Submission #783793

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
783793	2023-07-15T10:17:52 Z	devariaota	Strange Device (APIO19_strange_device)	C++17	100 / 100	726 ms	62944 KB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
#define pii pair<int, int>
#define fi first
#define se second
#define pb push_back
int n, a, b;
vector<pii> range;
bool comp(pii a, pii b) {
    return (a.fi < b.fi || (a.fi == b.fi && a.se < b.se));
}
signed main() {
    ioss;
    // cari cycle (bisa manual, baru cari pola)
    // --- a*b / fpb(a, b+1)
    // hitung segment aktif
    // line sweep
    cin >> n >> a >> b;
    __int128_t cycle = (__int128_t)a*b/(__gcd(a, (b+1)));
    int ans = 0;
    for(int i = 0; i < n; i++) {
        int l, r; cin >> l >> r;
        if((r-l)+1 >= cycle) ans = cycle;

        l %= cycle, r %= cycle;
        if(l <= r) range.pb({l, 1}), range.pb({r, 2});
        else range.pb({l, 1}), range.pb({cycle-1, 2}), range.pb({0, 1}), range.pb({r, 2});
    }
    sort(range.begin(), range.end(), comp);
    
    if(ans == cycle) {
        cout << ans << endl;
        return 0;
    }

    int l = -1, cnt = 0, r = 0;
    for(auto [val, type] : range) {
        if(type == 1) {
            if(l == -1) l = val;
            cnt++;
        }
        else r = val, cnt--;

        if(cnt == 0) ans += (r-l)+1, l = -1;
        // cout << " :: " << l << " " << r << " " << cnt << " " << ans << endl;
    }
    cout << ans << endl;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	5 ms	856 KB	Output is correct
3	Correct	6 ms	1240 KB	Output is correct
4	Correct	0 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 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	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	324 KB	Output is correct
16	Correct	5 ms	1240 KB	Output is correct
17	Correct	62 ms	7180 KB	Output is correct
18	Correct	0 ms	320 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 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	376 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	366 ms	36348 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	585 ms	33236 KB	Output is correct
3	Correct	634 ms	61844 KB	Output is correct
4	Correct	613 ms	57948 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	585 ms	33236 KB	Output is correct
3	Correct	634 ms	61844 KB	Output is correct
4	Correct	613 ms	57948 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	615 ms	58068 KB	Output is correct
7	Correct	583 ms	58040 KB	Output is correct
8	Correct	593 ms	57324 KB	Output is correct
9	Correct	671 ms	57740 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	585 ms	33236 KB	Output is correct
3	Correct	634 ms	61844 KB	Output is correct
4	Correct	613 ms	57948 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	51 ms	7396 KB	Output is correct
7	Correct	56 ms	7288 KB	Output is correct
8	Correct	51 ms	7232 KB	Output is correct
9	Correct	60 ms	7332 KB	Output is correct
10	Correct	46 ms	7256 KB	Output is correct
11	Correct	53 ms	7212 KB	Output is correct
12	Correct	49 ms	7236 KB	Output is correct
13	Correct	62 ms	7292 KB	Output is correct
14	Correct	54 ms	7224 KB	Output is correct
15	Correct	69 ms	7216 KB	Output is correct
16	Correct	59 ms	7216 KB	Output is correct
17	Correct	52 ms	7272 KB	Output is correct
18	Correct	585 ms	57492 KB	Output is correct
19	Correct	529 ms	56960 KB	Output is correct
20	Correct	700 ms	58408 KB	Output is correct
21	Correct	76 ms	7296 KB	Output is correct
22	Correct	44 ms	7196 KB	Output is correct
23	Correct	153 ms	21492 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	61 ms	4544 KB	Output is correct
3	Correct	60 ms	7292 KB	Output is correct
4	Correct	726 ms	62944 KB	Output is correct
5	Correct	61 ms	7208 KB	Output is correct
6	Correct	66 ms	7340 KB	Output is correct
7	Correct	58 ms	7232 KB	Output is correct
8	Correct	61 ms	7292 KB	Output is correct
9	Correct	57 ms	7292 KB	Output is correct
10	Correct	63 ms	7292 KB	Output is correct
11	Correct	58 ms	7228 KB	Output is correct
12	Correct	51 ms	7216 KB	Output is correct
13	Correct	61 ms	7188 KB	Output is correct
14	Correct	652 ms	62944 KB	Output is correct
15	Correct	61 ms	7292 KB	Output is correct
16	Correct	533 ms	58052 KB	Output is correct
17	Correct	568 ms	57224 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	5 ms	856 KB	Output is correct
3	Correct	6 ms	1240 KB	Output is correct
4	Correct	0 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	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 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	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	324 KB	Output is correct
16	Correct	5 ms	1240 KB	Output is correct
17	Correct	62 ms	7180 KB	Output is correct
18	Correct	0 ms	320 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 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	0 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	376 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	366 ms	36348 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	585 ms	33236 KB	Output is correct
31	Correct	634 ms	61844 KB	Output is correct
32	Correct	613 ms	57948 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	615 ms	58068 KB	Output is correct
35	Correct	583 ms	58040 KB	Output is correct
36	Correct	593 ms	57324 KB	Output is correct
37	Correct	671 ms	57740 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	51 ms	7396 KB	Output is correct
40	Correct	56 ms	7288 KB	Output is correct
41	Correct	51 ms	7232 KB	Output is correct
42	Correct	60 ms	7332 KB	Output is correct
43	Correct	46 ms	7256 KB	Output is correct
44	Correct	53 ms	7212 KB	Output is correct
45	Correct	49 ms	7236 KB	Output is correct
46	Correct	62 ms	7292 KB	Output is correct
47	Correct	54 ms	7224 KB	Output is correct
48	Correct	69 ms	7216 KB	Output is correct
49	Correct	59 ms	7216 KB	Output is correct
50	Correct	52 ms	7272 KB	Output is correct
51	Correct	585 ms	57492 KB	Output is correct
52	Correct	529 ms	56960 KB	Output is correct
53	Correct	700 ms	58408 KB	Output is correct
54	Correct	76 ms	7296 KB	Output is correct
55	Correct	44 ms	7196 KB	Output is correct
56	Correct	153 ms	21492 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	61 ms	4544 KB	Output is correct
59	Correct	60 ms	7292 KB	Output is correct
60	Correct	726 ms	62944 KB	Output is correct
61	Correct	61 ms	7208 KB	Output is correct
62	Correct	66 ms	7340 KB	Output is correct
63	Correct	58 ms	7232 KB	Output is correct
64	Correct	61 ms	7292 KB	Output is correct
65	Correct	57 ms	7292 KB	Output is correct
66	Correct	63 ms	7292 KB	Output is correct
67	Correct	58 ms	7228 KB	Output is correct
68	Correct	51 ms	7216 KB	Output is correct
69	Correct	61 ms	7188 KB	Output is correct
70	Correct	652 ms	62944 KB	Output is correct
71	Correct	61 ms	7292 KB	Output is correct
72	Correct	533 ms	58052 KB	Output is correct
73	Correct	568 ms	57224 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	0 ms	212 KB	Output is correct
78	Correct	1 ms	316 KB	Output is correct
79	Correct	5 ms	1288 KB	Output is correct
80	Correct	722 ms	37852 KB	Output is correct
81	Correct	706 ms	37748 KB	Output is correct
82	Correct	649 ms	37672 KB	Output is correct
83	Correct	649 ms	37912 KB	Output is correct
84	Correct	661 ms	37784 KB	Output is correct
85	Correct	661 ms	37688 KB	Output is correct
86	Correct	135 ms	21468 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #783793

Compilation message