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Submission #401786

# Submission time Handle Problem Language Result Execution time Memory
401786 2021-05-10T20:04:01 Z AmineTrabelsi Strange Device (APIO19_strange_device) C++14
100 / 100
 588 ms 32884 KB 
#include <bits/stdc++.h>
using namespace std;
// Hi

int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int n;
    long long a,b;
    cin>>n>>a>>b;
    a /= __gcd(a,b+1);
    long long max_ans = 1000000000000000001;
    long long mod = max_ans;
    if (a <= LLONG_MAX / b)mod = a*b;
    vector<pair<long long,long long>> q;
    for(int i=0;i<n;i++){
        long long l,r;
        cin>>l>>r;
        if(r-l+1 >= mod){
            cout << mod << '\n';
            return 0;
        }
        long long ll = l% mod, rr = r% mod;
        if(ll  <= rr){
            q.push_back({ll,rr});
        }else {
            q.push_back({0,rr});
            q.push_back({ll,mod-1});
        }
    }
    sort(q.begin(),q.end());
    long long ans = 0,curr_l = q[0].first,curr_r = q[0].second;
    for(auto p:q){
        if(p.first<= curr_r){
            curr_r = max(curr_r,p.second);
        }else{
            ans += curr_r-curr_l+1;
            curr_l = p.first;
            curr_r = p.second;
        }
    }
    ans += curr_r-curr_l+1;
    cout << ans << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 7 ms 592 KB Output is correct
3 Correct 6 ms 592 KB Output is correct
4 Correct 1 ms 276 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 592 KB Output is correct
17 Correct 51 ms 2468 KB Output is correct
18 Correct 1 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 353 ms 16780 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 480 ms 16760 KB Output is correct
3 Correct 478 ms 16740 KB Output is correct
4 Correct 475 ms 28556 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 480 ms 16760 KB Output is correct
3 Correct 478 ms 16740 KB Output is correct
4 Correct 475 ms 28556 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 475 ms 29020 KB Output is correct
7 Correct 487 ms 30412 KB Output is correct
8 Correct 481 ms 29988 KB Output is correct
9 Correct 513 ms 30316 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 480 ms 16760 KB Output is correct
3 Correct 478 ms 16740 KB Output is correct
4 Correct 475 ms 28556 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 48 ms 5608 KB Output is correct
7 Correct 54 ms 5768 KB Output is correct
8 Correct 48 ms 5712 KB Output is correct
9 Correct 51 ms 5632 KB Output is correct
10 Correct 47 ms 5628 KB Output is correct
11 Correct 53 ms 5620 KB Output is correct
12 Correct 59 ms 5668 KB Output is correct
13 Correct 51 ms 5688 KB Output is correct
14 Correct 48 ms 5688 KB Output is correct
15 Correct 53 ms 5720 KB Output is correct
16 Correct 58 ms 5612 KB Output is correct
17 Correct 59 ms 5612 KB Output is correct
18 Correct 486 ms 30324 KB Output is correct
19 Correct 520 ms 30500 KB Output is correct
20 Correct 519 ms 30360 KB Output is correct
21 Correct 52 ms 5684 KB Output is correct
22 Correct 46 ms 5652 KB Output is correct
23 Correct 150 ms 18480 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 51 ms 2472 KB Output is correct
3 Correct 50 ms 2512 KB Output is correct
4 Correct 560 ms 16824 KB Output is correct
5 Correct 50 ms 5620 KB Output is correct
6 Correct 51 ms 5668 KB Output is correct
7 Correct 51 ms 5660 KB Output is correct
8 Correct 58 ms 5656 KB Output is correct
9 Correct 50 ms 5692 KB Output is correct
10 Correct 51 ms 5684 KB Output is correct
11 Correct 63 ms 5656 KB Output is correct
12 Correct 49 ms 5624 KB Output is correct
13 Correct 51 ms 5692 KB Output is correct
14 Correct 519 ms 28344 KB Output is correct
15 Correct 59 ms 5692 KB Output is correct
16 Correct 486 ms 28400 KB Output is correct
17 Correct 511 ms 28320 KB Output is correct
18 Correct 1 ms 204 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 7 ms 592 KB Output is correct
3 Correct 6 ms 592 KB Output is correct
4 Correct 1 ms 276 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 592 KB Output is correct
17 Correct 51 ms 2468 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 353 ms 16780 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 480 ms 16760 KB Output is correct
31 Correct 478 ms 16740 KB Output is correct
32 Correct 475 ms 28556 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 475 ms 29020 KB Output is correct
35 Correct 487 ms 30412 KB Output is correct
36 Correct 481 ms 29988 KB Output is correct
37 Correct 513 ms 30316 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 48 ms 5608 KB Output is correct
40 Correct 54 ms 5768 KB Output is correct
41 Correct 48 ms 5712 KB Output is correct
42 Correct 51 ms 5632 KB Output is correct
43 Correct 47 ms 5628 KB Output is correct
44 Correct 53 ms 5620 KB Output is correct
45 Correct 59 ms 5668 KB Output is correct
46 Correct 51 ms 5688 KB Output is correct
47 Correct 48 ms 5688 KB Output is correct
48 Correct 53 ms 5720 KB Output is correct
49 Correct 58 ms 5612 KB Output is correct
50 Correct 59 ms 5612 KB Output is correct
51 Correct 486 ms 30324 KB Output is correct
52 Correct 520 ms 30500 KB Output is correct
53 Correct 519 ms 30360 KB Output is correct
54 Correct 52 ms 5684 KB Output is correct
55 Correct 46 ms 5652 KB Output is correct
56 Correct 150 ms 18480 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 51 ms 2472 KB Output is correct
59 Correct 50 ms 2512 KB Output is correct
60 Correct 560 ms 16824 KB Output is correct
61 Correct 50 ms 5620 KB Output is correct
62 Correct 51 ms 5668 KB Output is correct
63 Correct 51 ms 5660 KB Output is correct
64 Correct 58 ms 5656 KB Output is correct
65 Correct 50 ms 5692 KB Output is correct
66 Correct 51 ms 5684 KB Output is correct
67 Correct 63 ms 5656 KB Output is correct
68 Correct 49 ms 5624 KB Output is correct
69 Correct 51 ms 5692 KB Output is correct
70 Correct 519 ms 28344 KB Output is correct
71 Correct 59 ms 5692 KB Output is correct
72 Correct 486 ms 28400 KB Output is correct
73 Correct 511 ms 28320 KB Output is correct
74 Correct 1 ms 204 KB Output is correct
75 Correct 1 ms 316 KB Output is correct
76 Correct 1 ms 204 KB Output is correct
77 Correct 1 ms 204 KB Output is correct
78 Correct 1 ms 308 KB Output is correct
79 Correct 6 ms 964 KB Output is correct
80 Correct 544 ms 32804 KB Output is correct
81 Correct 588 ms 32868 KB Output is correct
82 Correct 539 ms 32824 KB Output is correct
83 Correct 521 ms 32788 KB Output is correct
84 Correct 514 ms 32812 KB Output is correct
85 Correct 524 ms 32884 KB Output is correct
86 Correct 150 ms 18480 KB Output is correct
87 Correct 1 ms 204 KB Output is correct