oj.uz

Submission #551180

# Submission time Handle Problem Language Result Execution time Memory
551180 2022-04-20T04:10:01 Z tht2005 Financial Report (JOI21_financial) C++17
100 / 100
 301 ms 17328 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 300005;

struct sgt {
    int st[N << 2];
    sgt() {
        memset(st, 0, sizeof(st));
    }
    void build(int x, int l, int r, int* a) {
        if(l == r) {
            st[x] = a[l];
        }
        else {
            int m = (l + r) >> 1;
            build(x << 1, l, m, a);
            build(x << 1 | 1, m + 1, r, a);
            st[x] = max(st[x << 1], st[x << 1 | 1]);
        }
    }
    void update(int x, int l, int r, int i, int d) {
        if(l == r) {
            if(st[x] < d) {
                st[x] = d;
            }
        }
        else {
            int m = (l + r) >> 1;
            if(i > m) update(x << 1 | 1, m + 1, r, i, d);
            else update(x << 1, l, m, i, d);
            st[x] = max(st[x << 1], st[x << 1 | 1]);
        }
    }
    int query(int x, int l, int r, int ql, int qr) {
        if(r < ql || qr < l) return 0;
        if(ql <= l && r <= qr) return st[x];
        int m = (l + r) >> 1;
        return max(query(x << 1, l, m, ql, qr), query(x << 1 | 1, m + 1, r, ql, qr));
    }
    int bs(int x, int l, int r, int ql, int qr, int d) {
        if(r < ql || qr < l || st[x] < d) return 0;
        if(l == r) return l;
        int m = (l + r) >> 1;
        if(ql <= l && r <= qr) {
            if(st[x << 1 | 1] >= d) return bs(x << 1 | 1, m + 1, r, ql, qr, d);
            return bs(x << 1, l, m, ql, qr, d);
        }
        int _ = bs(x << 1 | 1, m + 1, r, ql, qr, d);
        return _ ? _ : bs(x << 1, l, m, ql, qr, d);
    }
} f, g;

int n, d, a[N], b[N], idx[N];
deque<int> _;

