Submission #768473

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
768473	2023-06-28T07:48:28 Z	pandapythoner	Strange Device (APIO19_strange_device)	C++14	100 / 100	572 ms	68724 KB

strange_device

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define lll __int128_t
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

lll gcd(lll a, lll b) {
    while (a != 0) {
        b %= a;
        swap(a, b);
    }
    return b;
}

int32_t main() {
    if (1) {
        ios::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
    }
    int n;
    ll A, B;
    cin >> n >> A >> B;
    lll t = (lll)(B) * (A / gcd(A, B + 1));
    vector<pair<ll, int>> f;
    f.reserve(n * 4);
    for (int i = 0; i < n; i += 1) {
        ll l, r;
        cin >> l >> r;
        r += 1;
        if (r - l >= t) {
            f.push_back(make_pair(0, 1));
            f.push_back(make_pair(t, -1));
            continue;
        }
        ll nl = l % t;
        ll nr = r % t;
        if (nl < nr) {
            f.push_back(make_pair(nl, 1));
            f.push_back(make_pair(nr, -1));
            continue;
        }
        f.push_back(make_pair(nl, 1));
        f.push_back(make_pair(t, -1));
        f.push_back(make_pair(0, 1));
        f.push_back(make_pair(nr, -1));
    }
    sort(all(f));
    ll count = 0;
    ll biba = 0;
    for (int i = 0; i + 1 < (int)f.size(); i += 1) {
        biba += f[i].second;
        if (biba > 0) {
            count += f[i + 1].first - f[i].first;
        }
    }
    cout << count << "\n";
    /*
    vector<ll> usd(t, 0);
    for (int i = 0; i < n; i += 1) {
        ll l, r;
        cin >> l >> r;
        for (int j = l; j <= r; j += 1) {
            usd[j % t] = 1;
        }
    }
    ll count = 0;
    for (int j = 0; j < t; j += 1) {
        count += usd[j];
    }
    cout << count << "\n";
    */
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	4 ms	980 KB	Output is correct
3	Correct	5 ms	920 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	316 KB	Output is correct
11	Correct	1 ms	320 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	4 ms	1012 KB	Output is correct
17	Correct	70 ms	7028 KB	Output is correct
18	Correct	1 ms	320 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	0 ms	320 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	324 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	340 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	266 ms	41360 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	436 ms	43948 KB	Output is correct
3	Correct	429 ms	43888 KB	Output is correct
4	Correct	425 ms	43896 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	436 ms	43948 KB	Output is correct
3	Correct	429 ms	43888 KB	Output is correct
4	Correct	425 ms	43896 KB	Output is correct
5	Correct	1 ms	216 KB	Output is correct
6	Correct	433 ms	43984 KB	Output is correct
7	Correct	472 ms	43900 KB	Output is correct
8	Correct	435 ms	43940 KB	Output is correct
9	Correct	507 ms	44056 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	436 ms	43948 KB	Output is correct
3	Correct	429 ms	43888 KB	Output is correct
4	Correct	425 ms	43896 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	47 ms	7128 KB	Output is correct
7	Correct	49 ms	7104 KB	Output is correct
8	Correct	57 ms	7148 KB	Output is correct
9	Correct	43 ms	7152 KB	Output is correct
10	Correct	36 ms	7052 KB	Output is correct
11	Correct	39 ms	7092 KB	Output is correct
12	Correct	38 ms	7108 KB	Output is correct
13	Correct	53 ms	7056 KB	Output is correct
14	Correct	37 ms	7028 KB	Output is correct
15	Correct	46 ms	7112 KB	Output is correct
16	Correct	46 ms	7068 KB	Output is correct
17	Correct	39 ms	7116 KB	Output is correct
18	Correct	417 ms	43888 KB	Output is correct
19	Correct	406 ms	43984 KB	Output is correct
20	Correct	493 ms	43980 KB	Output is correct
21	Correct	45 ms	7032 KB	Output is correct
