Submission #933217

#	Time	Username	Problem	Language	Result	Execution time	Memory
933217		sleepntsheep	Strange Device (APIO19_strange_device)	C++17	10 / 100	623 ms	524288 KiB

strange_device

#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>
#include <cassert>
#include <cstring>
#include <vector>
#include <algorithm>
#include <deque>
#include <set>
#include <utility>
#include <array>
#include <complex>

using u32 = unsigned;
using i32 = int;
using i64 = long long;
using u64 = unsigned long long;
using f64 = double;
using f80 = long double;

using namespace std;
using pt = complex<f80>;
#define ALL(x) begin(x), end(x)
#define ShinLena cin.tie(nullptr)->sync_with_stdio(false);
#define N 400005

i64 n, a, b, l[N], r[N];

int main()
{
    ShinLena;
    cin >> n >> a >> b;
    for (int i = 0; i < n; ++i) cin >> l[i] >> r[i];

    vector<pair<i64, i64>> v;
    for (int i = 0; i < n; ++i)
    {
        for (i64 j = l[i]; j <= r[i]; ++j)
        {
            v.push_back({(j+j/b)%a, j%b});
        }
    }

    sort(ALL(v));
    cout << unique(ALL(v)) - begin(v);

    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30