Submission #142542

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
142542	2019-08-09T13:36:12 Z	imeimi2000	Strange Device (APIO19_strange_device)	C++17	100 / 100	618 ms	12920 KB

strange_device

#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <cstdlib>
 
using namespace std;
typedef long long llong;
typedef pair<llong, llong> pll;
 
const llong inf = 1e18 + 1;
llong mul(llong x, llong y) {
    llong r = 0;
    while (y) {
        if (x > inf) return inf;
        if (y & 1) r += x;
        if (r > inf) return inf;
        x += x;
        y >>= 1;
    }
    return r;
}
 
llong gcd(llong x, llong y) {
    for (; y; swap(x, y)) x %= y;
    return x;
}
 
set<pll> sp;
void add(llong s, llong e, llong M) {
    if (M <= e - s + 1) {
        printf("%lld\n", M);
        exit(0);
    }
    s %= M;
    e %= M;
    if (e < s) {
        add(s, M - 1, M);
        add(0, e, M);
        return;
    }
    while (1) {
        auto it = sp.lower_bound(pll(e + 2, -1));
        if (it == sp.begin()) break;
        --it;
        if (it->second + 1 < s) break;
        s = min(s, it->first);
        e = max(e, it->second);
        sp.erase(it);
    }
    sp.emplace(s, e);
}
 
