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Submission #729612

# Submission time Handle Problem Language Result Execution time Memory
729612 2023-04-24T09:39:53 Z danikoynov Strange Device (APIO19_strange_device) C++14
10 / 100
 5000 ms 524288 KB 
#include<bits/stdc++.h>
#define endl '\n'

using namespace std;
typedef long long ll;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}

const int maxn = 1e6 + 10;

int n;
ll l[maxn], r[maxn];
ll A, B;

bool tf = false;
ll check(ll a, ll b)
{
    ///cout << a << " " << b << endl;
    if (a < 1e9 && b < 1e9)
        return a * b;
    if (a > b)
        swap(a, b);
    if (b % 2 == 1)
    {
        ll s = check(a, b - 1);
        if (s + a > 1e18)
            tf = true;
        return s + a;
    }
    ll s = check(a, b / 2);
    if (s * 2 > (ll)1e18)
        tf = true;

    return s * 2;
}
void solve()
{
    cin >> n >> A >> B;

    for (int i = 1; i <= n; i ++)
    {
        cin >> l[i] >> r[i];
    }
    check(A, B);

    if (tf)
    {
        ll ans = 0;
        for (int i = 1; i <= n; i ++)
        {
            ans = ans + (r[i] - l[i] + 1);
        }
        cout << ans << endl;
        return;
    }
    unordered_set < ll > st;
    for (int i = 1; i <= n; i ++)
    {

        for (ll j = l[i]; j <= r[i]; j ++)
        {
                 ll x = (j + (j / B)) % A, y = j % B;

            st.insert(x * B + y);
        }
    }

    cout << st.size() << endl;
}

int main()
{
    solve();
    return 0;
}
/**
1  10000 3312452154131231
1 1
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 38 ms 9908 KB Output is correct
3 Correct 58 ms 12276 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 4 ms 852 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 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 22 ms 4980 KB Output is correct
16 Correct 27 ms 5448 KB Output is correct
17 Correct 172 ms 8640 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 716 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 57 ms 21776 KB Output is correct
3 Correct 80 ms 21692 KB Output is correct
4 Correct 55 ms 21000 KB Output is correct
5 Execution timed out 5016 ms 58600 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1519 ms 58572 KB Output is correct
3 Runtime error 2806 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1519 ms 58572 KB Output is correct
3 Runtime error 2806 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1519 ms 58572 KB Output is correct
3 Runtime error 2806 ms 524288 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 2984 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 38 ms 9908 KB Output is correct
3 Correct 58 ms 12276 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 4 ms 852 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 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 22 ms 4980 KB Output is correct
16 Correct 27 ms 5448 KB Output is correct
17 Correct 172 ms 8640 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Runtime error 716 ms 524288 KB Execution killed with signal 9
21 Halted 0 ms 0 KB -