22	Correct	40 ms	7120 KB	Output is correct
23	Correct	100 ms	23448 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	43 ms	7080 KB	Output is correct
3	Correct	43 ms	7116 KB	Output is correct
4	Correct	566 ms	68608 KB	Output is correct
5	Correct	42 ms	7140 KB	Output is correct
6	Correct	44 ms	7144 KB	Output is correct
7	Correct	49 ms	7140 KB	Output is correct
8	Correct	45 ms	7132 KB	Output is correct
9	Correct	43 ms	7036 KB	Output is correct
10	Correct	53 ms	7048 KB	Output is correct
11	Correct	48 ms	7056 KB	Output is correct
12	Correct	41 ms	7108 KB	Output is correct
13	Correct	55 ms	7052 KB	Output is correct
14	Correct	475 ms	68704 KB	Output is correct
15	Correct	59 ms	7092 KB	Output is correct
16	Correct	395 ms	68724 KB	Output is correct
17	Correct	402 ms	68696 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	4 ms	980 KB	Output is correct
3	Correct	5 ms	920 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	316 KB	Output is correct
11	Correct	1 ms	320 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	4 ms	1012 KB	Output is correct
17	Correct	70 ms	7028 KB	Output is correct
18	Correct	1 ms	320 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	320 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	324 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	266 ms	41360 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	436 ms	43948 KB	Output is correct
31	Correct	429 ms	43888 KB	Output is correct
32	Correct	425 ms	43896 KB	Output is correct
33	Correct	1 ms	216 KB	Output is correct
34	Correct	433 ms	43984 KB	Output is correct
35	Correct	472 ms	43900 KB	Output is correct
36	Correct	435 ms	43940 KB	Output is correct
37	Correct	507 ms	44056 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	47 ms	7128 KB	Output is correct
40	Correct	49 ms	7104 KB	Output is correct
41	Correct	57 ms	7148 KB	Output is correct
42	Correct	43 ms	7152 KB	Output is correct
43	Correct	36 ms	7052 KB	Output is correct
44	Correct	39 ms	7092 KB	Output is correct
45	Correct	38 ms	7108 KB	Output is correct
46	Correct	53 ms	7056 KB	Output is correct
47	Correct	37 ms	7028 KB	Output is correct
48	Correct	46 ms	7112 KB	Output is correct
49	Correct	46 ms	7068 KB	Output is correct
50	Correct	39 ms	7116 KB	Output is correct
51	Correct	417 ms	43888 KB	Output is correct
52	Correct	406 ms	43984 KB	Output is correct
53	Correct	493 ms	43980 KB	Output is correct
54	Correct	45 ms	7032 KB	Output is correct
55	Correct	40 ms	7120 KB	Output is correct
56	Correct	100 ms	23448 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	43 ms	7080 KB	Output is correct
59	Correct	43 ms	7116 KB	Output is correct
60	Correct	566 ms	68608 KB	Output is correct
61	Correct	42 ms	7140 KB	Output is correct
62	Correct	44 ms	7144 KB	Output is correct
63	Correct	49 ms	7140 KB	Output is correct
64	Correct	45 ms	7132 KB	Output is correct
65	Correct	43 ms	7036 KB	Output is correct
66	Correct	53 ms	7048 KB	Output is correct
67	Correct	48 ms	7056 KB	Output is correct
68	Correct	41 ms	7108 KB	Output is correct
69	Correct	55 ms	7052 KB	Output is correct
70	Correct	475 ms	68704 KB	Output is correct
71	Correct	59 ms	7092 KB	Output is correct
72	Correct	395 ms	68724 KB	Output is correct
73	Correct	402 ms	68696 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	0 ms	320 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	1 ms	244 KB	Output is correct
78	Correct	0 ms	212 KB	Output is correct
79	Correct	4 ms	964 KB	Output is correct
80	Correct	541 ms	68708 KB	Output is correct
81	Correct	572 ms	68684 KB	Output is correct
82	Correct	480 ms	68620 KB	Output is correct
83	Correct	480 ms	68720 KB	Output is correct
84	Correct	488 ms	68688 KB	Output is correct
85	Correct	468 ms	68608 KB	Output is correct
86	Correct	103 ms	23372 KB	Output is correct
87	Correct	0 ms	212 KB	Output is correct

Submission #768473

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