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n;
    llong A, B;
    cin >> n >> A >> B;
    llong G = gcd(A, B + 1);
    llong M = mul(A / G, B);
    for (int i = 0; i < n; ++i) {
        llong L, R;
        cin >> L >> R;
        add(L, R, M);
    }
    llong ans = 0;
    for (pll i : sp) ans += i.second - i.first + 1;
    printf("%lld\n", ans);
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	8 ms	760 KB	Output is correct
3	Correct	8 ms	760 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	276 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	348 KB	Output is correct
15	Correct	2 ms	348 KB	Output is correct
16	Correct	9 ms	760 KB	Output is correct
17	Correct	63 ms	808 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	455 ms	3420 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	602 ms	1204 KB	Output is correct
3	Correct	593 ms	824 KB	Output is correct
4	Correct	591 ms	760 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	602 ms	1204 KB	Output is correct
3	Correct	593 ms	824 KB	Output is correct
4	Correct	591 ms	760 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	600 ms	2664 KB	Output is correct
7	Correct	593 ms	2564 KB	Output is correct
8	Correct	600 ms	2556 KB	Output is correct
9	Correct	607 ms	2556 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	602 ms	1204 KB	Output is correct
3	Correct	593 ms	824 KB	Output is correct
4	Correct	591 ms	760 KB	Output is correct
5	Correct	2 ms	292 KB	Output is correct
6	Correct	60 ms	900 KB	Output is correct
7	Correct	63 ms	4096 KB	Output is correct
8	Correct	63 ms	4096 KB	Output is correct
9	Correct	64 ms	4080 KB	Output is correct
10	Correct	63 ms	4060 KB	Output is correct
11	Correct	63 ms	4060 KB	Output is correct
12	Correct	62 ms	4092 KB	Output is correct
13	Correct	63 ms	4076 KB	Output is correct
14	Correct	63 ms	4216 KB	Output is correct
15	Correct	64 ms	4104 KB	Output is correct
16	Correct	64 ms	4092 KB	Output is correct
17	Correct	62 ms	4088 KB	Output is correct
18	Correct	594 ms	2600 KB	Output is correct
19	Correct	600 ms	2680 KB	Output is correct
20	Correct	599 ms	2604 KB	Output is correct
21	Correct	70 ms	4088 KB	Output is correct
22	Correct	63 ms	4088 KB	Output is correct
23	Correct	221 ms	12920 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	64 ms	2936 KB	Output is correct
3	Correct	63 ms	3964 KB	Output is correct
4	Correct	603 ms	2520 KB	Output is correct
5	Correct	66 ms	3712 KB	Output is correct
6	Correct	64 ms	3744 KB	Output is correct
7	Correct	65 ms	3968 KB	Output is correct
8	Correct	66 ms	4092 KB	Output is correct
9	Correct	63 ms	4088 KB	Output is correct
10	Correct	63 ms	4092 KB	Output is correct
11	Correct	63 ms	4216 KB	Output is correct
12	Correct	63 ms	4088 KB	Output is correct
13	Correct	65 ms	4092 KB	Output is correct
14	Correct	618 ms	2652 KB	Output is correct
15	Correct	62 ms	3576 KB	Output is correct
16	Correct	595 ms	2680 KB	Output is correct
17	Correct	600 ms	2680 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	8 ms	760 KB	Output is correct
3	Correct	8 ms	760 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	276 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	348 KB	Output is correct
15	Correct	2 ms	348 KB	Output is correct
16	Correct	9 ms	760 KB	Output is correct
17	Correct	63 ms	808 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	3 ms	376 KB	Output is correct
27	Correct	3 ms	376 KB	Output is correct
28	Correct	455 ms	3420 KB	Output is correct
29	Correct	3 ms	376 KB	Output is correct
30	Correct	602 ms	1204 KB	Output is correct
31	Correct	593 ms	824 KB	Output is correct
32	Correct	591 ms	760 KB	Output is correct
33	Correct	2 ms	380 KB	Output is correct
34	Correct	600 ms	2664 KB	Output is correct
35	Correct	593 ms	2564 KB	Output is correct
36	Correct	600 ms	2556 KB	Output is correct
37	Correct	607 ms	2556 KB	Output is correct
38	Correct	2 ms	292 KB	Output is correct
39	Correct	60 ms	900 KB	Output is correct
40	Correct	63 ms	4096 KB	Output is correct
41	Correct	63 ms	4096 KB	Output is correct
42	Correct	64 ms	4080 KB	Output is correct
43	Correct	63 ms	4060 KB	Output is correct
44	Correct	63 ms	4060 KB	Output is correct
45	Correct	62 ms	4092 KB	Output is correct
46	Correct	63 ms	4076 KB	Output is correct
47	Correct	63 ms	4216 KB	Output is correct
48	Correct	64 ms	4104 KB	Output is correct
49	Correct	64 ms	4092 KB	Output is correct
50	Correct	62 ms	4088 KB	Output is correct
51	Correct	594 ms	2600 KB	Output is correct
52	Correct	600 ms	2680 KB	Output is correct
53	Correct	599 ms	2604 KB	Output is correct
54	Correct	70 ms	4088 KB	Output is correct
55	Correct	63 ms	4088 KB	Output is correct
56	Correct	221 ms	12920 KB	Output is correct
57	Correct	2 ms	376 KB	Output is correct
58	Correct	64 ms	2936 KB	Output is correct
59	Correct	63 ms	3964 KB	Output is correct
60	Correct	603 ms	2520 KB	Output is correct
61	Correct	66 ms	3712 KB	Output is correct
62	Correct	64 ms	3744 KB	Output is correct
63	Correct	65 ms	3968 KB	Output is correct
64	Correct	66 ms	4092 KB	Output is correct
65	Correct	63 ms	4088 KB	Output is correct
66	Correct	63 ms	4092 KB	Output is correct
67	Correct	63 ms	4216 KB	Output is correct
68	Correct	63 ms	4088 KB	Output is correct
69	Correct	65 ms	4092 KB	Output is correct
70	Correct	618 ms	2652 KB	Output is correct
71	Correct	62 ms	3576 KB	Output is correct
72	Correct	595 ms	2680 KB	Output is correct
73	Correct	600 ms	2680 KB	Output is correct
74	Correct	2 ms	376 KB	Output is correct
75	Correct	2 ms	376 KB	Output is correct
76	Correct	3 ms	376 KB	Output is correct
77	Correct	2 ms	376 KB	Output is correct
78	Correct	2 ms	380 KB	Output is correct
79	Correct	9 ms	760 KB	Output is correct
80	Correct	602 ms	2764 KB	Output is correct
81	Correct	610 ms	2716 KB	Output is correct
82	Correct	603 ms	2704 KB	Output is correct
83	Correct	609 ms	2708 KB	Output is correct
84	Correct	600 ms	2808 KB	Output is correct
85	Correct	606 ms	2724 KB	Output is correct
86	Correct	198 ms	6640 KB	Output is correct
87	Correct	2 ms	384 KB	Output is correct

Submission #142542

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