Submission #782392

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
782392	2023-07-13T23:03:27 Z	kebine	Strange Device (APIO19_strange_device)	C++17	100 / 100	393 ms	41204 KB

strange_device

#include<bits/stdc++.h>
#define int long long
#define pii pair<int, int>
using namespace std;
const int MAX=1e18;
signed main() {
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int n, a, b; cin >> n >> a >> b;
  int mod;
  if(a/__gcd(a, b+1)>(MAX+b-1)/b) mod=MAX+1;
  else mod=a/__gcd(a, b+1)*b;
  priority_queue<pii, vector<pii>, greater<pii>> to_ans;
  int ans=0;
  while(n--) {
    int l, r; cin >> l >> r;
    if((l+mod-1)/mod*mod+mod-1<=r) {cout << mod << '\n'; return 0;}
    else if((l+mod-1)/mod*mod<=r && l%mod) to_ans.push({l%mod, mod-1}), to_ans.push({0, r%mod});
    else to_ans.push({l%mod, r%mod});
    }
    while(!to_ans.empty()) {
      int l=to_ans.top().first, r=to_ans.top().second;
      to_ans.pop();
      while(!to_ans.empty() && to_ans.top().first<=r) r=max(r, to_ans.top().second), to_ans.pop();
    ans+=r-l+1;
  }
  cout << ans << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	4 ms	1060 KB	Output is correct
3	Correct	4 ms	984 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 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	1 ms	212 KB	Output is correct
16	Correct	4 ms	976 KB	Output is correct
17	Correct	36 ms	4532 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	1 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	0 ms	316 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	311 ms	41204 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	352 ms	16808 KB	Output is correct
3	Correct	359 ms	23896 KB	Output is correct
4	Correct	360 ms	23876 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	352 ms	16808 KB	Output is correct
3	Correct	359 ms	23896 KB	Output is correct
4	Correct	360 ms	23876 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	376 ms	23840 KB	Output is correct
7	Correct	376 ms	23872 KB	Output is correct
8	Correct	368 ms	23832 KB	Output is correct
9	Correct	379 ms	23888 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	352 ms	16808 KB	Output is correct
3	Correct	359 ms	23896 KB	Output is correct
4	Correct	360 ms	23876 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	35 ms	5696 KB	Output is correct
7	Correct	37 ms	5620 KB	Output is correct
8	Correct	36 ms	5680 KB	Output is correct
9	Correct	34 ms	5600 KB	Output is correct
10	Correct	37 ms	5648 KB	Output is correct
11	Correct	48 ms	5688 KB	Output is correct
12	Correct	39 ms	5612 KB	Output is correct
13	Correct	36 ms	5644 KB	Output is correct
14	Correct	39 ms	5748 KB	Output is correct
15	Correct	41 ms	5740 KB	Output is correct
16	Correct	36 ms	5668 KB	Output is correct
17	Correct	34 ms	5688 KB	Output is correct
18	Correct	375 ms	23944 KB	Output is correct
19	Correct	393 ms	23836 KB	Output is correct
20	Correct	338 ms	23904 KB	Output is correct
21	Correct	33 ms	5700 KB	Output is correct
22	Correct	33 ms	5676 KB	Output is correct
23	Correct	121 ms	18488 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	33 ms	2876 KB	Output is correct
3	Correct	34 ms	5700 KB	Output is correct
4	Correct	338 ms	23936 KB	Output is correct
5	Correct	32 ms	5700 KB	Output is correct
6	Correct	33 ms	5676 KB	Output is correct
7	Correct	32 ms	5664 KB	Output is correct
8	Correct	33 ms	5676 KB	Output is correct
9	Correct	33 ms	5724 KB	Output is correct
10	Correct	33 ms	5660 KB	Output is correct
11	Correct	33 ms	5612 KB	Output is correct
12	Correct	33 ms	5708 KB	Output is correct
13	Correct	37 ms	5616 KB	Output is correct
14	Correct	330 ms	23856 KB	Output is correct
15	Correct	36 ms	5824 KB	Output is correct
16	Correct	347 ms	23948 KB	Output is correct
17	Correct	356 ms	24612 KB	Output is correct
18	Correct	1 ms	320 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	4 ms	1060 KB	Output is correct
3	Correct	4 ms	984 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 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	1 ms	212 KB	Output is correct
16	Correct	4 ms	976 KB	Output is correct
17	Correct	36 ms	4532 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	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	316 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	311 ms	41204 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	352 ms	16808 KB	Output is correct
31	Correct	359 ms	23896 KB	Output is correct
32	Correct	360 ms	23876 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	376 ms	23840 KB	Output is correct
35	Correct	376 ms	23872 KB	Output is correct
36	Correct	368 ms	23832 KB	Output is correct
37	Correct	379 ms	23888 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	35 ms	5696 KB	Output is correct
40	Correct	37 ms	5620 KB	Output is correct
41	Correct	36 ms	5680 KB	Output is correct
42	Correct	34 ms	5600 KB	Output is correct
43	Correct	37 ms	5648 KB	Output is correct
44	Correct	48 ms	5688 KB	Output is correct
45	Correct	39 ms	5612 KB	Output is correct
46	Correct	36 ms	5644 KB	Output is correct
47	Correct	39 ms	5748 KB	Output is correct
48	Correct	41 ms	5740 KB	Output is correct
49	Correct	36 ms	5668 KB	Output is correct
50	Correct	34 ms	5688 KB	Output is correct
51	Correct	375 ms	23944 KB	Output is correct
52	Correct	393 ms	23836 KB	Output is correct
53	Correct	338 ms	23904 KB	Output is correct
54	Correct	33 ms	5700 KB	Output is correct
55	Correct	33 ms	5676 KB	Output is correct
56	Correct	121 ms	18488 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	33 ms	2876 KB	Output is correct
59	Correct	34 ms	5700 KB	Output is correct
60	Correct	338 ms	23936 KB	Output is correct
61	Correct	32 ms	5700 KB	Output is correct
62	Correct	33 ms	5676 KB	Output is correct
63	Correct	32 ms	5664 KB	Output is correct
64	Correct	33 ms	5676 KB	Output is correct
65	Correct	33 ms	5724 KB	Output is correct
66	Correct	33 ms	5660 KB	Output is correct
67	Correct	33 ms	5612 KB	Output is correct
68	Correct	33 ms	5708 KB	Output is correct
69	Correct	37 ms	5616 KB	Output is correct
70	Correct	330 ms	23856 KB	Output is correct
71	Correct	36 ms	5824 KB	Output is correct
72	Correct	347 ms	23948 KB	Output is correct
73	Correct	356 ms	24612 KB	Output is correct
74	Correct	1 ms	320 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	0 ms	212 KB	Output is correct
78	Correct	0 ms	212 KB	Output is correct
79	Correct	4 ms	984 KB	Output is correct
80	Correct	350 ms	24992 KB	Output is correct
81	Correct	354 ms	25096 KB	Output is correct
82	Correct	341 ms	25004 KB	Output is correct
83	Correct	344 ms	25096 KB	Output is correct
84	Correct	338 ms	24924 KB	Output is correct
85	Correct	338 ms	24932 KB	Output is correct
86	Correct	117 ms	18488 KB	Output is correct
87	Correct	0 ms	212 KB	Output is correct

Submission #782392

Compilation message