oj.uz

답안 #887137

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
887137 2023-12-13T21:03:55 Z box Financial Report (JOI21_financial) C++17
100 / 100
 274 ms 19420 KB 
#include <bits/stdc++.h>
using namespace std;

using pii = pair<int, int>;

const int N = 3e5, N_ = 1 << 19;

int n, d, a[N];
int order[N];
int dp[N];
pii seg[N_ * 2];
int big[N_ * 2];

void bld(int k, int l, int r) {
    big[k] = 0;
    seg[k] = {-1, -1};
    if (l < r) {
        int m = (l + r) / 2;
        bld(k * 2, l, m), bld(k * 2 + 1, m + 1, r);
    }
}

pii operator+(const pii one, const pii two) {
    if (one == pii{-2, -2} || two == pii{-2, -2}) return {-2, -2};
    if (one == pii{-1, -1}) return two;
    if (two == pii{-1, -1}) return one;
    if (two.first - one.second > d) return {-2, -2};
    return {one.first, two.second};
}

void upd(int k, int l, int r, int i) {
    if (l == r) {
        big[k] = dp[i];
        seg[k] = {i, i};
    } else {
        int m = (l + r) / 2;
        i <= m ? upd(k * 2, l, m, i) : upd(k * 2 + 1, m + 1, r, i);
        big[k] = max(big[k * 2], big[k * 2 + 1]);
        seg[k] = seg[k * 2] + seg[k * 2 + 1];
    }
}

bool pos(int k, int l, int r, int ql, int qr, pii &v) {
    if (ql > r || qr < l) return 0;
    if (ql <= l && qr >= r) {
        if ((seg[k] + v) != pii{-2, -2}) {
            v = seg[k] + v;
            return 0;
        }
        if (l == r) return 1;
        int m = (l + r) / 2;
        if ((seg[k * 2 + 1] + v) != pii{-2, -2}) {
            v = seg[k * 2 + 1] + v;
            return pos(k * 2, l, m, ql, qr, v);
        }
        return pos(k * 2 + 1, m + 1, r, ql, qr, v);
    }
    int m = (l + r) / 2;
    return pos(k * 2 + 1, m + 1, r, ql, qr, v) ? 1 : pos(k * 2, l, m, ql, qr, v);
}

int qry(int k, int l, int r, int ql, int qr) {
    if (ql > r || qr < l) return 0;
    if (ql <= l && qr >= r) return big[k];
    int m = (l + r) / 2;
    return max(qry(k * 2, l, m, ql, qr), qry(k * 2 + 1, m + 1, r, ql, qr));
}

void calc_dp(int i) {
    pii v = {-1, -1};
    pos(1, 0, n - 1, 0, i, v);
    // cout << i << " => " << v.first << ' ' << v.second << endl;
    dp[i] = 1 + [&]() {
        if (v == pii{-1, -1}) return 0;
        if (i - v.second > d) return 0;
        int l = max(0, v.first - d);
        return qry(1, 0, n - 1, l, i);
    }();
    upd(1, 0, n - 1, i);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> d;
    for (int i = 0; i < n; i++) cin >> a[i];
    iota(order, order + n, 0);
    sort(order, order + n, [&](int i, int j) {
        if (a[i] == a[j]) return i > j;
        return a[i] < a[j];
    });
    bld(1, 0, n - 1);
    for (int i = 0; i < n; i++) calc_dp(order[i]);
    cout << *max_element(dp, dp + n) << '\n';
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6740 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6604 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6740 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6604 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 1 ms 6616 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6612 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6492 KB Output is correct
38 Correct 1 ms 6492 KB Output is correct
39 Correct 1 ms 6604 KB Output is correct
40 Correct 1 ms 6492 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6740 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6604 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 1 ms 6616 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6612 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6492 KB Output is correct
38 Correct 1 ms 6492 KB Output is correct
39 Correct 1 ms 6604 KB Output is correct
40 Correct 1 ms 6492 KB Output is correct
41 Correct 5 ms 6748 KB Output is correct
42 Correct 5 ms 6788 KB Output is correct
43 Correct 4 ms 6748 KB Output is correct
44 Correct 4 ms 6620 KB Output is correct
45 Correct 6 ms 6748 KB Output is correct
46 Correct 4 ms 6748 KB Output is correct
47 Correct 5 ms 6748 KB Output is correct
48 Correct 5 ms 6680 KB Output is correct
49 Correct 5 ms 6748 KB Output is correct
50 Correct 5 ms 6748 KB Output is correct
51 Correct 6 ms 6744 KB Output is correct
52 Correct 5 ms 6748 KB Output is correct
53 Correct 4 ms 6748 KB Output is correct
54 Correct 5 ms 7004 KB Output is correct
55 Correct 5 ms 6748 KB Output is correct
56 Correct 5 ms 6744 KB Output is correct
57 Correct 4 ms 6748 KB Output is correct
58 Correct 3 ms 6744 KB Output is correct
59 Correct 4 ms 6624 KB Output is correct
60 Correct 4 ms 6748 KB Output is correct
61 Correct 4 ms 6776 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 105 ms 19204 KB Output is correct
2 Correct 172 ms 19028 KB Output is correct
3 Correct 189 ms 19028 KB Output is correct
4 Correct 219 ms 19380 KB Output is correct
5 Correct 216 ms 19172 KB Output is correct
6 Correct 217 ms 19028 KB Output is correct
7 Correct 139 ms 19028 KB Output is correct
8 Correct 103 ms 19024 KB Output is correct
9 Correct 139 ms 19024 KB Output is correct
10 Correct 131 ms 19024 KB Output is correct
11 Correct 192 ms 18992 KB Output is correct
12 Correct 210 ms 19172 KB Output is correct
13 Correct 264 ms 19116 KB Output is correct
14 Correct 199 ms 19420 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 106 ms 19292 KB Output is correct
2 Correct 202 ms 19072 KB Output is correct
3 Correct 221 ms 19032 KB Output is correct
4 Correct 229 ms 18968 KB Output is correct
5 Correct 214 ms 18936 KB Output is correct
6 Correct 229 ms 19216 KB Output is correct
7 Correct 140 ms 19060 KB Output is correct
8 Correct 104 ms 19028 KB Output is correct
9 Correct 158 ms 18908 KB Output is correct
10 Correct 205 ms 19160 KB Output is correct
11 Correct 209 ms 19168 KB Output is correct
12 Correct 196 ms 19024 KB Output is correct

