Submission #1249759

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249759		khangho	Strange Device (APIO19_strange_device)	C++17	10 / 100	5093 ms	589824 KiB

strange_device

#include <iostream>
#include <vector>
#include <set>

using namespace std;

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

    int n;
    long long A, B;
    cin >> n >> A >> B;

    set<pair<long long, long long>> unique_pairs;

    for (int i = 0; i < n; ++i) {
        long long l, r;
        cin >> l >> r;
        for (long long j = l; j <= r; ++j) {
            long long y = j % B;
            long long floor_val = j / B;
            long long x = (floor_val + j) % A;

            unique_pairs.insert({x, y});
        }
    }

    cout << unique_pairs.size() << endl;

    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