Submission #587767

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
587767	2022-07-02T10:51:33 Z	stevancv	Strange Device (APIO19_strange_device)	C++14	100 / 100	836 ms	100072 KB

strange_device

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int q;
    ll a, b;
    cin >> q >> a >> b;
    ll p = (a / __gcd(a, b + 1)) * b;
    if (p <= 0) p = 2e18;
    set<pair<ll, ll>> s;
    function<void(ll, ll)> Add = [&] (ll l, ll r) {
        auto it = s.lower_bound({l, 0});
        ll mn = 2e18; ll mx = -1;
        while (it != s.end() && (*it).second <= r) {
            smin(mn, (*it).second);
            smax(mx, (*it).first);
            it = s.erase(it);
        }
        smin(mn, l);
        smax(mx, r);
        s.insert({mx, mn});
    };
    while (q--) {
        ll l, r;
        cin >> l >> r;
        if (r - l + 1 >= p) {Add(0, p - 1); continue;}
        l %= p;
        r %= p;
        if (l > r) {Add(l, p - 1); Add(0, r);}
        else Add(l, r);
    }
    ll ans = 0;
    for (auto u : s) {
        ans += u.first - u.second + 1;
    }
    cout << ans << en;
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	6 ms	1264 KB	Output is correct
3	Correct	6 ms	1236 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	320 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	8 ms	1192 KB	Output is correct
17	Correct	62 ms	6892 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	448 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	372 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	277 ms	316 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	618 ms	62888 KB	Output is correct
3	Correct	650 ms	62860 KB	Output is correct
4	Correct	664 ms	62868 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	618 ms	62888 KB	Output is correct
3	Correct	650 ms	62860 KB	Output is correct
4	Correct	664 ms	62868 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	637 ms	62960 KB	Output is correct
7	Correct	640 ms	63156 KB	Output is correct
8	Correct	641 ms	63124 KB	Output is correct
9	Correct	714 ms	62944 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	618 ms	62888 KB	Output is correct
3	Correct	650 ms	62860 KB	Output is correct
4	Correct	664 ms	62868 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	52 ms	6880 KB	Output is correct
7	Correct	53 ms	6856 KB	Output is correct
8	Correct	56 ms	6964 KB	Output is correct
9	Correct	63 ms	6920 KB	Output is correct
10	Correct	52 ms	6912 KB	Output is correct
11	Correct	53 ms	6808 KB	Output is correct
12	Correct	55 ms	6856 KB	Output is correct
13	Correct	62 ms	6940 KB	Output is correct
14	Correct	52 ms	6860 KB	Output is correct
15	Correct	70 ms	6876 KB	Output is correct
16	Correct	66 ms	6844 KB	Output is correct
17	Correct	60 ms	6824 KB	Output is correct
18	Correct	615 ms	62988 KB	Output is correct
19	Correct	669 ms	63528 KB	Output is correct
20	Correct	690 ms	62960 KB	Output is correct
21	Correct	57 ms	6888 KB	Output is correct
22	Correct	59 ms	6888 KB	Output is correct
23	Correct	117 ms	684 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	69 ms	7628 KB	Output is correct
3	Correct	70 ms	7620 KB	Output is correct
4	Correct	683 ms	63052 KB	Output is correct
5	Correct	66 ms	7512 KB	Output is correct
6	Correct	68 ms	7628 KB	Output is correct
7	Correct	80 ms	7616 KB	Output is correct
8	Correct	68 ms	7640 KB	Output is correct
9	Correct	64 ms	7628 KB	Output is correct
10	Correct	57 ms	6864 KB	Output is correct
11	Correct	60 ms	6836 KB	Output is correct
12	Correct	59 ms	7620 KB	Output is correct
13	Correct	72 ms	7884 KB	Output is correct
14	Correct	727 ms	62908 KB	Output is correct
15	Correct	57 ms	7116 KB	Output is correct
16	Correct	624 ms	62956 KB	Output is correct
17	Correct	608 ms	63012 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	6 ms	1264 KB	Output is correct
3	Correct	6 ms	1236 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	320 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	8 ms	1192 KB	Output is correct
17	Correct	62 ms	6892 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	448 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	372 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	277 ms	316 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	618 ms	62888 KB	Output is correct
31	Correct	650 ms	62860 KB	Output is correct
32	Correct	664 ms	62868 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	637 ms	62960 KB	Output is correct
35	Correct	640 ms	63156 KB	Output is correct
36	Correct	641 ms	63124 KB	Output is correct
37	Correct	714 ms	62944 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	52 ms	6880 KB	Output is correct
40	Correct	53 ms	6856 KB	Output is correct
41	Correct	56 ms	6964 KB	Output is correct
42	Correct	63 ms	6920 KB	Output is correct
43	Correct	52 ms	6912 KB	Output is correct
44	Correct	53 ms	6808 KB	Output is correct
45	Correct	55 ms	6856 KB	Output is correct
46	Correct	62 ms	6940 KB	Output is correct
47	Correct	52 ms	6860 KB	Output is correct
48	Correct	70 ms	6876 KB	Output is correct
49	Correct	66 ms	6844 KB	Output is correct
50	Correct	60 ms	6824 KB	Output is correct
51	Correct	615 ms	62988 KB	Output is correct
52	Correct	669 ms	63528 KB	Output is correct
53	Correct	690 ms	62960 KB	Output is correct
54	Correct	57 ms	6888 KB	Output is correct
55	Correct	59 ms	6888 KB	Output is correct
56	Correct	117 ms	684 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	69 ms	7628 KB	Output is correct
59	Correct	70 ms	7620 KB	Output is correct
60	Correct	683 ms	63052 KB	Output is correct
61	Correct	66 ms	7512 KB	Output is correct
62	Correct	68 ms	7628 KB	Output is correct
63	Correct	80 ms	7616 KB	Output is correct
64	Correct	68 ms	7640 KB	Output is correct
65	Correct	64 ms	7628 KB	Output is correct
66	Correct	57 ms	6864 KB	Output is correct
67	Correct	60 ms	6836 KB	Output is correct
68	Correct	59 ms	7620 KB	Output is correct
69	Correct	72 ms	7884 KB	Output is correct
70	Correct	727 ms	62908 KB	Output is correct
71	Correct	57 ms	7116 KB	Output is correct
72	Correct	624 ms	62956 KB	Output is correct
73	Correct	608 ms	63012 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	1 ms	212 KB	Output is correct
77	Correct	1 ms	320 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	6 ms	1236 KB	Output is correct
80	Correct	764 ms	100072 KB	Output is correct
81	Correct	717 ms	100028 KB	Output is correct
82	Correct	836 ms	100000 KB	Output is correct
83	Correct	751 ms	99968 KB	Output is correct
84	Correct	765 ms	99896 KB	Output is correct
85	Correct	705 ms	99924 KB	Output is correct
86	Correct	122 ms	12840 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #587767

Compilation message