Submission #723156

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
723156	2023-04-13T09:37:42 Z	nicky4321	Strange Device (APIO19_strange_device)	C++17	100 / 100	919 ms	115888 KB

strange_device

#include <bits/stdc++.h>
#include <numeric>
#define ll long long
#define ld long double
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pdd pair<double, double>
#define vi vector<int>
#define vl vector<ll>
#define ALL(x) x.begin(), x.end()
#define SZ(x) (int)x.size()
#define CASE int t;cin>>t;for(int ca=1;ca<=t;ca++)
#define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
const int MAX = 1 << 20, MOD = 1e9 + 7;
ll l[MAX], r[MAX];

void solve(){
    ll n, a, b;
    cin >> n >> a >> b;
    for(int i = 1;i <= n;i++){
        cin >> l[i] >> r[i];
    }
    ll g = __gcd(a, b + 1);
    ll mod;
    if((__int128_t)a * b / g >= 2e18)
        mod = 2e18;
    else
        mod = a * b / g;
    map<ll, int> mp;
    for(int i = 1;i <= n;i++){
        if(r[i] - l[i] + 1 >= mod){
            cout << mod << '\n';
            return;
        }
        l[i] %= mod;
        r[i] %= mod;
        if(l[i] <= r[i]){
            mp[l[i]]++;
            mp[r[i] + 1]--;
        }else{
            mp[0]++;
            mp[r[i] + 1]--;
            mp[l[i]]++;
            mp[mod]--;
        }
    }
    ll lt = 0, now = 0, ans = 0;
    for(auto i : mp){
        if(now > 0)
            ans += i.F - lt;
        now += i.S;
        lt = i.F;
    }
    cout << ans << '\n';
}

