Submission #443239

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
443239	2021-07-10T08:21:49 Z	Lam_lai_cuoc_doi	Strange Device (APIO19_strange_device)	C++17	100 / 100	589 ms	53416 KB

strange_device

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

constexpr bool typetest = 0;
constexpr int N = 1e6 + 5;
constexpr ll Inf = 1e18 + 7;
int n;
ll A, B;
vector<pair<ll, ll>> s;

void Read()
{
    cin >> n >> A >> B;
    // A * B / gcd(A, B + 1)
    A /= __gcd(A, B + 1);
    if (A <= Inf / B)
        A *= B;
    else
        A = Inf;

    for (int i = 1; i <= n; ++i)
    {
        ll l, r;
        cin >> l >> r;
        if (r - l + 1 >= A)
            tie(l, r) = make_tuple(0, A - 1);
        else
        {
            l %= A;
            r %= A;
        }

        if (l <= r)
            s.emplace_back(l, r);
        else
        {
            s.emplace_back(l, A - 1);
            s.emplace_back(0, r);
        }
    }
}

void Solve()
{
    sort(s.begin(), s.end());
    ll leftest(0);

    ll ans(0);

    for (auto i : s)
    {
        leftest = max(leftest, i.first);
        ans += max(0ll, i.second - leftest + 1);
        leftest = max(leftest, i.second + 1);
    }

    cout << ans;
}

int32_t main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t(1);
    if (typetest)
        cin >> t;
    for (int _ = 1; _ <= t; ++_)
    {
        Read();
        Solve();
    }
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	5 ms	976 KB	Output is correct
3	Correct	6 ms	976 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	304 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	6 ms	976 KB	Output is correct
17	Correct	55 ms	5696 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	316 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	359 ms	41304 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	534 ms	53232 KB	Output is correct
3	Correct	536 ms	53180 KB	Output is correct
4	Correct	517 ms	53272 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	534 ms	53232 KB	Output is correct
3	Correct	536 ms	53180 KB	Output is correct
4	Correct	517 ms	53272 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	510 ms	53272 KB	Output is correct
7	Correct	496 ms	53264 KB	Output is correct
8	Correct	492 ms	53216 KB	Output is correct
9	Correct	557 ms	53296 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	534 ms	53232 KB	Output is correct
3	Correct	536 ms	53180 KB	Output is correct
4	Correct	517 ms	53272 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	50 ms	5692 KB	Output is correct
7	Correct	51 ms	5644 KB	Output is correct
8	Correct	51 ms	5684 KB	Output is correct
9	Correct	51 ms	5692 KB	Output is correct
10	Correct	50 ms	5716 KB	Output is correct
11	Correct	52 ms	5668 KB	Output is correct
12	Correct	47 ms	5644 KB	Output is correct
13	Correct	51 ms	5640 KB	Output is correct
14	Correct	47 ms	5688 KB	Output is correct
15	Correct	54 ms	5664 KB	Output is correct
16	Correct	54 ms	5664 KB	Output is correct
17	Correct	50 ms	5680 KB	Output is correct
18	Correct	515 ms	53280 KB	Output is correct
19	Correct	493 ms	53336 KB	Output is correct
20	Correct	548 ms	53264 KB	Output is correct
21	Correct	53 ms	5688 KB	Output is correct
22	Correct	46 ms	5672 KB	Output is correct
23	Correct	153 ms	18408 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	52 ms	5692 KB	Output is correct
3	Correct	56 ms	5772 KB	Output is correct
4	Correct	589 ms	53192 KB	Output is correct
5	Correct	52 ms	5688 KB	Output is correct
6	Correct	51 ms	5664 KB	Output is correct
7	Correct	52 ms	5740 KB	Output is correct
8	Correct	54 ms	5600 KB	Output is correct
9	Correct	52 ms	5684 KB	Output is correct
10	Correct	54 ms	5728 KB	Output is correct
11	Correct	53 ms	5608 KB	Output is correct
12	Correct	46 ms	5704 KB	Output is correct
13	Correct	53 ms	5648 KB	Output is correct
14	Correct	547 ms	53264 KB	Output is correct
15	Correct	52 ms	5632 KB	Output is correct
16	Correct	500 ms	53416 KB	Output is correct
17	Correct	489 ms	53220 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	5 ms	976 KB	Output is correct
3	Correct	6 ms	976 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	304 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	6 ms	976 KB	Output is correct
17	Correct	55 ms	5696 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	316 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	324 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	359 ms	41304 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	534 ms	53232 KB	Output is correct
31	Correct	536 ms	53180 KB	Output is correct
32	Correct	517 ms	53272 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	510 ms	53272 KB	Output is correct
35	Correct	496 ms	53264 KB	Output is correct
36	Correct	492 ms	53216 KB	Output is correct
37	Correct	557 ms	53296 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	50 ms	5692 KB	Output is correct
40	Correct	51 ms	5644 KB	Output is correct
41	Correct	51 ms	5684 KB	Output is correct
42	Correct	51 ms	5692 KB	Output is correct
43	Correct	50 ms	5716 KB	Output is correct
44	Correct	52 ms	5668 KB	Output is correct
45	Correct	47 ms	5644 KB	Output is correct
46	Correct	51 ms	5640 KB	Output is correct
47	Correct	47 ms	5688 KB	Output is correct
48	Correct	54 ms	5664 KB	Output is correct
49	Correct	54 ms	5664 KB	Output is correct
50	Correct	50 ms	5680 KB	Output is correct
51	Correct	515 ms	53280 KB	Output is correct
52	Correct	493 ms	53336 KB	Output is correct
53	Correct	548 ms	53264 KB	Output is correct
54	Correct	53 ms	5688 KB	Output is correct
55	Correct	46 ms	5672 KB	Output is correct
56	Correct	153 ms	18408 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	52 ms	5692 KB	Output is correct
59	Correct	56 ms	5772 KB	Output is correct
60	Correct	589 ms	53192 KB	Output is correct
61	Correct	52 ms	5688 KB	Output is correct
62	Correct	51 ms	5664 KB	Output is correct
63	Correct	52 ms	5740 KB	Output is correct
64	Correct	54 ms	5600 KB	Output is correct
65	Correct	52 ms	5684 KB	Output is correct
66	Correct	54 ms	5728 KB	Output is correct
67	Correct	53 ms	5608 KB	Output is correct
68	Correct	46 ms	5704 KB	Output is correct
69	Correct	53 ms	5648 KB	Output is correct
70	Correct	547 ms	53264 KB	Output is correct
71	Correct	52 ms	5632 KB	Output is correct
72	Correct	500 ms	53416 KB	Output is correct
73	Correct	489 ms	53220 KB	Output is correct
74	Correct	1 ms	204 KB	Output is correct
75	Correct	0 ms	204 KB	Output is correct
76	Correct	1 ms	204 KB	Output is correct
77	Correct	0 ms	204 KB	Output is correct
78	Correct	1 ms	204 KB	Output is correct
79	Correct	6 ms	976 KB	Output is correct
80	Correct	574 ms	53264 KB	Output is correct
81	Correct	573 ms	53192 KB	Output is correct
82	Correct	548 ms	53308 KB	Output is correct
83	Correct	548 ms	53340 KB	Output is correct
84	Correct	543 ms	53228 KB	Output is correct
85	Correct	529 ms	53264 KB	Output is correct
86	Correct	152 ms	18400 KB	Output is correct
87	Correct	1 ms	204 KB	Output is correct

Submission #443239

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