Submission #716486

#	Time	Username	Problem	Language	Result	Execution time	Memory
716486		1zaid1	Strange Device (APIO19_strange_device)	C++17	10 / 100	5087 ms	524288 KiB

strange_device

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

#define int long long
#define endl '\n'

const signed M = 1e4, MOD = 998244353;
int f[M], l[M];

signed main() {
    cin.tie(0)->sync_with_stdio(0);

    int n, a, b;
    cin >> n >> a >> b;

    set<pair<int, int>> st;
    for (int i = 0; i < n; i++) {
        int l, r;
        cin >> l >> r;

        for (int t = l; t <= r; t++) st.insert({(t+t/b)%a, t%b});
    } cout << st.size() << endl;

    return 0;
}
/*
3 3 3
4 4
7 9
17 18
*/

• 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