int main(){
    IOS
    solve();
    return 0;
}

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	1108 KB	Output is correct
3	Correct	5 ms	1108 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	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 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	1 ms	212 KB	Output is correct
13	Correct	1 ms	328 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	7 ms	1508 KB	Output is correct
17	Correct	69 ms	11908 KB	Output is correct
18	Correct	1 ms	212 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	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	254 ms	16020 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	647 ms	78628 KB	Output is correct
3	Correct	678 ms	78540 KB	Output is correct
4	Correct	708 ms	115888 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	647 ms	78628 KB	Output is correct
3	Correct	678 ms	78540 KB	Output is correct
4	Correct	708 ms	115888 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	685 ms	115616 KB	Output is correct
7	Correct	701 ms	115720 KB	Output is correct
8	Correct	695 ms	115644 KB	Output is correct
9	Correct	919 ms	115612 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	647 ms	78628 KB	Output is correct
3	Correct	678 ms	78540 KB	Output is correct
4	Correct	708 ms	115888 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	57 ms	11856 KB	Output is correct
7	Correct	56 ms	11876 KB	Output is correct
8	Correct	58 ms	11824 KB	Output is correct
9	Correct	71 ms	11852 KB	Output is correct
10	Correct	54 ms	11812 KB	Output is correct
11	Correct	55 ms	11872 KB	Output is correct
12	Correct	55 ms	11808 KB	Output is correct
13	Correct	60 ms	11788 KB	Output is correct
14	Correct	52 ms	11760 KB	Output is correct
15	Correct	73 ms	11812 KB	Output is correct
16	Correct	75 ms	11872 KB	Output is correct
17	Correct	66 ms	11908 KB	Output is correct
18	Correct	677 ms	115760 KB	Output is correct
19	Correct	789 ms	115648 KB	Output is correct
20	Correct	872 ms	115752 KB	Output is correct
21	Correct	61 ms	11776 KB	Output is correct
22	Correct	61 ms	11852 KB	Output is correct
23	Correct	117 ms	18284 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	71 ms	8072 KB	Output is correct
3	Correct	66 ms	8120 KB	Output is correct
4	Correct	727 ms	78644 KB	Output is correct
5	Correct	64 ms	8124 KB	Output is correct
6	Correct	64 ms	8076 KB	Output is correct
7	Correct	62 ms	8140 KB	Output is correct
8	Correct	64 ms	8108 KB	Output is correct
9	Correct	60 ms	8124 KB	Output is correct
10	Correct	60 ms	8084 KB	Output is correct
11	Correct	60 ms	8092 KB	Output is correct
12	Correct	72 ms	8036 KB	Output is correct
13	Correct	65 ms	8140 KB	Output is correct
14	Correct	894 ms	78548 KB	Output is correct
15	Correct	64 ms	8164 KB	Output is correct
16	Correct	640 ms	115700 KB	Output is correct
17	Correct	658 ms	115724 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	1108 KB	Output is correct
3	Correct	5 ms	1108 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	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 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	1 ms	212 KB	Output is correct
13	Correct	1 ms	328 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	7 ms	1508 KB	Output is correct
17	Correct	69 ms	11908 KB	Output is correct
18	Correct	1 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	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	254 ms	16020 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	647 ms	78628 KB	Output is correct
31	Correct	678 ms	78540 KB	Output is correct
32	Correct	708 ms	115888 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	685 ms	115616 KB	Output is correct
35	Correct	701 ms	115720 KB	Output is correct
36	Correct	695 ms	115644 KB	Output is correct
37	Correct	919 ms	115612 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	57 ms	11856 KB	Output is correct
40	Correct	56 ms	11876 KB	Output is correct
41	Correct	58 ms	11824 KB	Output is correct
42	Correct	71 ms	11852 KB	Output is correct
43	Correct	54 ms	11812 KB	Output is correct
44	Correct	55 ms	11872 KB	Output is correct
45	Correct	55 ms	11808 KB	Output is correct
46	Correct	60 ms	11788 KB	Output is correct
47	Correct	52 ms	11760 KB	Output is correct
48	Correct	73 ms	11812 KB	Output is correct
49	Correct	75 ms	11872 KB	Output is correct
50	Correct	66 ms	11908 KB	Output is correct
51	Correct	677 ms	115760 KB	Output is correct
52	Correct	789 ms	115648 KB	Output is correct
53	Correct	872 ms	115752 KB	Output is correct
54	Correct	61 ms	11776 KB	Output is correct
55	Correct	61 ms	11852 KB	Output is correct
56	Correct	117 ms	18284 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	71 ms	8072 KB	Output is correct
59	Correct	66 ms	8120 KB	Output is correct
60	Correct	727 ms	78644 KB	Output is correct
61	Correct	64 ms	8124 KB	Output is correct
62	Correct	64 ms	8076 KB	Output is correct
63	Correct	62 ms	8140 KB	Output is correct
64	Correct	64 ms	8108 KB	Output is correct
65	Correct	60 ms	8124 KB	Output is correct
66	Correct	60 ms	8084 KB	Output is correct
67	Correct	60 ms	8092 KB	Output is correct
68	Correct	72 ms	8036 KB	Output is correct
69	Correct	65 ms	8140 KB	Output is correct
70	Correct	894 ms	78548 KB	Output is correct
71	Correct	64 ms	8164 KB	Output is correct
72	Correct	640 ms	115700 KB	Output is correct
73	Correct	658 ms	115724 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	0 ms	212 KB	Output is correct
76	Correct	1 ms	212 KB	Output is correct
77	Correct	1 ms	332 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	7 ms	1492 KB	Output is correct
80	Correct	780 ms	115716 KB	Output is correct
81	Correct	727 ms	115672 KB	Output is correct
82	Correct	868 ms	115824 KB	Output is correct
83	Correct	849 ms	115608 KB	Output is correct
84	Correct	880 ms	115784 KB	Output is correct
85	Correct	856 ms	115672 KB	Output is correct
86	Correct	117 ms	18152 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #723156

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