correct
32 Correct 506 ms 127960 KB Output is correct
33 Correct 384 ms 97912 KB Output is correct
34 Correct 665 ms 134848 KB Output is correct
35 Correct 394 ms 81188 KB Output is correct
36 Correct 447 ms 86968 KB Output is correct
37 Correct 440 ms 95820 KB Output is correct
38 Correct 930 ms 145804 KB Output is correct
39 Correct 543 ms 109360 KB Output is correct
40 Correct 856 ms 146940 KB Output is correct

Subtask #7
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 1604 KB Output is correct
3 Correct 7 ms 1764 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 6 ms 1356 KB Output is correct
7 Correct 6 ms 1484 KB Output is correct
8 Correct 6 ms 1740 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 7 ms 1732 KB Output is correct
11 Correct 7 ms 1728 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 451 ms 121972 KB Output is correct
14 Correct 314 ms 77528 KB Output is correct
15 Correct 341 ms 83216 KB Output is correct
16 Correct 435 ms 90664 KB Output is correct
17 Correct 507 ms 106180 KB Output is correct
18 Correct 767 ms 141596 KB Output is correct
19 Correct 575 ms 93556 KB Output is correct
20 Correct 304 ms 80020 KB Output is correct
21 Correct 514 ms 98060 KB Output is correct
22 Correct 615 ms 116416 KB Output is correct
23 Correct 441 ms 117544 KB Output is correct
24 Correct 447 ms 108324 KB Output is correct
25 Correct 450 ms 108384 KB Output is correct
26 Correct 329 ms 80756 KB Output is correct
27 Correct 458 ms 103640 KB Output is correct
28 Correct 492 ms 102580 KB Output is correct
29 Correct 602 ms 133280 KB Output is correct
30 Correct 589 ms 109104 KB Output is correct
31 Correct 502 ms 95620 KB Output is correct
32 Correct 976 ms 120160 KB Output is correct
33 Correct 481 ms 72132 KB Output is correct
34 Correct 418 ms 77368 KB Output is correct
35 Correct 640 ms 111968 KB Output is correct
36 Correct 567 ms 108528 KB Output is correct
37 Correct 607 ms 114980 KB Output is correct
38 Correct 1984 ms 147976 KB Output is correct
39 Correct 7 ms 1740 KB Output is correct
40 Correct 7 ms 1484 KB Output is correct
41 Correct 6 ms 1356 KB Output is correct
42 Correct 5 ms 972 KB Output is correct
43 Correct 7 ms 1356 KB Output is correct
44 Correct 7 ms 1736 KB Output is correct
45 Correct 6 ms 1484 KB Output is correct
46 Correct 6 ms 1224 KB Output is correct
47 Correct 8 ms 1880 KB Output is correct
48 Correct 7 ms 1732 KB Output is correct
49 Correct 7 ms 1672 KB Output is correct
50 Correct 6 ms 1484 KB Output is correct
51 Correct 8 ms 1612 KB Output is correct
52 Correct 8 ms 1728 KB Output is correct
53 Correct 6 ms 1356 KB Output is correct
54 Correct 6 ms 1356 KB Output is correct
55 Correct 6 ms 1356 KB Output is correct
56 Correct 7 ms 1608 KB Output is correct
57 Correct 506 ms 127960 KB Output is correct
58 Correct 384 ms 97912 KB Output is correct
59 Correct 665 ms 134848 KB Output is correct
60 Correct 394 ms 81188 KB Output is correct
61 Correct 447 ms 86968 KB Output is correct
62 Correct 440 ms 95820 KB Output is correct
63 Correct 930 ms 145804 KB Output is correct
64 Correct 543 ms 109360 KB Output is correct
65 Correct 856 ms 146940 KB Output is correct
66 Correct 327 ms 87820 KB Output is correct
67 Correct 1160 ms 124816 KB Output is correct
68 Correct 546 ms 86164 KB Output is correct
69 Correct 1345 ms 114856 KB Output is correct
70 Correct 358 ms 91304 KB Output is correct
71 Correct 738 ms 145804 KB Output is correct
72 Correct 420 ms 92140 KB Output is correct
73 Correct 530 ms 120516 KB Output is correct
74 Correct 523 ms 75016 KB Output is correct
75 Correct 867 ms 123684 KB Output is correct
76 Correct 460 ms 86144 KB Output is correct
77 Correct 517 ms 115408 KB Output is correct
78 Correct 441 ms 82068 KB Output is correct
79 Correct 655 ms 106516 KB Output is correct
80 Correct 831 ms 133196 KB Output is correct
81 Correct 321 ms 87828 KB Output is correct
82 Correct 454 ms 111084 KB Output is correct
83 Correct 350 ms 74088 KB Output is correct
84 Correct 363 ms 80200 KB Output is correct
85 Correct 341 ms 75076 KB Output is correct
86 Correct 606 ms 132704 KB Output is correct
87 Correct 393 ms 75440 KB Output is correct
88 Correct 705 ms 132940 KB Output is correct
89 Correct 530 ms 107480 KB Output is correct
90 Correct 499 ms 97348 KB Output is correct
91 Correct 967 ms 157736 KB Output is correct
92 Correct 1330 ms 147640 KB Output is correct
93 Correct 1768 ms 152744 KB Output is correct
94 Correct 1861 ms 152756 KB Output is correct
95 Correct 623 ms 130920 KB Output is correct
96 Correct 480 ms 102796 KB Output is correct
97 Correct 769 ms 139988 KB Output is correct
98 Correct 657 ms 93020 KB Output is correct
99 Correct 633 ms 106196 KB Output is correct
100 Correct 629 ms 102400 KB Output is correct