oj.uz

Submission #264097

# Submission time Handle Problem Language Result Execution time Memory
264097 2020-08-14T05:04:06 Z batmendbar Strange Device (APIO19_strange_device) C++14
100 / 100
 706 ms 50416 KB 
#include <bits/stdc++.h>
using namespace std;

const long long N = ((long long)1e18) + 5;

long long gcd(long long x, long long y)
{
    if (x < y)
        swap(x, y);
    while (y)
    {
        x %= y;
        swap(x, y);
    }
    return x;
}

vector<pair<long long, long long>> v;

long long ans;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    long long n, a, b;
    cin >> n >> a >> b;
    long long aa = a / gcd(a, b + 1);
    long long len;
    if (aa > (N / b))
        len = N;
    else
        len = aa * b;
    for (long long i = 0; i < n; i++)
    {
        long long bg, en;
        cin >> bg >> en;
        if (en - bg >= len)
        {
            cout << len << '\n';
            exit(0);
        }
        bg %= len;
        en %= len;
        if (bg > en)
        {
            v.push_back(make_pair(bg, len - 1));
            v.push_back(make_pair(0, en));
        }
        else
        {
            v.push_back(make_pair(bg, en));
        }
    }
    sort(v.begin(), v.end());
    long long bg = 0, en = -1;
    for (pair<long long, long long> x : v)
    {
        long long bgg = x.first;
        long long enn = x.second;
        if (bgg > en)
        {
            ans += en - bg + 1;
            bg = bgg;
            en = enn;
            continue;
        }
        if (bgg <= en)
        {
            en = max(en, enn);
        }
    }
    ans += en - bg + 1;
    cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 6 ms 768 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 9 ms 1152 KB Output is correct
17 Correct 70 ms 5736 KB Output is correct
18 Correct 1 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 360 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 332 ms 16984 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 467 ms 16892 KB Output is correct
3 Correct 487 ms 16948 KB Output is correct
4 Correct 464 ms 35776 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 467 ms 16892 KB Output is correct
3 Correct 487 ms 16948 KB Output is correct
4 Correct 464 ms 35776 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 500 ms 35776 KB Output is correct
7 Correct 476 ms 35796 KB Output is correct
8 Correct 459 ms 35904 KB Output is correct
9 Correct 521 ms 35776 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 467 ms 16892 KB Output is correct
3 Correct 487 ms 16948 KB Output is correct
4 Correct 464 ms 35776 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 46 ms 5740 KB Output is correct
7 Correct 54 ms 5740 KB Output is correct
8 Correct 47 ms 5748 KB Output is correct
9 Correct 46 ms 5740 KB Output is correct
10 Correct 55 ms 5740 KB Output is correct
11 Correct 48 ms 5740 KB Output is correct
12 Correct 44 ms 5740 KB Output is correct
13 Correct 48 ms 5740 KB Output is correct
14 Correct 51 ms 5736 KB Output is correct
15 Correct 58 ms 5740 KB Output is correct
16 Correct 48 ms 5740 KB Output is correct
17 Correct 46 ms 5740 KB Output is correct
18 Correct 474 ms 21076 KB Output is correct
19 Correct 440 ms 35912 KB Output is correct
20 Correct 516 ms 35904 KB Output is correct
21 Correct 56 ms 5740 KB Output is correct
22 Correct 44 ms 5740 KB Output is correct
23 Correct 183 ms 18528 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 49 ms 2672 KB Output is correct
3 Correct 91 ms 2672 KB Output is correct
4 Correct 564 ms 17108 KB Output is correct
5 Correct 47 ms 2800 KB Output is correct
6 Correct 65 ms 2800 KB Output is correct
7 Correct 49 ms 2800 KB Output is correct
8 Correct 47 ms 2800 KB Output is correct
9 Correct 47 ms 2800 KB Output is correct
10 Correct 59 ms 2856 KB Output is correct
11 Correct 53 ms 2808 KB Output is correct
12 Correct 50 ms 2796 KB Output is correct
13 Correct 62 ms 2808 KB Output is correct
14 Correct 528 ms 17108 KB Output is correct
15 Correct 61 ms 2968 KB Output is correct
16 Correct 472 ms 34832 KB Output is correct
17 Correct 480 ms 31292 KB Output is correct
18 Correct 1 ms 384 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 6 ms 768 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 9 ms 1152 KB Output is correct
17 Correct 70 ms 5736 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 360 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 332 ms 16984 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 467 ms 16892 KB Output is correct
31 Correct 487 ms 16948 KB Output is correct
32 Correct 464 ms 35776 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 500 ms 35776 KB Output is correct
35 Correct 476 ms 35796 KB Output is correct
36 Correct 459 ms 35904 KB Output is correct
37 Correct 521 ms 35776 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 46 ms 5740 KB Output is correct
40 Correct 54 ms 5740 KB Output is correct
41 Correct 47 ms 5748 KB Output is correct
42 Correct 46 ms 5740 KB Output is correct
43 Correct 55 ms 5740 KB Output is correct
44 Correct 48 ms 5740 KB Output is correct
45 Correct 44 ms 5740 KB Output is correct
46 Correct 48 ms 5740 KB Output is correct
47 Correct 51 ms 5736 KB Output is correct
48 Correct 58 ms 5740 KB Output is correct
49 Correct 48 ms 5740 KB Output is correct
50 Correct 46 ms 5740 KB Output is correct
51 Correct 474 ms 21076 KB Output is correct
52 Correct 440 ms 35912 KB Output is correct
53 Correct 516 ms 35904 KB Output is correct
54 Correct 56 ms 5740 KB Output is correct
55 Correct 44 ms 5740 KB Output is correct
56 Correct 183 ms 18528 KB Output is correct
57 Correct 1 ms 384 KB Output is correct
58 Correct 49 ms 2672 KB Output is correct
59 Correct 91 ms 2672 KB Output is correct
60 Correct 564 ms 17108 KB Output is correct
61 Correct 47 ms 2800 KB Output is correct
62 Correct 65 ms 2800 KB Output is correct
63 Correct 49 ms 2800 KB Output is correct
64 Correct 47 ms 2800 KB Output is correct
65 Correct 47 ms 2800 KB Output is correct
66 Correct 59 ms 2856 KB Output is correct
67 Correct 53 ms 2808 KB Output is correct
68 Correct 50 ms 2796 KB Output is correct
69 Correct 62 ms 2808 KB Output is correct
70 Correct 528 ms 17108 KB Output is correct
71 Correct 61 ms 2968 KB Output is correct
72 Correct 472 ms 34832 KB Output is correct
73 Correct 480 ms 31292 KB Output is correct
74 Correct 1 ms 384 KB Output is correct
75 Correct 0 ms 384 KB Output is correct
76 Correct 1 ms 384 KB Output is correct
77 Correct 1 ms 384 KB Output is correct
78 Correct 0 ms 384 KB Output is correct
79 Correct 5 ms 1152 KB Output is correct
80 Correct 577 ms 25096 KB Output is correct
81 Correct 597 ms 50416 KB Output is correct
82 Correct 586 ms 47164 KB Output is correct
83 Correct 546 ms 43212 KB Output is correct
84 Correct 706 ms 40624 KB Output is correct
85 Correct 555 ms 39216 KB Output is correct
86 Correct 150 ms 18584 KB Output is correct
87 Correct 1 ms 384 KB Output is correct