oj.uz

Submission #729558

# Submission time Handle Problem Language Result Execution time Memory
729558 2023-04-24T09:06:48 Z danikoynov Strange Device (APIO19_strange_device) C++14
5 / 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;


void solve()
{
    cin >> n >> A >> B;
    for (int i = 1; i <= n; i ++)
    {
        cin >> l[i] >> r[i];
    }
    if (n == 1)
    {
        ll ans = (r[1] - l[1] + 1);
        if (ans / B > A)
            ans = min(ans, A * B);
        cout << ans << endl;
        return;
    }
    if ((ll)(2e18) / B < A)
    {
        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 ++)
        {
            st.insert(j % (A * B));
        }
    }

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

int main()
{
    solve();
    return 0;
}
/**
7 3
4 1 3 4 0 2 3
*/

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 31 ms 9932 KB Output is correct
3 Correct 33 ms 11940 KB Output is correct
4 Incorrect 1 ms 852 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 40 ms 21816 KB Output is correct
3 Correct 49 ms 21788 KB Output is correct
4 Correct 44 ms 20976 KB Output is correct
5 Execution timed out 5038 ms 58296 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1491 ms 58528 KB Output is correct
3 Runtime error 2178 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 0 ms 212 KB Output is correct
2 Correct 1491 ms 58528 KB Output is correct
3 Runtime error 2178 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 0 ms 212 KB Output is correct
2 Correct 1491 ms 58528 KB Output is correct
3 Runtime error 2178 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 0 ms 212 KB Output is correct
2 Runtime error 912 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 31 ms 9932 KB Output is correct
3 Correct 33 ms 11940 KB Output is correct
4 Incorrect 1 ms 852 KB Output isn't correct
5 Halted 0 ms 0 KB -