Submission #810249

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
810249	2023-08-06T07:32:51 Z	peteza	Strange Device (APIO19_strange_device)	C++14	100 / 100	555 ms	68992 KB

strange_device

#include <bits/stdc++.h>
using namespace std;

int n;
long long a, b, mod;
long long l, r, last=0, sum = 0;
vector<pair<long long, bool>> vec;
int ctr = 0;

int main() {
    cin.tie(0) -> sync_with_stdio(0);
    cin >> n >> a >> b; a /= __gcd(a, b+1);
    if(a >= 4e18/b) mod = 4e18;
    else mod = a*b;
    while(n--) {
        cin >> l >> r;
        if(r-l+1 >= mod) {
            cout << mod;
            return 0;
        }
        l %= mod; r %= mod;
        if(l <= r) vec.emplace_back(l, 0), vec.emplace_back(r+1, 1);
        else vec.emplace_back(l, 0), vec.emplace_back(mod, 1), vec.emplace_back(0, 0), vec.emplace_back(r+1, 1);
    }
    sort(vec.begin(), vec.end());
    for(auto e:vec) {
        sum += min(ctr, 1) * (e.first-last);
        if(e.second) ctr--;
        else ctr++;
        last = e.first;
    }
    cout << sum;
}

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	916 KB	Output is correct
3	Correct	4 ms	1236 KB	Output is correct
4	Correct	0 ms	316 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	220 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	316 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	4 ms	1240 KB	Output is correct
17	Correct	45 ms	7240 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	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	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	372 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	273 ms	35500 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	403 ms	33232 KB	Output is correct
3	Correct	403 ms	33360 KB	Output is correct
4	Correct	403 ms	68872 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	403 ms	33232 KB	Output is correct
3	Correct	403 ms	33360 KB	Output is correct
4	Correct	403 ms	68872 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	403 ms	68808 KB	Output is correct
7	Correct	397 ms	68856 KB	Output is correct
8	Correct	401 ms	68756 KB	Output is correct
9	Correct	466 ms	68856 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	403 ms	33232 KB	Output is correct
3	Correct	403 ms	33360 KB	Output is correct
4	Correct	403 ms	68872 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	38 ms	7264 KB	Output is correct
7	Correct	45 ms	7376 KB	Output is correct
8	Correct	38 ms	7276 KB	Output is correct
9	Correct	38 ms	7224 KB	Output is correct
10	Correct	35 ms	7216 KB	Output is correct
11	Correct	38 ms	7236 KB	Output is correct
12	Correct	36 ms	7228 KB	Output is correct
13	Correct	41 ms	7280 KB	Output is correct
14	Correct	35 ms	7244 KB	Output is correct
15	Correct	45 ms	7216 KB	Output is correct
16	Correct	45 ms	7248 KB	Output is correct
17	Correct	36 ms	7216 KB	Output is correct
18	Correct	411 ms	68744 KB	Output is correct
19	Correct	391 ms	68840 KB	Output is correct
20	Correct	507 ms	68800 KB	Output is correct
21	Correct	45 ms	7288 KB	Output is correct
22	Correct	34 ms	7224 KB	Output is correct
23	Correct	106 ms	26628 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	50 ms	4460 KB	Output is correct
3	Correct	42 ms	7180 KB	Output is correct
4	Correct	543 ms	36960 KB	Output is correct
5	Correct	43 ms	7240 KB	Output is correct
6	Correct	44 ms	7272 KB	Output is correct
7	Correct	42 ms	7252 KB	Output is correct
8	Correct	45 ms	7232 KB	Output is correct
9	Correct	42 ms	7248 KB	Output is correct
10	Correct	47 ms	7244 KB	Output is correct
11	Correct	44 ms	7260 KB	Output is correct
12	Correct	38 ms	7224 KB	Output is correct
13	Correct	51 ms	7232 KB	Output is correct
14	Correct	505 ms	36980 KB	Output is correct
15	Correct	45 ms	7196 KB	Output is correct
16	Correct	378 ms	68828 KB	Output is correct
17	Correct	397 ms	68752 KB	Output is correct
18	Correct	1 ms	316 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	916 KB	Output is correct
3	Correct	4 ms	1236 KB	Output is correct
4	Correct	0 ms	316 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	220 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	316 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	4 ms	1240 KB	Output is correct
17	Correct	45 ms	7240 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 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	372 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	273 ms	35500 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	403 ms	33232 KB	Output is correct
31	Correct	403 ms	33360 KB	Output is correct
32	Correct	403 ms	68872 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	403 ms	68808 KB	Output is correct
35	Correct	397 ms	68856 KB	Output is correct
36	Correct	401 ms	68756 KB	Output is correct
37	Correct	466 ms	68856 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	38 ms	7264 KB	Output is correct
40	Correct	45 ms	7376 KB	Output is correct
41	Correct	38 ms	7276 KB	Output is correct
42	Correct	38 ms	7224 KB	Output is correct
43	Correct	35 ms	7216 KB	Output is correct
44	Correct	38 ms	7236 KB	Output is correct
45	Correct	36 ms	7228 KB	Output is correct
46	Correct	41 ms	7280 KB	Output is correct
47	Correct	35 ms	7244 KB	Output is correct
48	Correct	45 ms	7216 KB	Output is correct
49	Correct	45 ms	7248 KB	Output is correct
50	Correct	36 ms	7216 KB	Output is correct
51	Correct	411 ms	68744 KB	Output is correct
52	Correct	391 ms	68840 KB	Output is correct
53	Correct	507 ms	68800 KB	Output is correct
54	Correct	45 ms	7288 KB	Output is correct
55	Correct	34 ms	7224 KB	Output is correct
56	Correct	106 ms	26628 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	50 ms	4460 KB	Output is correct
59	Correct	42 ms	7180 KB	Output is correct
60	Correct	543 ms	36960 KB	Output is correct
61	Correct	43 ms	7240 KB	Output is correct
62	Correct	44 ms	7272 KB	Output is correct
63	Correct	42 ms	7252 KB	Output is correct
64	Correct	45 ms	7232 KB	Output is correct
65	Correct	42 ms	7248 KB	Output is correct
66	Correct	47 ms	7244 KB	Output is correct
67	Correct	44 ms	7260 KB	Output is correct
68	Correct	38 ms	7224 KB	Output is correct
69	Correct	51 ms	7232 KB	Output is correct
70	Correct	505 ms	36980 KB	Output is correct
71	Correct	45 ms	7196 KB	Output is correct
72	Correct	378 ms	68828 KB	Output is correct
73	Correct	397 ms	68752 KB	Output is correct
74	Correct	1 ms	316 KB	Output is correct
75	Correct	0 ms	212 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	0 ms	316 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	4 ms	1240 KB	Output is correct
80	Correct	554 ms	68824 KB	Output is correct
81	Correct	555 ms	68956 KB	Output is correct
82	Correct	489 ms	68884 KB	Output is correct
83	Correct	471 ms	68992 KB	Output is correct
84	Correct	483 ms	68836 KB	Output is correct
85	Correct	494 ms	68812 KB	Output is correct
86	Correct	122 ms	26712 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #810249

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