oj.uz

답안 #439012

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
439012 2021-06-29T04:20:43 Z meatrow Solar Storm (NOI20_solarstorm) C++17
100 / 100
 1672 ms 144384 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() + i, pos.end(), pos[i] + k) - pos.begin() - 1;
        int lst = upper_bound(pos.begin() + mid, 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() + start, 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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 5 ms 1484 KB Output is correct
3 Correct 8 ms 1620 KB Output is correct
4 Correct 3 ms 844 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 5 ms 1356 KB Output is correct
7 Correct 5 ms 1356 KB Output is correct
8 Correct 6 ms 1612 KB Output is correct
9 Correct 4 ms 1100 KB Output is correct
10 Correct 6 ms 1612 KB Output is correct
11 Correct 6 ms 1612 KB Output is correct
12 Correct 3 ms 844 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 413 ms 114404 KB Output is correct
2 Correct 293 ms 72840 KB Output is correct
3 Correct 329 ms 78032 KB Output is correct
4 Correct 448 ms 85120 KB Output is correct
5 Correct 538 ms 99868 KB Output is correct
6 Correct 755 ms 132912 KB Output is correct
7 Correct 528 ms 87916 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 5 ms 1484 KB Output is correct
3 Correct 8 ms 1620 KB Output is correct
4 Correct 3 ms 844 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 5 ms 1356 KB Output is correct
7 Correct 5 ms 1356 KB Output is correct
8 Correct 6 ms 1612 KB Output is correct
9 Correct 4 ms 1100 KB Output is correct
10 Correct 6 ms 1612 KB Output is correct
11 Correct 6 ms 1612 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 413 ms 114404 KB Output is correct
14 Correct 293 ms 72840 KB Output is correct
15 Correct 329 ms 78032 KB Output is correct
16 Correct 448 ms 85120 KB Output is correct
17 Correct 538 ms 99868 KB Output is correct
18 Correct 755 ms 132912 KB Output is correct
19 Correct 528 ms 87916 KB Output is correct
20 Correct 316 ms 72568 KB Output is correct
21 Correct 566 ms 89072 KB Output is correct
22 Correct 652 ms 105848 KB Output is correct
23 Correct 409 ms 108924 KB Output is correct
24 Correct 392 ms 98380 KB Output is correct
25 Correct 454 ms 98388 KB Output is correct
26 Correct 307 ms 73328 KB Output is correct
27 Correct 453 ms 94148 KB Output is correct
28 Correct 569 ms 93144 KB Output is correct
29 Correct 626 ms 121184 KB Output is correct
30 Correct 642 ms 99044 KB Output is correct
31 Correct 516 ms 86884 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 858 ms 113232 KB Output is correct
2 Correct 532 ms 67668 KB Output is correct
3 Correct 381 ms 72640 KB Output is correct
4 Correct 555 ms 105156 KB Output is correct
5 Correct 578 ms 101828 KB Output is correct
6 Correct 635 ms 107844 KB Output is correct
7 Correct 1617 ms 139272 KB Output is correct

Subtask #5
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 5 ms 1484 KB Output is correct
3 Correct 8 ms 1620 KB Output is correct
4 Correct 3 ms 844 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 5 ms 1356 KB Output is correct
7 Correct 5 ms 1356 KB Output is correct
8 Correct 6 ms 1612 KB Output is correct
9 Correct 4 ms 1100 KB Output is correct
10 Correct 6 ms 1612 KB Output is correct
11 Correct 6 ms 1612 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 6 ms 1612 KB Output is correct
14 Correct 5 ms 1356 KB Output is correct
15 Correct 5 ms 1356 KB Output is correct
16 Correct 5 ms 972 KB Output is correct
17 Correct 4 ms 1316 KB Output is correct
18 Correct 6 ms 1484 KB Output is correct
19 Correct 5 ms 1356 KB Output is correct
20 Correct 4 ms 1100 KB Output is correct
21 Correct 7 ms 1740 KB Output is correct
22 Correct 7 ms 1612 KB Output is correct
23 Correct 6 ms 1612 KB Output is correct
24 Correct 5 ms 1356 KB Output is correct
25 Correct 6 ms 1404 KB Output is correct
26 Correct 6 ms 1484 KB Output is correct
27 Correct 5 ms 1228 KB Output is correct
28 Correct 5 ms 1228 KB Output is correct
29 Correct 5 ms 1264 KB Output is correct
30 Correct 6 ms 1484 KB Output is correct

