Submission #741871

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
741871	2023-05-15T03:07:41 Z	becaido	Strange Device (APIO19_strange_device)	C++17	100 / 100	474 ms	53404 KB

strange_device

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

const ll INF = 2e18;

int n;
ll a, b, len, ans;
vector<pair<ll, ll>> v;

void solve() {
    cin >> n >> a >> b;
    len = a / gcd(a, b + 1);
    if ((__int128) len * b >= INF) len = INF;
    else len *= b;
    while (n--) {
        ll l, r;
        cin >> l >> r;
        if (r - l + 1 >= len) {
            cout << len << '\n';
            return;
        }
        if (l % len <= r % len) v.pb(l % len, r % len);
        else v.pb(l % len, len - 1), v.pb(0, r % len);
    }
    sort(v.begin(), v.end());
    ll R = -1;
    for (auto [l, r] : v) {
        if (l > R) R = l;
        if (r >= R) {
            ans += r - R + 1;
            R = r + 1;
        }
    }
    cout << ans << '\n';
}

int main() {
    Waimai;
    solve();
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	6 ms	692 KB	Output is correct
3	Correct	5 ms	600 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 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	1 ms	212 KB	Output is correct
16	Correct	6 ms	684 KB	Output is correct
17	Correct	42 ms	2488 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	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	310 ms	16776 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	379 ms	16768 KB	Output is correct
3	Correct	430 ms	16848 KB	Output is correct
4	Correct	423 ms	53264 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	379 ms	16768 KB	Output is correct
3	Correct	430 ms	16848 KB	Output is correct
4	Correct	423 ms	53264 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	404 ms	53400 KB	Output is correct
7	Correct	400 ms	53204 KB	Output is correct
8	Correct	422 ms	53236 KB	Output is correct
9	Correct	436 ms	53300 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	379 ms	16768 KB	Output is correct
3	Correct	430 ms	16848 KB	Output is correct
4	Correct	423 ms	53264 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	39 ms	5696 KB	Output is correct
7	Correct	43 ms	5708 KB	Output is correct
8	Correct	41 ms	5708 KB	Output is correct
9	Correct	40 ms	5696 KB	Output is correct
10	Correct	42 ms	5652 KB	Output is correct
11	Correct	53 ms	5832 KB	Output is correct
12	Correct	39 ms	5664 KB	Output is correct
13	Correct	40 ms	5728 KB	Output is correct
14	Correct	37 ms	5704 KB	Output is correct
15	Correct	43 ms	5680 KB	Output is correct
16	Correct	43 ms	5632 KB	Output is correct
17	Correct	42 ms	5736 KB	Output is correct
18	Correct	415 ms	53204 KB	Output is correct
19	Correct	393 ms	53292 KB	Output is correct
20	Correct	431 ms	53212 KB	Output is correct
21	Correct	43 ms	5624 KB	Output is correct
22	Correct	38 ms	5700 KB	Output is correct
23	Correct	120 ms	18480 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	40 ms	2512 KB	Output is correct
3	Correct	39 ms	2512 KB	Output is correct
4	Correct	474 ms	35812 KB	Output is correct
5	Correct	40 ms	5692 KB	Output is correct
6	Correct	43 ms	5828 KB	Output is correct
7	Correct	43 ms	5672 KB	Output is correct
8	Correct	42 ms	5608 KB	Output is correct
9	Correct	41 ms	5700 KB	Output is correct
10	Correct	40 ms	5608 KB	Output is correct
11	Correct	40 ms	5692 KB	Output is correct
12	Correct	35 ms	5620 KB	Output is correct
13	Correct	57 ms	5624 KB	Output is correct
14	Correct	442 ms	35748 KB	Output is correct
15	Correct	44 ms	5708 KB	Output is correct
16	Correct	401 ms	53240 KB	Output is correct
17	Correct	405 ms	53272 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	1 ms	212 KB	Output is correct
2	Correct	6 ms	692 KB	Output is correct
3	Correct	5 ms	600 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 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	1 ms	212 KB	Output is correct
16	Correct	6 ms	684 KB	Output is correct
17	Correct	42 ms	2488 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	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	310 ms	16776 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	379 ms	16768 KB	Output is correct
31	Correct	430 ms	16848 KB	Output is correct
32	Correct	423 ms	53264 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	404 ms	53400 KB	Output is correct
35	Correct	400 ms	53204 KB	Output is correct
36	Correct	422 ms	53236 KB	Output is correct
37	Correct	436 ms	53300 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	39 ms	5696 KB	Output is correct
40	Correct	43 ms	5708 KB	Output is correct
41	Correct	41 ms	5708 KB	Output is correct
42	Correct	40 ms	5696 KB	Output is correct
43	Correct	42 ms	5652 KB	Output is correct
44	Correct	53 ms	5832 KB	Output is correct
45	Correct	39 ms	5664 KB	Output is correct
46	Correct	40 ms	5728 KB	Output is correct
47	Correct	37 ms	5704 KB	Output is correct
48	Correct	43 ms	5680 KB	Output is correct
49	Correct	43 ms	5632 KB	Output is correct
50	Correct	42 ms	5736 KB	Output is correct
51	Correct	415 ms	53204 KB	Output is correct
52	Correct	393 ms	53292 KB	Output is correct
53	Correct	431 ms	53212 KB	Output is correct
54	Correct	43 ms	5624 KB	Output is correct
55	Correct	38 ms	5700 KB	Output is correct
56	Correct	120 ms	18480 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	40 ms	2512 KB	Output is correct
59	Correct	39 ms	2512 KB	Output is correct
60	Correct	474 ms	35812 KB	Output is correct
61	Correct	40 ms	5692 KB	Output is correct
62	Correct	43 ms	5828 KB	Output is correct
63	Correct	43 ms	5672 KB	Output is correct
64	Correct	42 ms	5608 KB	Output is correct
65	Correct	41 ms	5700 KB	Output is correct
66	Correct	40 ms	5608 KB	Output is correct
67	Correct	40 ms	5692 KB	Output is correct
68	Correct	35 ms	5620 KB	Output is correct
69	Correct	57 ms	5624 KB	Output is correct
70	Correct	442 ms	35748 KB	Output is correct
71	Correct	44 ms	5708 KB	Output is correct
72	Correct	401 ms	53240 KB	Output is correct
73	Correct	405 ms	53272 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	1 ms	212 KB	Output is correct
78	Correct	0 ms	212 KB	Output is correct
79	Correct	4 ms	976 KB	Output is correct
80	Correct	445 ms	53220 KB	Output is correct
81	Correct	453 ms	53380 KB	Output is correct
82	Correct	420 ms	53208 KB	Output is correct
83	Correct	436 ms	53292 KB	Output is correct
84	Correct	439 ms	53404 KB	Output is correct
85	Correct	441 ms	53272 KB	Output is correct
86	Correct	121 ms	18480 KB	Output is correct
87	Correct	0 ms	212 KB	Output is correct

Submission #741871

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