Submission #985571

#	Time	Username	Problem	Language	Result	Execution time	Memory
985571		crafticat	Strange Device (APIO19_strange_device)	C++17	10 / 100	5064 ms	524288 KiB

strange_device

#include <bits/stdc++.h>

using namespace std;

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

int main() {
    ll n, a, b; cin >> n >> a >> b;
    set<pii> elm;

    for (int i = 0; i < n; ++i) {
        ll x, y; cin >> x >> y;
        for (ll j = x; j <= y; ++j) {
            elm.insert({(j + j / b) % a,j % b});
        }
    }
    cout << elm.size();

    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