Submission #225676

#	Time	Username	Problem	Language	Result	Execution time	Memory
225676		BeanZ	Strange Device (APIO19_strange_device)	C++14	0 / 100	5093 ms	405264 KiB

strange_device

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

#define ull unsigned long long
#define endl '\n'
#define ll long long
const int N = 1e6 + 5;
pair<ll, ll> c[N];
int main(){
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        cout.tie(0);
        //freopen("VLJUM.INP", "r", stdin);
        //freopen("VLJUM.OUT", "w", stdout);
        ll n, a, b;
        cin >> n >> a >> b;
        ll sum = 0;
        for (int i = 1; i <= n; i++){
                cin >> c[i].first >> c[i].second;
                sum += c[i].second - c[i].first + 1;
        }
        if (sum <= 1000000){
                set<pair<ll,ll>> mem;
                for (int i = 1; i <= n; i++){
                        for (int j = c[i].first; j <= c[i].second; j++){
                                mem.insert({(j + j/b) % a, j % b});
                        }
                }
                cout << mem.size();
        } else {
                cout << 0;
        }
        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