Submission #1367105

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367105		Nxmkxing	Strange Device (APIO19_strange_device)	C++20	10 / 100	5093 ms	589824 KiB

strange_device

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using pll = pair<long long, long long>;

const int N = 1e6 + 10;
ll n, a, b, l[N], r[N];

int main() {
    cin.tie(nullptr)->ios_base::sync_with_stdio(false);
    cin >> n >> a >> b;
    set<pll> st;
    for (int i = 1; i <= n; i++) {
        cin >> l[i] >> r[i];
        for (ll t = l[i]; t <= r[i]; t++) {
            ll first = (t + (t / b)) % a;
            ll second = t % b;
            st.insert({first, second}); 
        }
    }
    cout << st.size();
}

• 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