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Submission #684293

# Submission time Handle Problem Language Result Execution time Memory
684293 2023-01-20T20:03:25 Z Alexandruabcde Strange Device (APIO19_strange_device) C++14
100 / 100
 846 ms 100272 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long LL;
constexpr LL INF = 1LL * 1e18;

int N;
LL A, B;

LL T;

map <long long, int> mp;

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

    cin >> N >> A >> B;

    A = A / __gcd(A, B+1);

    if (A > INF / B) T = INF;
    else T = A * B;

    for (int i = 1; i <= N; ++ i ) {
        LL L, R;
        cin >> L >> R;

        if (R - L + 1 >= T) {
            cout << T << '\n';
            return 0;
        }

        L = L % T;
        R = R % T;

        if (L <= R) {
            mp[L] ++;
            mp[(R+1)] --;
        }
        else {
            mp[L] ++;
            mp[T] --;
            mp[0] ++;
            mp[(R+1)] --;
        }
    }

    LL last = 0;
    int contor = 0;
    LL ans = 0;

    for (auto it : mp) {
        ans += (it.first - last) * (contor != 0);
        contor += it.second;
        last = it.first;
    }

    cout << ans << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 6 ms 1224 KB Output is correct
3 Correct 6 ms 1320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 320 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 316 KB Output is correct
15 Correct 1 ms 252 KB Output is correct
16 Correct 6 ms 1268 KB Output is correct
17 Correct 63 ms 10276 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 0 ms 212 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 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 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 253 ms 25368 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 628 ms 100068 KB Output is correct
3 Correct 681 ms 83588 KB Output is correct
4 Correct 739 ms 100092 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 628 ms 100068 KB Output is correct
3 Correct 681 ms 83588 KB Output is correct
4 Correct 739 ms 100092 KB Output is correct
5 Correct 0 ms 316 KB Output is correct
6 Correct 650 ms 99968 KB Output is correct
7 Correct 650 ms 100024 KB Output is correct
8 Correct 652 ms 99960 KB Output is correct
9 Correct 782 ms 100020 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 628 ms 100068 KB Output is correct
3 Correct 681 ms 83588 KB Output is correct
4 Correct 739 ms 100092 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 54 ms 10220 KB Output is correct
7 Correct 57 ms 10268 KB Output is correct
8 Correct 57 ms 10200 KB Output is correct
9 Correct 60 ms 10172 KB Output is correct
10 Correct 53 ms 10272 KB Output is correct
11 Correct 53 ms 10188 KB Output is correct
12 Correct 57 ms 10184 KB Output is correct
13 Correct 61 ms 10180 KB Output is correct
14 Correct 53 ms 10416 KB Output is correct
15 Correct 65 ms 10244 KB Output is correct
16 Correct 77 ms 10316 KB Output is correct
17 Correct 59 ms 10188 KB Output is correct
18 Correct 616 ms 100116 KB Output is correct
19 Correct 719 ms 100008 KB Output is correct
20 Correct 798 ms 100044 KB Output is correct
21 Correct 56 ms 10292 KB Output is correct
22 Correct 56 ms 10308 KB Output is correct
23 Correct 106 ms 12832 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 71 ms 10184 KB Output is correct
3 Correct 63 ms 10208 KB Output is correct
4 Correct 725 ms 100172 KB Output is correct
5 Correct 66 ms 10272 KB Output is correct
6 Correct 68 ms 10188 KB Output is correct
7 Correct 65 ms 10212 KB Output is correct
8 Correct 67 ms 10184 KB Output is correct
9 Correct 65 ms 10180 KB Output is correct
10 Correct 58 ms 10188 KB Output is correct
11 Correct 60 ms 10296 KB Output is correct
12 Correct 59 ms 10272 KB Output is correct
13 Correct 71 ms 10244 KB Output is correct
14 Correct 846 ms 100256 KB Output is correct
15 Correct 54 ms 10300 KB Output is correct
16 Correct 646 ms 83200 KB Output is correct
17 Correct 639 ms 83132 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 6 ms 1224 KB Output is correct
3 Correct 6 ms 1320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 320 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 316 KB Output is correct
15 Correct 1 ms 252 KB Output is correct
16 Correct 6 ms 1268 KB Output is correct
17 Correct 63 ms 10276 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 316 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 253 ms 25368 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 628 ms 100068 KB Output is correct
31 Correct 681 ms 83588 KB Output is correct
32 Correct 739 ms 100092 KB Output is correct
33 Correct 0 ms 316 KB Output is correct
34 Correct 650 ms 99968 KB Output is correct
35 Correct 650 ms 100024 KB Output is correct
36 Correct 652 ms 99960 KB Output is correct
37 Correct 782 ms 100020 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 54 ms 10220 KB Output is correct
40 Correct 57 ms 10268 KB Output is correct
41 Correct 57 ms 10200 KB Output is correct
42 Correct 60 ms 10172 KB Output is correct
43 Correct 53 ms 10272 KB Output is correct
44 Correct 53 ms 10188 KB Output is correct
45 Correct 57 ms 10184 KB Output is correct
46 Correct 61 ms 10180 KB Output is correct
47 Correct 53 ms 10416 KB Output is correct
48 Correct 65 ms 10244 KB Output is correct
49 Correct 77 ms 10316 KB Output is correct
50 Correct 59 ms 10188 KB Output is correct
51 Correct 616 ms 100116 KB Output is correct
52 Correct 719 ms 100008 KB Output is correct
53 Correct 798 ms 100044 KB Output is correct
54 Correct 56 ms 10292 KB Output is correct
55 Correct 56 ms 10308 KB Output is correct
56 Correct 106 ms 12832 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 71 ms 10184 KB Output is correct
59 Correct 63 ms 10208 KB Output is correct
60 Correct 725 ms 100172 KB Output is correct
61 Correct 66 ms 10272 KB Output is correct
62 Correct 68 ms 10188 KB Output is correct
63 Correct 65 ms 10212 KB Output is correct
64 Correct 67 ms 10184 KB Output is correct
65 Correct 65 ms 10180 KB Output is correct
66 Correct 58 ms 10188 KB Output is correct
67 Correct 60 ms 10296 KB Output is correct
68 Correct 59 ms 10272 KB Output is correct
69 Correct 71 ms 10244 KB Output is correct
70 Correct 846 ms 100256 KB Output is correct
71 Correct 54 ms 10300 KB Output is correct
72 Correct 646 ms 83200 KB Output is correct
73 Correct 639 ms 83132 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 1 ms 316 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 6 ms 1320 KB Output is correct
80 Correct 718 ms 100192 KB Output is correct
81 Correct 736 ms 100056 KB Output is correct
82 Correct 696 ms 100048 KB Output is correct
83 Correct 727 ms 100152 KB Output is correct
84 Correct 767 ms 100272 KB Output is correct
85 Correct 704 ms 100108 KB Output is correct
86 Correct 106 ms 12832 KB Output is correct
87 Correct 0 ms 324 KB Output is correct