Submission #211381

#	Time	Username	Problem	Language	Result	Execution time	Memory
211381		VEGAnn	Strange Device (APIO19_strange_device)	C++14	10 / 100	803 ms	524292 KiB

strange_device

#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define pll pair<ll, ll>
#define MP make_pair
#define PB push_back
using namespace std;
typedef long long ll;
vector<pll> vc;
int n;
ll A, B;

int main(){

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#else
    ios_base::sync_with_stdio(0); cin.tie(0);
#endif // _LOCAL

    cin >> n >> A >> B;

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

        for (ll t = l; t <= r; t++)
            vc.PB(MP((t + t / B) % A, t % B));
    }

    sort(all(vc));
    vc.resize(unique(all(vc)) - vc.begin());

    cout << sz(vc);

    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