Subtask #6
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6740 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6604 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 1 ms 6616 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6612 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6492 KB Output is correct
38 Correct 1 ms 6492 KB Output is correct
39 Correct 1 ms 6604 KB Output is correct
40 Correct 1 ms 6492 KB Output is correct
41 Correct 5 ms 6748 KB Output is correct
42 Correct 5 ms 6788 KB Output is correct
43 Correct 4 ms 6748 KB Output is correct
44 Correct 4 ms 6620 KB Output is correct
45 Correct 6 ms 6748 KB Output is correct
46 Correct 4 ms 6748 KB Output is correct
47 Correct 5 ms 6748 KB Output is correct
48 Correct 5 ms 6680 KB Output is correct
49 Correct 5 ms 6748 KB Output is correct
50 Correct 5 ms 6748 KB Output is correct
51 Correct 6 ms 6744 KB Output is correct
52 Correct 5 ms 6748 KB Output is correct
53 Correct 4 ms 6748 KB Output is correct
54 Correct 5 ms 7004 KB Output is correct
55 Correct 5 ms 6748 KB Output is correct
56 Correct 5 ms 6744 KB Output is correct
57 Correct 4 ms 6748 KB Output is correct
58 Correct 3 ms 6744 KB Output is correct
59 Correct 4 ms 6624 KB Output is correct
60 Correct 4 ms 6748 KB Output is correct
61 Correct 4 ms 6776 KB Output is correct
62 Correct 105 ms 19204 KB Output is correct
63 Correct 172 ms 19028 KB Output is correct
64 Correct 189 ms 19028 KB Output is correct
65 Correct 219 ms 19380 KB Output is correct
66 Correct 216 ms 19172 KB Output is correct
67 Correct 217 ms 19028 KB Output is correct
68 Correct 139 ms 19028 KB Output is correct
69 Correct 103 ms 19024 KB Output is correct
70 Correct 139 ms 19024 KB Output is correct
71 Correct 131 ms 19024 KB Output is correct
72 Correct 192 ms 18992 KB Output is correct
73 Correct 210 ms 19172 KB Output is correct
74 Correct 264 ms 19116 KB Output is correct
75 Correct 199 ms 19420 KB Output is correct
76 Correct 106 ms 19292 KB Output is correct
77 Correct 202 ms 19072 KB Output is correct
78 Correct 221 ms 19032 KB Output is correct
79 Correct 229 ms 18968 KB Output is correct
80 Correct 214 ms 18936 KB Output is correct
81 Correct 229 ms 19216 KB Output is correct
82 Correct 140 ms 19060 KB Output is correct
83 Correct 104 ms 19028 KB Output is correct
84 Correct 158 ms 18908 KB Output is correct
85 Correct 205 ms 19160 KB Output is correct
86 Correct 209 ms 19168 KB Output is correct
87 Correct 196 ms 19024 KB Output is correct
88 Correct 250 ms 19024 KB Output is correct
89 Correct 263 ms 19024 KB Output is correct
90 Correct 271 ms 19284 KB Output is correct
91 Correct 229 ms 19028 KB Output is correct
92 Correct 185 ms 19024 KB Output is correct
93 Correct 232 ms 18972 KB Output is correct
94 Correct 214 ms 18972 KB Output is correct
95 Correct 226 ms 19168 KB Output is correct
96 Correct 258 ms 19172 KB Output is correct
97 Correct 257 ms 19028 KB Output is correct
98 Correct 232 ms 19224 KB Output is correct
99 Correct 233 ms 18968 KB Output is correct
100 Correct 229 ms 19272 KB Output is correct
101 Correct 147 ms 19092 KB Output is correct
102 Correct 163 ms 19088 KB Output is correct
103 Correct 175 ms 19036 KB Output is correct
104 Correct 189 ms 19168 KB Output is correct
105 Correct 202 ms 19168 KB Output is correct
106 Correct 238 ms 18976 KB Output is correct
107 Correct 274 ms 19168 KB Output is correct
108 Correct 234 ms 19280 KB Output is correct
109 Correct 249 ms 19164 KB Output is correct
110 Correct 231 ms 19024 KB Output is correct
111 Correct 223 ms 19164 KB Output is correct
112 Correct 190 ms 19000 KB Output is correct
113 Correct 224 ms 19020 KB Output is correct
114 Correct 223 ms 19172 KB Output is correct
115 Correct 152 ms 19168 KB Output is correct
116 Correct 142 ms 19028 KB Output is correct
117 Correct 166 ms 19164 KB Output is correct
118 Correct 164 ms 18972 KB Output is correct
119 Correct 199 ms 19024 KB Output is correct
120 Correct 198 ms 19028 KB Output is correct