int main() {
    scanf("%d %d", &n, &d);
    for(int i = 0; i < n; ++i) {
        scanf("%d", a + i);
    }
    for(int i = 0; i < n; ++i) {
        while(!_.empty() && a[i] < _.back()) _.pop_back();
        _.push_back(a[i]);
        if(i + 1 >= d) {
            b[i - d + 1] = _.front();
            if(_.front() == a[i - d + 1]) _.pop_front();
        }
    }
    for(int i = n - d + 1; i < n; ++i) {
        b[i] = 2e9;
    }
    g.build(1, 0, n - 1, b);
    iota(idx, idx + n, 0);
    sort(idx, idx + n, [&](int i, int j) {
        if(a[i] != a[j]) return a[i] < a[j];
        return i > j;
    });
    for(int x = 0; x < n; ++x) {
        int i = idx[x], L = (i < d) ? 0 : g.bs(1, 0, n - 1, 0, i - d, a[i]);
        f.update(1, 0, n - 1, i, (i ? f.query(1, 0, n - 1, L, i - 1) : 0) + 1);
    }
    printf("%d", f.st[1]);
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:59:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |     scanf("%d %d", &n, &d);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:61:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         scanf("%d", a + i);
      |         ~~~~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9732 KB Output is correct
2 Correct 6 ms 9704 KB Output is correct
3 Correct 6 ms 9728 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9700 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 5 ms 9704 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9696 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 6 ms 9704 KB Output is correct
16 Correct 4 ms 9704 KB Output is correct
17 Correct 4 ms 9688 KB Output is correct
18 Correct 5 ms 9704 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 6 ms 9712 KB Output is correct
21 Correct 5 ms 9708 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9596 KB Output is correct
25 Correct 4 ms 9644 KB Output is correct
26 Correct 5 ms 9640 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9732 KB Output is correct
2 Correct 6 ms 9704 KB Output is correct
3 Correct 6 ms 9728 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9700 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 5 ms 9704 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9696 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 6 ms 9704 KB Output is correct
16 Correct 4 ms 9704 KB Output is correct
17 Correct 4 ms 9688 KB Output is correct
18 Correct 5 ms 9704 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 6 ms 9712 KB Output is correct
21 Correct 5 ms 9708 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9596 KB Output is correct
25 Correct 4 ms 9644 KB Output is correct
26 Correct 5 ms 9640 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9704 KB Output is correct
30 Correct 6 ms 9684 KB Output is correct
31 Correct 6 ms 9700 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9700 KB Output is correct
34 Correct 6 ms 9624 KB Output is correct
35 Correct 6 ms 9684 KB Output is correct
36 Correct 6 ms 9636 KB Output is correct
37 Correct 5 ms 9640 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 5 ms 9648 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9732 KB Output is correct
2 Correct 6 ms 9704 KB Output is correct
3 Correct 6 ms 9728 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9700 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 5 ms 9704 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9696 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 6 ms 9704 KB Output is correct
16 Correct 4 ms 9704 KB Output is correct
17 Correct 4 ms 9688 KB Output is correct
18 Correct 5 ms 9704 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 6 ms 9712 KB Output is correct
21 Correct 5 ms 9708 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9596 KB Output is correct
25 Correct 4 ms 9644 KB Output is correct
26 Correct 5 ms 9640 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9704 KB Output is correct
30 Correct 6 ms 9684 KB Output is correct
31 Correct 6 ms 9700 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9700 KB Output is correct
34 Correct 6 ms 9624 KB Output is correct
35 Correct 6 ms 9684 KB Output is correct
36 Correct 6 ms 9636 KB Output is correct
37 Correct 5 ms 9640 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 5 ms 9648 KB Output is correct
41 Correct 8 ms 9836 KB Output is correct
42 Correct 8 ms 9776 KB Output is correct
43 Correct 8 ms 9832 KB Output is correct
44 Correct 8 ms 9812 KB Output is correct
45 Correct 8 ms 9844 KB Output is correct
46 Correct 8 ms 9768 KB Output is correct
47 Correct 9 ms 9840 KB Output is correct
48 Correct 9 ms 9732 KB Output is correct
49 Correct 8 ms 9812 KB Output is correct
50 Correct 7 ms 9812 KB Output is correct
51 Correct 8 ms 9940 KB Output is correct
52 Correct 9 ms 9844 KB Output is correct
53 Correct 6 ms 9812 KB Output is correct
54 Correct 8 ms 9812 KB Output is correct
55 Correct 8 ms 9840 KB Output is correct
56 Correct 7 ms 9844 KB Output is correct
57 Correct 9 ms 9812 KB Output is correct
58 Correct 6 ms 9840 KB Output is correct
59 Correct 9 ms 9812 KB Output is correct
60 Correct 7 ms 9768 KB Output is correct
61 Correct 7 ms 9812 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 133 ms 13476 KB Output is correct
2 Correct 181 ms 13424 KB Output is correct
3 Correct 257 ms 13468 KB Output is correct
4 Correct 301 ms 13464 KB Output is correct
5 Correct 219 ms 13388 KB Output is correct
6 Correct 288 ms 13488 KB Output is correct
7 Correct 137 ms 13432 KB Output is correct
8 Correct 131 ms 16124 KB Output is correct
