Submission #1044807

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1044807	2024-08-05T13:45:26 Z	vjudge1	Strange Device (APIO19_strange_device)	C++17	100 / 100	289 ms	18732 KB

strange_device

// #pragma GCC optimize("O3,Ofast,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>

using namespace std;


#define int long long int
#define MP make_pair
#define pb push_back
#define REP(i,n) for(int i = 0; (i) < (n); (i)++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()


void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}


const double EPS = 0.00001;
const int INF = 1e18 + 5;
const int N = 3e5+5;
const int ALPH = 26;
const int LGN = 25;
constexpr int MOD = 1e9+7;
int n,m,q;



inline void solve() {
    int A, B;
    cin >> n >> A >> B;
    __int128_t space = (__int128_t)A / __gcd(A, B + 1) * B;
    space = min(space, (__int128_t)INF);
    int sp = (int)space;
    
    vector<array<int, 2> > inter;
    
    REP(i, n) {
        int l, r;
        cin >> l >> r;
        if(r - l + 1 >= sp) {
            cout << sp << "\n";
            return;
        } 
        l %= sp; r %= sp;
        if(l > r) {
            inter.pb({0, r});
            inter.pb({l, sp - 1});
        }
        else {
            inter.pb({l, r});
        }
    }
    int last = 0;
    int ans = 0;
    sort(all(inter));
    for(auto c : inter) {
        c[0] = max(last, c[0]);
        if(c[0] > c[1]) continue;
        ans += c[1] - c[0] + 1;
        last = c[1] + 1;
    }
    cout << ans << "\n";
    
}
 
signed main() {

    fastio();
    int test = 1;
    //cin>>test;
    while(test--) {
        solve();
    }
    
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	3 ms	856 KB	Output is correct
3	Correct	3 ms	736 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	2 ms	736 KB	Output is correct
17	Correct	26 ms	2520 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	173 ms	17808 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	230 ms	18732 KB	Output is correct
3	Correct	244 ms	17336 KB	Output is correct
4	Correct	231 ms	17848 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	230 ms	18732 KB	Output is correct
3	Correct	244 ms	17336 KB	Output is correct
4	Correct	231 ms	17848 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	232 ms	17572 KB	Output is correct
7	Correct	262 ms	18104 KB	Output is correct
8	Correct	227 ms	16824 KB	Output is correct
9	Correct	267 ms	17492 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	230 ms	18732 KB	Output is correct
3	Correct	244 ms	17336 KB	Output is correct
4	Correct	231 ms	17848 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	22 ms	2424 KB	Output is correct
7	Correct	24 ms	2520 KB	Output is correct
8	Correct	22 ms	2520 KB	Output is correct
9	Correct	24 ms	2544 KB	Output is correct
10	Correct	24 ms	2564 KB	Output is correct
11	Correct	24 ms	2520 KB	Output is correct
12	Correct	27 ms	2804 KB	Output is correct
13	Correct	26 ms	2516 KB	Output is correct
14	Correct	22 ms	2520 KB	Output is correct
15	Correct	28 ms	2416 KB	Output is correct
16	Correct	26 ms	2520 KB	Output is correct
17	Correct	23 ms	2520 KB	Output is correct
18	Correct	228 ms	17840 KB	Output is correct
19	Correct	224 ms	18616 KB	Output is correct
20	Correct	270 ms	17588 KB	Output is correct
21	Correct	25 ms	2520 KB	Output is correct
22	Correct	22 ms	2520 KB	Output is correct
23	Correct	72 ms	9936 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	26 ms	2520 KB	Output is correct
3	Correct	24 ms	2416 KB	Output is correct
4	Correct	258 ms	18696 KB	Output is correct
5	Correct	25 ms	2516 KB	Output is correct
6	Correct	25 ms	2520 KB	Output is correct
7	Correct	25 ms	2520 KB	Output is correct
8	Correct	33 ms	2820 KB	Output is correct
9	Correct	25 ms	2520 KB	Output is correct
10	Correct	25 ms	2520 KB	Output is correct
11	Correct	25 ms	2520 KB	Output is correct
12	Correct	21 ms	2516 KB	Output is correct
13	Correct	24 ms	2520 KB	Output is correct
14	Correct	289 ms	16828 KB	Output is correct
15	Correct	24 ms	2520 KB	Output is correct
16	Correct	223 ms	17316 KB	Output is correct
17	Correct	220 ms	18536 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	3 ms	856 KB	Output is correct
3	Correct	3 ms	736 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	2 ms	736 KB	Output is correct
17	Correct	26 ms	2520 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	173 ms	17808 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	230 ms	18732 KB	Output is correct
31	Correct	244 ms	17336 KB	Output is correct
32	Correct	231 ms	17848 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	232 ms	17572 KB	Output is correct
35	Correct	262 ms	18104 KB	Output is correct
36	Correct	227 ms	16824 KB	Output is correct
37	Correct	267 ms	17492 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	22 ms	2424 KB	Output is correct
40	Correct	24 ms	2520 KB	Output is correct
41	Correct	22 ms	2520 KB	Output is correct
42	Correct	24 ms	2544 KB	Output is correct
43	Correct	24 ms	2564 KB	Output is correct
44	Correct	24 ms	2520 KB	Output is correct
45	Correct	27 ms	2804 KB	Output is correct
46	Correct	26 ms	2516 KB	Output is correct
47	Correct	22 ms	2520 KB	Output is correct
48	Correct	28 ms	2416 KB	Output is correct
49	Correct	26 ms	2520 KB	Output is correct
50	Correct	23 ms	2520 KB	Output is correct
51	Correct	228 ms	17840 KB	Output is correct
52	Correct	224 ms	18616 KB	Output is correct
53	Correct	270 ms	17588 KB	Output is correct
54	Correct	25 ms	2520 KB	Output is correct
55	Correct	22 ms	2520 KB	Output is correct
56	Correct	72 ms	9936 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	26 ms	2520 KB	Output is correct
59	Correct	24 ms	2416 KB	Output is correct
60	Correct	258 ms	18696 KB	Output is correct
61	Correct	25 ms	2516 KB	Output is correct
62	Correct	25 ms	2520 KB	Output is correct
63	Correct	25 ms	2520 KB	Output is correct
64	Correct	33 ms	2820 KB	Output is correct
65	Correct	25 ms	2520 KB	Output is correct
66	Correct	25 ms	2520 KB	Output is correct
67	Correct	25 ms	2520 KB	Output is correct
68	Correct	21 ms	2516 KB	Output is correct
69	Correct	24 ms	2520 KB	Output is correct
70	Correct	289 ms	16828 KB	Output is correct
71	Correct	24 ms	2520 KB	Output is correct
72	Correct	223 ms	17316 KB	Output is correct
73	Correct	220 ms	18536 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	1 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	3 ms	736 KB	Output is correct
80	Correct	259 ms	18140 KB	Output is correct
81	Correct	256 ms	17960 KB	Output is correct
82	Correct	255 ms	18356 KB	Output is correct
83	Correct	268 ms	17080 KB	Output is correct
84	Correct	257 ms	17396 KB	Output is correct
85	Correct	253 ms	16820 KB	Output is correct
86	Correct	69 ms	10692 KB	Output is correct
87	Correct	1 ms	348 KB	Output is correct

Submission #1044807

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