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Submission #407071

# Submission time Handle Problem Language Result Execution time Memory
407071 2021-05-18T12:38:24 Z tengiz05 Strange Device (APIO19_strange_device) C++17
100 / 100
 655 ms 60672 KB 
#include <bits/stdc++.h>
using i64 = long long;
constexpr i64 inf = 1e18 + 100;
int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    i64 n, A, B;
    std::cin >> n >> A >> B;
    i64 gcd = std::__gcd(A, B + 1);
    i64 cycle = A / gcd;
    if (A / gcd > inf / B) {
        cycle = inf;
    } else {
        cycle *= B;
    }
    std::vector<std::pair<i64, i64>> v;
    for (int i = 0; i < n; i++) {
        i64 l, r;
        std::cin >> l >> r;
        if (r - l + 1 >= cycle) {
            v.emplace_back(0, cycle - 1);
        }
        l %= cycle;
        r %= cycle;
        if (l <= r) {
            v.emplace_back(l, r);
        } else {
            v.emplace_back(0, r);
            v.emplace_back(l, cycle - 1);
        }
    }
    sort(v.begin(), v.end());
    std::vector<std::pair<i64, i64>> nw;
    nw.push_back(v[0]);
    for (int i = 1; i < int(v.size()); i++) {
        if (nw[nw.size() - 1].second >= v[i].first) {
            nw[nw.size() - 1].first = std::min(nw[nw.size() - 1].first, v[i].first);
            nw[nw.size() - 1].second = std::max(nw[nw.size() - 1].second, v[i].second);
        } else {
            nw.emplace_back(v[i]);
        }
    }
    i64 ans = 0;
    for (auto [l, r] : nw) {
        ans += r - l + 1;
    }
    std::cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 872 KB Output is correct
3 Correct 6 ms 848 KB Output is correct
4 Correct 1 ms 204 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 6 ms 832 KB Output is correct
17 Correct 54 ms 4840 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 349 ms 16820 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 500 ms 40568 KB Output is correct
3 Correct 500 ms 40512 KB Output is correct
4 Correct 503 ms 40720 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 500 ms 40568 KB Output is correct
3 Correct 500 ms 40512 KB Output is correct
4 Correct 503 ms 40720 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 490 ms 40612 KB Output is correct
7 Correct 510 ms 40544 KB Output is correct
8 Correct 492 ms 40684 KB Output is correct
9 Correct 655 ms 40564 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 500 ms 40568 KB Output is correct
3 Correct 500 ms 40512 KB Output is correct
4 Correct 503 ms 40720 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 50 ms 4960 KB Output is correct
7 Correct 51 ms 4908 KB Output is correct
8 Correct 47 ms 4904 KB Output is correct
9 Correct 50 ms 4924 KB Output is correct
10 Correct 49 ms 4920 KB Output is correct
11 Correct 60 ms 4912 KB Output is correct
12 Correct 49 ms 4876 KB Output is correct
13 Correct 51 ms 4924 KB Output is correct
14 Correct 48 ms 4836 KB Output is correct
15 Correct 58 ms 4848 KB Output is correct
16 Correct 53 ms 4880 KB Output is correct
17 Correct 51 ms 4936 KB Output is correct
18 Correct 500 ms 40612 KB Output is correct
19 Correct 487 ms 40668 KB Output is correct
20 Correct 544 ms 40592 KB Output is correct
21 Correct 53 ms 4936 KB Output is correct
22 Correct 54 ms 4864 KB Output is correct
23 Correct 150 ms 8592 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 53 ms 4944 KB Output is correct
3 Correct 52 ms 4868 KB Output is correct
4 Correct 577 ms 40596 KB Output is correct
5 Correct 63 ms 4920 KB Output is correct
6 Correct 65 ms 4904 KB Output is correct
7 Correct 63 ms 4924 KB Output is correct
8 Correct 53 ms 4944 KB Output is correct
9 Correct 51 ms 4892 KB Output is correct
10 Correct 54 ms 4956 KB Output is correct
11 Correct 52 ms 4948 KB Output is correct
12 Correct 45 ms 4880 KB Output is correct
13 Correct 52 ms 4920 KB Output is correct
14 Correct 582 ms 40548 KB Output is correct
15 Correct 51 ms 4920 KB Output is correct
16 Correct 497 ms 40684 KB Output is correct
17 Correct 482 ms 40464 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 6 ms 872 KB Output is correct
3 Correct 6 ms 848 KB Output is correct
4 Correct 1 ms 204 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 6 ms 832 KB Output is correct
17 Correct 54 ms 4840 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 349 ms 16820 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 500 ms 40568 KB Output is correct
31 Correct 500 ms 40512 KB Output is correct
32 Correct 503 ms 40720 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 490 ms 40612 KB Output is correct
35 Correct 510 ms 40544 KB Output is correct
36 Correct 492 ms 40684 KB Output is correct
37 Correct 655 ms 40564 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 50 ms 4960 KB Output is correct
40 Correct 51 ms 4908 KB Output is correct
41 Correct 47 ms 4904 KB Output is correct
42 Correct 50 ms 4924 KB Output is correct
43 Correct 49 ms 4920 KB Output is correct
44 Correct 60 ms 4912 KB Output is correct
45 Correct 49 ms 4876 KB Output is correct
46 Correct 51 ms 4924 KB Output is correct
47 Correct 48 ms 4836 KB Output is correct
48 Correct 58 ms 4848 KB Output is correct
49 Correct 53 ms 4880 KB Output is correct
50 Correct 51 ms 4936 KB Output is correct
51 Correct 500 ms 40612 KB Output is correct
52 Correct 487 ms 40668 KB Output is correct
53 Correct 544 ms 40592 KB Output is correct
54 Correct 53 ms 4936 KB Output is correct
55 Correct 54 ms 4864 KB Output is correct
56 Correct 150 ms 8592 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 53 ms 4944 KB Output is correct
59 Correct 52 ms 4868 KB Output is correct
60 Correct 577 ms 40596 KB Output is correct
61 Correct 63 ms 4920 KB Output is correct
62 Correct 65 ms 4904 KB Output is correct
63 Correct 63 ms 4924 KB Output is correct
64 Correct 53 ms 4944 KB Output is correct
65 Correct 51 ms 4892 KB Output is correct
66 Correct 54 ms 4956 KB Output is correct
67 Correct 52 ms 4948 KB Output is correct
68 Correct 45 ms 4880 KB Output is correct
69 Correct 52 ms 4920 KB Output is correct
70 Correct 582 ms 40548 KB Output is correct
71 Correct 51 ms 4920 KB Output is correct
72 Correct 497 ms 40684 KB Output is correct
73 Correct 482 ms 40464 KB Output is correct
74 Correct 1 ms 204 KB Output is correct
75 Correct 1 ms 204 KB Output is correct
76 Correct 1 ms 316 KB Output is correct
77 Correct 1 ms 204 KB Output is correct
78 Correct 1 ms 204 KB Output is correct
79 Correct 6 ms 1232 KB Output is correct
80 Correct 569 ms 60488 KB Output is correct
81 Correct 581 ms 60580 KB Output is correct
82 Correct 556 ms 60560 KB Output is correct
83 Correct 540 ms 60672 KB Output is correct
84 Correct 549 ms 60552 KB Output is correct
85 Correct 539 ms 60524 KB Output is correct
86 Correct 162 ms 18484 KB Output is correct
87 Correct 1 ms 204 KB Output is correct