9 Correct 157 ms 16072 KB Output is correct
10 Correct 155 ms 16104 KB Output is correct
11 Correct 202 ms 16104 KB Output is correct
12 Correct 232 ms 16100 KB Output is correct
13 Correct 268 ms 16224 KB Output is correct
14 Correct 235 ms 16104 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 14784 KB Output is correct
2 Correct 167 ms 16076 KB Output is correct
3 Correct 160 ms 16044 KB Output is correct
4 Correct 197 ms 16096 KB Output is correct
5 Correct 148 ms 16112 KB Output is correct
6 Correct 165 ms 15992 KB Output is correct
7 Correct 124 ms 17328 KB Output is correct
8 Correct 98 ms 16204 KB Output is correct
9 Correct 122 ms 16248 KB Output is correct
10 Correct 181 ms 16092 KB Output is correct
11 Correct 157 ms 16100 KB Output is correct
12 Correct 151 ms 16076 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9732 KB Output is correct
2 Correct 6 ms 9704 KB Output is correct
3 Correct 6 ms 9728 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9700 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 5 ms 9704 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9696 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 6 ms 9704 KB Output is correct
16 Correct 4 ms 9704 KB Output is correct
17 Correct 4 ms 9688 KB Output is correct
18 Correct 5 ms 9704 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 6 ms 9712 KB Output is correct
21 Correct 5 ms 9708 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9596 KB Output is correct
25 Correct 4 ms 9644 KB Output is correct
26 Correct 5 ms 9640 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9704 KB Output is correct
30 Correct 6 ms 9684 KB Output is correct
31 Correct 6 ms 9700 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9700 KB Output is correct
34 Correct 6 ms 9624 KB Output is correct
35 Correct 6 ms 9684 KB Output is correct
36 Correct 6 ms 9636 KB Output is correct
37 Correct 5 ms 9640 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 5 ms 9648 KB Output is correct
41 Correct 8 ms 9836 KB Output is correct
42 Correct 8 ms 9776 KB Output is correct
43 Correct 8 ms 9832 KB Output is correct
44 Correct 8 ms 9812 KB Output is correct
45 Correct 8 ms 9844 KB Output is correct
46 Correct 8 ms 9768 KB Output is correct
47 Correct 9 ms 9840 KB Output is correct
48 Correct 9 ms 9732 KB Output is correct
49 Correct 8 ms 9812 KB Output is correct
50 Correct 7 ms 9812 KB Output is correct
51 Correct 8 ms 9940 KB Output is correct
52 Correct 9 ms 9844 KB Output is correct
53 Correct 6 ms 9812 KB Output is correct
54 Correct 8 ms 9812 KB Output is correct
55 Correct 8 ms 9840 KB Output is correct
56 Correct 7 ms 9844 KB Output is correct
57 Correct 9 ms 9812 KB Output is correct
58 Correct 6 ms 9840 KB Output is correct
59 Correct 9 ms 9812 KB Output is correct
60 Correct 7 ms 9768 KB Output is correct
61 Correct 7 ms 9812 KB Output is correct
62 Correct 133 ms 13476 KB Output is correct
63 Correct 181 ms 13424 KB Output is correct
64 Correct 257 ms 13468 KB Output is correct
65 Correct 301 ms 13464 KB Output is correct
66 Correct 219 ms 13388 KB Output is correct
67 Correct 288 ms 13488 KB Output is correct
68 Correct 137 ms 13432 KB Output is correct
69 Correct 131 ms 16124 KB Output is correct
70 Correct 157 ms 16072 KB Output is correct
71 Correct 155 ms 16104 KB Output is correct
72 Correct 202 ms 16104 KB Output is correct
73 Correct 232 ms 16100 KB Output is correct
74 Correct 268 ms 16224 KB Output is correct
75 Correct 235 ms 16104 KB Output is correct
76 Correct 116 ms 14784 KB Output is correct
77 Correct 167 ms 16076 KB Output is correct
78 Correct 160 ms 16044 KB Output is correct
79 Correct 197 ms 16096 KB Output is correct
80 Correct 148 ms 16112 KB Output is correct
81 Correct 165 ms 15992 KB Output is correct
82 Correct 124 ms 17328 KB Output is correct
83 Correct 98 ms 16204 KB Output is correct
84 Correct 122 ms 16248 KB Output is correct
85 Correct 181 ms 16092 KB Output is correct
86 Correct 157 ms 16100 KB Output is correct
87 Correct 151 ms 16076 KB Output is correct
88 Correct 298 ms 16100 KB Output is correct
89 Correct 284 ms 16128 KB Output is correct
90 Correct 271 ms 16076 KB Output is correct
91 Correct 174 ms 16104 KB Output is correct
92 Correct 149 ms 16104 KB Output is correct
93 Correct 234 ms 16104 KB Output is correct
94 Correct 159 ms 16100 KB Output is correct
95 Correct 282 ms 16048 KB Output is correct
96 Correct 216 ms 15996 KB Output is correct
97 Correct 205 ms 16048 KB Output is correct
98 Correct 201 ms 16012 KB Output is correct
99 Correct 176 ms 16092 KB Output is correct
100 Correct 172 ms 16100 KB Output is correct
101 Correct 161 ms 16104 KB Output is correct
102 Correct 135 ms 16152 KB Output is correct
103 Correct 136 ms 16108 KB Output is correct
104 Correct 161 ms 16180 KB Output is correct
105 Correct 151 ms 16076 KB Output is correct
106 Correct 174 ms 16104 KB Output is correct
107 Correct 190 ms 16100 KB Output is correct
108 Correct 180 ms 16196 KB Output is correct
109 Correct 189 ms 16108 KB Output is correct
110 Correct 206 ms 16008 KB Output is correct
111 Correct 176 ms 16148 KB Output is correct
112 Correct 163 ms 16072 KB Output is correct
113 Correct 171 ms 16100 KB Output is correct
114 Correct 168 ms 16000 KB Output is correct
115 Correct 102 ms 16076 KB Output is correct
116 Correct 95 ms 16104 KB Output is correct
117 Correct 123 ms 16100 KB Output is correct
118 Correct 151 ms 16104 KB Output is correct
119 Correct 162 ms 16096 KB Output is correct
120 Correct 139 ms 16096 KB Output is correct