Submission #240340

#	Time	Username	Problem	Language	Result	Execution time	Memory
240340		valerikk	Strange Device (APIO19_strange_device)	C++14	10 / 100	5078 ms	524292 KiB

strange_device

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

#define x first
#define y second
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define f(i, n) for (int i = 0; i < (n); i++)

#define all(a) (a).begin(), (a).end()
#define sz(a) (int)(a).size()
#define trace(a) cerr << #a << " = " << a << '\n'

#define ll long long
#define ld long double
#define int long long
#define pii pair<int, int>

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, a, b;
    cin >> n >> a >> b;
    int p = a / __gcd(a, b + 1);
    set<pair<int, int>> s;
    while (n--) {
        int l, r;
        cin >> l >> r;
        for (int i = l; i <= r; i++) s.insert({i / b % p, i % b});
    }
    cout << sz(s);
    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