oj.uz

Submission #551282

# Submission time Handle Problem Language Result Execution time Memory
551282 2022-04-20T08:17:09 Z truc12a2cvp Strange Device (APIO19_strange_device) C++14
100 / 100
 612 ms 69772 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> II;
const int N = 1e6 + 5, logN = 20;
const int MOD = 1e9 + 7;
const ll INF = 1e18;

int n;
ll A, B, cyc, sum = 0;
vector<II> vt;
II seg[N];

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> A >> B;
    for(int i = 1; i <= n; i ++) cin >> seg[i].first >> seg[i].second, sum += seg[i].second - seg[i].first + 1;
    ll k = A / __gcd(A, B + 1);
    if(k > INF / B + 1){
       cout << sum << endl;
       return 0;
    }
    cyc = k * B;
    for(int i = 1; i <= n; i ++){
       if(seg[i].second - seg[i].first + 1 >= cyc){
              cout << cyc << endl;
              return 0;
       }
       if(seg[i].first % cyc <= seg[i].second % cyc) vt.push_back(II(seg[i].first % cyc, seg[i].second % cyc));
       else vt.push_back(II(0, seg[i].second % cyc)), vt.push_back(II(seg[i].first % cyc, cyc - 1));
    }
    sort(vt.begin(), vt.end());
    ll Max = 0, ans = 0;
    for(auto x : vt){
       Max = max(Max, x.first);
       ans += max(0ll, x.second - Max + 1);
       Max = max(Max, x.second + 1);
    }
    cout << ans << endl;
    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 5 ms 1208 KB Output is correct
3 Correct 5 ms 1228 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 328 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 212 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 7 ms 1208 KB Output is correct
17 Correct 50 ms 7688 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 1 ms 212 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 368 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 391 ms 57648 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 612 ms 51228 KB Output is correct
3 Correct 498 ms 51220 KB Output is correct
4 Correct 532 ms 69536 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 612 ms 51228 KB Output is correct
3 Correct 498 ms 51220 KB Output is correct
4 Correct 532 ms 69536 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 487 ms 69608 KB Output is correct
7 Correct 525 ms 69636 KB Output is correct
8 Correct 561 ms 69700 KB Output is correct
9 Correct 555 ms 69612 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 612 ms 51228 KB Output is correct
3 Correct 498 ms 51220 KB Output is correct
4 Correct 532 ms 69536 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 50 ms 7724 KB Output is correct
7 Correct 51 ms 7752 KB Output is correct
8 Correct 48 ms 7708 KB Output is correct
9 Correct 48 ms 7752 KB Output is correct
10 Correct 56 ms 7708 KB Output is correct
11 Correct 60 ms 7764 KB Output is correct
12 Correct 46 ms 7684 KB Output is correct
13 Correct 46 ms 7736 KB Output is correct
14 Correct 51 ms 7704 KB Output is correct
15 Correct 52 ms 7748 KB Output is correct
16 Correct 55 ms 7700 KB Output is correct
17 Correct 48 ms 7688 KB Output is correct
18 Correct 546 ms 69600 KB Output is correct
19 Correct 472 ms 69688 KB Output is correct
20 Correct 484 ms 69628 KB Output is correct
21 Correct 59 ms 7792 KB Output is correct
22 Correct 42 ms 7764 KB Output is correct
23 Correct 142 ms 26524 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 48 ms 7772 KB Output is correct
3 Correct 52 ms 7768 KB Output is correct
4 Correct 535 ms 52060 KB Output is correct
5 Correct 50 ms 7756 KB Output is correct
6 Correct 53 ms 7780 KB Output is correct
7 Correct 45 ms 7804 KB Output is correct
8 Correct 52 ms 7752 KB Output is correct
9 Correct 47 ms 7680 KB Output is correct
10 Correct 48 ms 7764 KB Output is correct
11 Correct 48 ms 7720 KB Output is correct
12 Correct 42 ms 7800 KB Output is correct
13 Correct 47 ms 7712 KB Output is correct
14 Correct 506 ms 69644 KB Output is correct
15 Correct 68 ms 7760 KB Output is correct
16 Correct 464 ms 69572 KB Output is correct
17 Correct 443 ms 69528 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 5 ms 1208 KB Output is correct
3 Correct 5 ms 1228 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 328 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 212 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 7 ms 1208 KB Output is correct
17 Correct 50 ms 7688 KB Output is correct
18 Correct 1 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 1 ms 328 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 368 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 391 ms 57648 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 612 ms 51228 KB Output is correct
31 Correct 498 ms 51220 KB Output is correct
32 Correct 532 ms 69536 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 487 ms 69608 KB Output is correct
35 Correct 525 ms 69636 KB Output is correct
36 Correct 561 ms 69700 KB Output is correct
37 Correct 555 ms 69612 KB Output is correct
38 Correct 2 ms 212 KB Output is correct
39 Correct 50 ms 7724 KB Output is correct
40 Correct 51 ms 7752 KB Output is correct
41 Correct 48 ms 7708 KB Output is correct
42 Correct 48 ms 7752 KB Output is correct
43 Correct 56 ms 7708 KB Output is correct
44 Correct 60 ms 7764 KB Output is correct
45 Correct 46 ms 7684 KB Output is correct
46 Correct 46 ms 7736 KB Output is correct
47 Correct 51 ms 7704 KB Output is correct
48 Correct 52 ms 7748 KB Output is correct
49 Correct 55 ms 7700 KB Output is correct
50 Correct 48 ms 7688 KB Output is correct
51 Correct 546 ms 69600 KB Output is correct
52 Correct 472 ms 69688 KB Output is correct
53 Correct 484 ms 69628 KB Output is correct
54 Correct 59 ms 7792 KB Output is correct
55 Correct 42 ms 7764 KB Output is correct
56 Correct 142 ms 26524 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 48 ms 7772 KB Output is correct
59 Correct 52 ms 7768 KB Output is correct
60 Correct 535 ms 52060 KB Output is correct
61 Correct 50 ms 7756 KB Output is correct
62 Correct 53 ms 7780 KB Output is correct
63 Correct 45 ms 7804 KB Output is correct
64 Correct 52 ms 7752 KB Output is correct
65 Correct 47 ms 7680 KB Output is correct
66 Correct 48 ms 7764 KB Output is correct
67 Correct 48 ms 7720 KB Output is correct
68 Correct 42 ms 7800 KB Output is correct
69 Correct 47 ms 7712 KB Output is correct
70 Correct 506 ms 69644 KB Output is correct
71 Correct 68 ms 7760 KB Output is correct
72 Correct 464 ms 69572 KB Output is correct
73 Correct 443 ms 69528 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 0 ms 212 KB Output is correct
79 Correct 5 ms 1260 KB Output is correct
80 Correct 495 ms 69596 KB Output is correct
81 Correct 507 ms 69612 KB Output is correct
82 Correct 473 ms 69772 KB Output is correct
83 Correct 479 ms 69628 KB Output is correct
84 Correct 465 ms 69676 KB Output is correct
85 Correct 504 ms 69580 KB Output is correct
86 Correct 136 ms 26572 KB Output is correct
87 Correct 1 ms 212 KB Output is correct