Submission #1201578

#	Time	Username	Problem	Language	Result	Execution time	Memory
1201578		just	Strange Device (APIO19_strange_device)	C++20	10 / 100	5095 ms	589824 KiB

strange_device

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

#define int long long
#define vec vector

using pii = pair<int, int>;

signed main() {
    int n, a, b; cin >> n >> a >> b;
    set<pii> unique;
    for(int i = n; i--;) {
        int l, r; cin >> l >> r;
        for(int t = l; t <= r; t++) unique.insert({
            (t + t / b) % a,
            t % b
        });
    }
    
    cout << unique.size() << endl;
}

• 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