Submission #674058

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
674058	2022-12-22T19:10:35 Z	Kahou	Strange Device (APIO19_strange_device)	C++14	100 / 100	769 ms	96992 KB

strange_device

/* In the name of God, aka Allah */
// let this be mytemp.cpp
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define endl '\n'
#define mk make_pair
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const ll inf = (1ll<<60);
const int N = 1e6 + 50;
ll n, A, B;
pll P[N];
map<ll, ll> mp;

void solve() {
        cin >> n >> A >> B;
        ll C = B+1;
        ll lcm = A*min((inf+A-1)/A, C/__gcd(A, C));
        for (int i = 1; i <= n; i++) {
                cin >> P[i].F >> P[i].S;
                P[i].S ++;
                P[i].F += P[i].F/B;
                P[i].S += P[i].S/B;
                if (P[i].S - P[i].F >= lcm) {
                        return cout << lcm - lcm/C << endl, void();
                }
                ll l = P[i].F % lcm, r = P[i].S % lcm;
                mp[l]++;
                mp[r]--;
                if (r < l) mp[0]++, mp[lcm]--;
        }
        ll ans = 0;
        ll bl = 0;
        ll pt = 0;
        for (pll x:mp) {
                if (!bl) pt = x.F;
                bl += x.S;
                if (!bl) {
                        ans += (x.F-x.F/C)-(pt-pt/C);
                }
        }
        cout << ans << endl;
}
int main() {
        ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        solve();
        return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	9 ms	1436 KB	Output is correct
3	Correct	6 ms	1492 KB	Output is correct
4	Correct	1 ms	336 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	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	0 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	332 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	6 ms	1460 KB	Output is correct
17	Correct	61 ms	11836 KB	Output is correct
18	Correct	1 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	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	0 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	472 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	273 ms	41100 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	639 ms	96572 KB	Output is correct
3	Correct	673 ms	96740 KB	Output is correct
4	Correct	708 ms	96692 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	639 ms	96572 KB	Output is correct
3	Correct	673 ms	96740 KB	Output is correct
4	Correct	708 ms	96692 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	705 ms	96992 KB	Output is correct
7	Correct	708 ms	96848 KB	Output is correct
8	Correct	687 ms	96820 KB	Output is correct
9	Correct	728 ms	96612 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	639 ms	96572 KB	Output is correct
3	Correct	673 ms	96740 KB	Output is correct
4	Correct	708 ms	96692 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	55 ms	11860 KB	Output is correct
7	Correct	56 ms	11804 KB	Output is correct
8	Correct	57 ms	11792 KB	Output is correct
9	Correct	77 ms	11852 KB	Output is correct
10	Correct	59 ms	11880 KB	Output is correct
11	Correct	55 ms	11860 KB	Output is correct
12	Correct	56 ms	11752 KB	Output is correct
13	Correct	62 ms	11764 KB	Output is correct
14	Correct	57 ms	11872 KB	Output is correct
15	Correct	68 ms	11788 KB	Output is correct
16	Correct	68 ms	11860 KB	Output is correct
17	Correct	63 ms	11864 KB	Output is correct
18	Correct	687 ms	96780 KB	Output is correct
19	Correct	678 ms	96632 KB	Output is correct
20	Correct	748 ms	96532 KB	Output is correct
21	Correct	58 ms	11852 KB	Output is correct
22	Correct	59 ms	11756 KB	Output is correct
23	Correct	118 ms	18132 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	65 ms	11852 KB	Output is correct
3	Correct	72 ms	11796 KB	Output is correct
4	Correct	718 ms	96484 KB	Output is correct
5	Correct	67 ms	11820 KB	Output is correct
6	Correct	66 ms	11756 KB	Output is correct
7	Correct	66 ms	11852 KB	Output is correct
8	Correct	64 ms	11840 KB	Output is correct
9	Correct	71 ms	11852 KB	Output is correct
10	Correct	59 ms	11864 KB	Output is correct
11	Correct	63 ms	11852 KB	Output is correct
12	Correct	60 ms	11820 KB	Output is correct
13	Correct	67 ms	11780 KB	Output is correct
14	Correct	738 ms	96496 KB	Output is correct
15	Correct	57 ms	11780 KB	Output is correct
16	Correct	650 ms	96444 KB	Output is correct
17	Correct	622 ms	96340 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	9 ms	1436 KB	Output is correct
3	Correct	6 ms	1492 KB	Output is correct
4	Correct	1 ms	336 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	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	0 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	332 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	6 ms	1460 KB	Output is correct
17	Correct	61 ms	11836 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 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	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	472 KB	Output is correct
27	Correct	1 ms	468 KB	Output is correct
28	Correct	273 ms	41100 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	639 ms	96572 KB	Output is correct
31	Correct	673 ms	96740 KB	Output is correct
32	Correct	708 ms	96692 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	705 ms	96992 KB	Output is correct
35	Correct	708 ms	96848 KB	Output is correct
36	Correct	687 ms	96820 KB	Output is correct
37	Correct	728 ms	96612 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	55 ms	11860 KB	Output is correct
40	Correct	56 ms	11804 KB	Output is correct
41	Correct	57 ms	11792 KB	Output is correct
42	Correct	77 ms	11852 KB	Output is correct
43	Correct	59 ms	11880 KB	Output is correct
44	Correct	55 ms	11860 KB	Output is correct
45	Correct	56 ms	11752 KB	Output is correct
46	Correct	62 ms	11764 KB	Output is correct
47	Correct	57 ms	11872 KB	Output is correct
48	Correct	68 ms	11788 KB	Output is correct
49	Correct	68 ms	11860 KB	Output is correct
50	Correct	63 ms	11864 KB	Output is correct
51	Correct	687 ms	96780 KB	Output is correct
52	Correct	678 ms	96632 KB	Output is correct
53	Correct	748 ms	96532 KB	Output is correct
54	Correct	58 ms	11852 KB	Output is correct
55	Correct	59 ms	11756 KB	Output is correct
56	Correct	118 ms	18132 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	65 ms	11852 KB	Output is correct
59	Correct	72 ms	11796 KB	Output is correct
60	Correct	718 ms	96484 KB	Output is correct
61	Correct	67 ms	11820 KB	Output is correct
62	Correct	66 ms	11756 KB	Output is correct
63	Correct	66 ms	11852 KB	Output is correct
64	Correct	64 ms	11840 KB	Output is correct
65	Correct	71 ms	11852 KB	Output is correct
66	Correct	59 ms	11864 KB	Output is correct
67	Correct	63 ms	11852 KB	Output is correct
68	Correct	60 ms	11820 KB	Output is correct
69	Correct	67 ms	11780 KB	Output is correct
70	Correct	738 ms	96496 KB	Output is correct
71	Correct	57 ms	11780 KB	Output is correct
72	Correct	650 ms	96444 KB	Output is correct
73	Correct	622 ms	96340 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	1 ms	212 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	7 ms	1460 KB	Output is correct
80	Correct	707 ms	96028 KB	Output is correct
81	Correct	721 ms	95748 KB	Output is correct
82	Correct	716 ms	95448 KB	Output is correct
83	Correct	722 ms	95084 KB	Output is correct
84	Correct	769 ms	94780 KB	Output is correct
85	Correct	761 ms	93960 KB	Output is correct
86	Correct	116 ms	18112 KB	Output is correct
87	Correct	1 ms	336 KB	Output is correct

Submission #674058

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