Subtask #6
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 5 ms 1484 KB Output is correct
3 Correct 8 ms 1620 KB Output is correct
4 Correct 3 ms 844 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 5 ms 1356 KB Output is correct
7 Correct 5 ms 1356 KB Output is correct
8 Correct 6 ms 1612 KB Output is correct
9 Correct 4 ms 1100 KB Output is correct
10 Correct 6 ms 1612 KB Output is correct
11 Correct 6 ms 1612 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 413 ms 114404 KB Output is correct
14 Correct 293 ms 72840 KB Output is correct
15 Correct 329 ms 78032 KB Output is correct
16 Correct 448 ms 85120 KB Output is correct
17 Correct 538 ms 99868 KB Output is correct
18 Correct 755 ms 132912 KB Output is correct
19 Correct 528 ms 87916 KB Output is correct
20 Correct 316 ms 72568 KB Output is correct
21 Correct 566 ms 89072 KB Output is correct
22 Correct 652 ms 105848 KB Output is correct
23 Correct 409 ms 108924 KB Output is correct
24 Correct 392 ms 98380 KB Output is correct
25 Correct 454 ms 98388 KB Output is correct
26 Correct 307 ms 73328 KB Output is correct
27 Correct 453 ms 94148 KB Output is correct
28 Correct 569 ms 93144 KB Output is correct
29 Correct 626 ms 121184 KB Output is correct
30 Correct 642 ms 99044 KB Output is correct
31 Correct 516 ms 86884 KB Output is correct
32 Correct 446 ms 116192 KB Output is correct
33 Correct 371 ms 89028 KB Output is correct
34 Correct 766 ms 122564 KB Output is correct
35 Correct 372 ms 73704 KB Output is correct
36 Correct 381 ms 78912 KB Output is correct
37 Correct 425 ms 87032 KB Output is correct
38 Correct 1040 ms 132424 KB Output is correct
39 Correct 562 ms 99404 KB Output is correct
40 Correct 827 ms 133448 KB Output is correct

