Submission #736357

# Submission time Handle Problem Language Result Execution time Memory
736357 2023-05-05T13:33:42 Z definitelynotmee Strange Device (APIO19_strange_device) C++17
100 / 100
536 ms 68960 KB
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define ff first
#define ss second
using namespace std;
template <typename T>
using bstring = basic_string<T>;
template <typename T>
using matrix = vector<vector<T>>;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INFL = (1LL<<62)-1;
const int INF = (1<<30)-1;
const double EPS = 1e-7;
const int MOD = 998244353;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
const ll MAXN = 1e18+10;

int main(){
    
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    ll n, a, b;
    cin >> n >> a >> b;

    a/=gcd(b+1,a);

    bool beeg = (MAXN+b-1)/b < a;

    vector<pll> v(n);

    ll resp = 0;
    vector<pll> interval;

    for(auto& [l, r] : v){
        cin >> l >> r;
        if(beeg){
            resp+=r-l+1;
        } else {
            if(r-l+1 >= a*b){
                cout << a*b << '\n';
                return 0;
            }
            ll tl = l%(a*b), tr = r%(a*b);

            if(tl <= tr){
                interval.push_back({tl,tr});
            } else {
                interval.push_back({tl,a*b-1});
                interval.push_back({0,tr});
            }
        }
    }

    if(beeg){
        cout << resp << '\n';
        return 0;
    }

    sort(all(interval));

    ll counted = -1;

    for(auto [l,r] : interval){
        if(counted < l){
            resp+=r-l+1;
            counted = r;
        } else {
            resp+=max(0ll,r-counted);
            counted = max(counted,r);
        }
    }
    
    cout << resp << '\n';

    return 0;

}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 1236 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 0 ms 316 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 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 316 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 5 ms 1224 KB Output is correct
17 Correct 51 ms 7192 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
# 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 320 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 380 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 407 ms 57044 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 454 ms 32604 KB Output is correct
3 Correct 443 ms 32552 KB Output is correct
4 Correct 385 ms 32552 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 454 ms 32604 KB Output is correct
3 Correct 443 ms 32552 KB Output is correct
4 Correct 385 ms 32552 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 422 ms 32516 KB Output is correct
7 Correct 419 ms 32796 KB Output is correct
8 Correct 387 ms 32616 KB Output is correct
9 Correct 448 ms 32544 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 454 ms 32604 KB Output is correct
3 Correct 443 ms 32552 KB Output is correct
4 Correct 385 ms 32552 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 43 ms 5052 KB Output is correct
7 Correct 54 ms 5020 KB Output is correct
8 Correct 44 ms 4372 KB Output is correct
9 Correct 44 ms 4372 KB Output is correct
10 Correct 40 ms 4448 KB Output is correct
11 Correct 41 ms 4452 KB Output is correct
12 Correct 39 ms 4412 KB Output is correct
13 Correct 47 ms 4424 KB Output is correct
14 Correct 38 ms 4424 KB Output is correct
15 Correct 41 ms 4328 KB Output is correct
16 Correct 44 ms 7388 KB Output is correct
17 Correct 42 ms 7200 KB Output is correct
18 Correct 441 ms 68948 KB Output is correct
19 Correct 424 ms 68960 KB Output is correct
20 Correct 469 ms 68840 KB Output is correct
21 Correct 45 ms 7216 KB Output is correct
22 Correct 55 ms 7244 KB Output is correct
23 Correct 144 ms 23772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 43 ms 4344 KB Output is correct
3 Correct 46 ms 4376 KB Output is correct
4 Correct 460 ms 32600 KB Output is correct
5 Correct 39 ms 3996 KB Output is correct
6 Correct 42 ms 4048 KB Output is correct
7 Correct 40 ms 4040 KB Output is correct
8 Correct 40 ms 3996 KB Output is correct
9 Correct 45 ms 3972 KB Output is correct
10 Correct 42 ms 4068 KB Output is correct
11 Correct 41 ms 4092 KB Output is correct
12 Correct 36 ms 4060 KB Output is correct
13 Correct 40 ms 4080 KB Output is correct
14 Correct 446 ms 32516 KB Output is correct
15 Correct 47 ms 7256 KB Output is correct
16 Correct 425 ms 68872 KB Output is correct
17 Correct 420 ms 68832 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 1236 KB Output is correct
3 Correct 5 ms 1236 KB Output is correct
4 Correct 0 ms 316 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 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 316 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 5 ms 1224 KB Output is correct
17 Correct 51 ms 7192 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 320 KB Output is correct
22 Correct 1 ms 316 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 328 KB Output is correct
26 Correct 1 ms 380 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 407 ms 57044 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 454 ms 32604 KB Output is correct
31 Correct 443 ms 32552 KB Output is correct
32 Correct 385 ms 32552 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 422 ms 32516 KB Output is correct
35 Correct 419 ms 32796 KB Output is correct
36 Correct 387 ms 32616 KB Output is correct
37 Correct 448 ms 32544 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 43 ms 5052 KB Output is correct
40 Correct 54 ms 5020 KB Output is correct
41 Correct 44 ms 4372 KB Output is correct
42 Correct 44 ms 4372 KB Output is correct
43 Correct 40 ms 4448 KB Output is correct
44 Correct 41 ms 4452 KB Output is correct
45 Correct 39 ms 4412 KB Output is correct
46 Correct 47 ms 4424 KB Output is correct
47 Correct 38 ms 4424 KB Output is correct
48 Correct 41 ms 4328 KB Output is correct
49 Correct 44 ms 7388 KB Output is correct
50 Correct 42 ms 7200 KB Output is correct
51 Correct 441 ms 68948 KB Output is correct
52 Correct 424 ms 68960 KB Output is correct
53 Correct 469 ms 68840 KB Output is correct
54 Correct 45 ms 7216 KB Output is correct
55 Correct 55 ms 7244 KB Output is correct
56 Correct 144 ms 23772 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 43 ms 4344 KB Output is correct
59 Correct 46 ms 4376 KB Output is correct
60 Correct 460 ms 32600 KB Output is correct
61 Correct 39 ms 3996 KB Output is correct
62 Correct 42 ms 4048 KB Output is correct
63 Correct 40 ms 4040 KB Output is correct
64 Correct 40 ms 3996 KB Output is correct
65 Correct 45 ms 3972 KB Output is correct
66 Correct 42 ms 4068 KB Output is correct
67 Correct 41 ms 4092 KB Output is correct
68 Correct 36 ms 4060 KB Output is correct
69 Correct 40 ms 4080 KB Output is correct
70 Correct 446 ms 32516 KB Output is correct
71 Correct 47 ms 7256 KB Output is correct
72 Correct 425 ms 68872 KB Output is correct
73 Correct 420 ms 68832 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 5 ms 1228 KB Output is correct
80 Correct 536 ms 68952 KB Output is correct
81 Correct 495 ms 68856 KB Output is correct
82 Correct 441 ms 68924 KB Output is correct
83 Correct 451 ms 68936 KB Output is correct
84 Correct 446 ms 68960 KB Output is correct
85 Correct 478 ms 68820 KB Output is correct
86 Correct 136 ms 23780 KB Output is correct
87 Correct 1 ms 212 KB Output is correct