Submission #748340

#	Time	Username	Problem	Language	Result	Execution time	Memory
748340		Sharky	Strange Device (APIO19_strange_device)	C++17	0 / 100	5057 ms	524288 KiB

strange_device

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

#define int long long

int32_t main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int n, A, B, ans = 0;
    cin >> n >> A >> B;
    map<int, bool> mp;
    int mul = 3E18;
    if (3E18 / A >= B) mul = A * B;
    for (int i = 0; i < n; i++) {
        int l, r;
        cin >> l >> r;
        for (int j = l; j <= r; j++) mp[j % mul] = 1;
    }
    for (auto& [key, x] : mp) ans += x;
    cout << ans << '\n';
    return 0;
}

• Subtask 1: 0 / 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