Subtask #7
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 5 ms 1484 KB Output is correct
3 Correct 8 ms 1620 KB Output is correct
4 Correct 3 ms 844 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 5 ms 1356 KB Output is correct
7 Correct 5 ms 1356 KB Output is correct
8 Correct 6 ms 1612 KB Output is correct
9 Correct 4 ms 1100 KB Output is correct
10 Correct 6 ms 1612 KB Output is correct
11 Correct 6 ms 1612 KB Output is correct
12 Correct 3 ms 844 KB Output is correct
13 Correct 413 ms 114404 KB Output is correct
14 Correct 293 ms 72840 KB Output is correct
15 Correct 329 ms 78032 KB Output is correct
16 Correct 448 ms 85120 KB Output is correct
17 Correct 538 ms 99868 KB Output is correct
18 Correct 755 ms 132912 KB Output is correct
19 Correct 528 ms 87916 KB Output is correct
20 Correct 316 ms 72568 KB Output is correct
21 Correct 566 ms 89072 KB Output is correct
22 Correct 652 ms 105848 KB Output is correct
23 Correct 409 ms 108924 KB Output is correct
24 Correct 392 ms 98380 KB Output is correct
25 Correct 454 ms 98388 KB Output is correct
26 Correct 307 ms 73328 KB Output is correct
27 Correct 453 ms 94148 KB Output is correct
28 Correct 569 ms 93144 KB Output is correct
29 Correct 626 ms 121184 KB Output is correct
30 Correct 642 ms 99044 KB Output is correct
31 Correct 516 ms 86884 KB Output is correct
32 Correct 858 ms 113232 KB Output is correct
33 Correct 532 ms 67668 KB Output is correct
34 Correct 381 ms 72640 KB Output is correct
35 Correct 555 ms 105156 KB Output is correct
36 Correct 578 ms 101828 KB Output is correct
37 Correct 635 ms 107844 KB Output is correct
38 Correct 1617 ms 139272 KB Output is correct
39 Correct 6 ms 1612 KB Output is correct
40 Correct 5 ms 1356 KB Output is correct
41 Correct 5 ms 1356 KB Output is correct
42 Correct 5 ms 972 KB Output is correct
43 Correct 4 ms 1316 KB Output is correct
44 Correct 6 ms 1484 KB Output is correct
45 Correct 5 ms 1356 KB Output is correct
46 Correct 4 ms 1100 KB Output is correct
47 Correct 7 ms 1740 KB Output is correct
48 Correct 7 ms 1612 KB Output is correct
49 Correct 6 ms 1612 KB Output is correct
50 Correct 5 ms 1356 KB Output is correct
51 Correct 6 ms 1404 KB Output is correct
52 Correct 6 ms 1484 KB Output is correct
53 Correct 5 ms 1228 KB Output is correct
54 Correct 5 ms 1228 KB Output is correct
55 Correct 5 ms 1264 KB Output is correct
56 Correct 6 ms 1484 KB Output is correct
57 Correct 446 ms 116192 KB Output is correct
58 Correct 371 ms 89028 KB Output is correct
59 Correct 766 ms 122564 KB Output is correct
60 Correct 372 ms 73704 KB Output is correct
61 Correct 381 ms 78912 KB Output is correct
62 Correct 425 ms 87032 KB Output is correct
63 Correct 1040 ms 132424 KB Output is correct
64 Correct 562 ms 99404 KB Output is correct
65 Correct 827 ms 133448 KB Output is correct
66 Correct 316 ms 79676 KB Output is correct
67 Correct 1176 ms 113816 KB Output is correct
68 Correct 484 ms 78820 KB Output is correct
69 Correct 1205 ms 104632 KB Output is correct
70 Correct 309 ms 82888 KB Output is correct
71 Correct 700 ms 132504 KB Output is correct
72 Correct 393 ms 83668 KB Output is correct
73 Correct 518 ms 109508 KB Output is correct
74 Correct 427 ms 68036 KB Output is correct
75 Correct 811 ms 112424 KB Output is correct
76 Correct 446 ms 78212 KB Output is correct
77 Correct 516 ms 104812 KB Output is correct
78 Correct 428 ms 74548 KB Output is correct
79 Correct 569 ms 96732 KB Output is correct
80 Correct 765 ms 120948 KB Output is correct
81 Correct 300 ms 79740 KB Output is correct
82 Correct 451 ms 100956 KB Output is correct
83 Correct 350 ms 67280 KB Output is correct
84 Correct 369 ms 72900 KB Output is correct
85 Correct 331 ms 68232 KB Output is correct
86 Correct 546 ms 120644 KB Output is correct
87 Correct 411 ms 68460 KB Output is correct
88 Correct 703 ms 120816 KB Output is correct
89 Correct 621 ms 97616 KB Output is correct
90 Correct 501 ms 88444 KB Output is correct
91 Correct 1025 ms 144384 KB Output is correct
92 Correct 1269 ms 134208 KB Output is correct
93 Correct 1672 ms 139244 KB Output is correct
94 Correct 1616 ms 139264 KB Output is correct
95 Correct 652 ms 118888 KB Output is correct
96 Correct 426 ms 93380 KB Output is correct
97 Correct 696 ms 127240 KB Output is correct
98 Correct 572 ms 84696 KB Output is correct
99 Correct 577 ms 96820 KB Output is correct
100 Correct 616 ms 93612 KB Output is correct