Submission #1174544

#	Time	Username	Problem	Language	Result	Execution time	Memory
1174544		Muhammet	Strange Device (APIO19_strange_device)	C++17	10 / 100	5092 ms	589824 KiB

strange_device

#include "bits/stdc++.h"

using namespace std;
 
#define ll long long
#define SZ(s) (int)s.size()
#define ff first
#define ss second

const int N = 3e5 + 5;
const int M = 1e9 + 7;

map <pair <ll, ll>, bool> mp;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);

    ll n, a, b;
    cin >> n >> a >> b;
    int ans = 0;
    for(int i = 1; i <= n; i++) {
        ll l, r;
        cin >> l >> r;
        for(ll j = l; j <= r; j++) {
            if(mp.find({(j + (j / b)) % a, j % b}) == mp.end()) ans++;
            mp[{(j + (j / b)) % a, j % b}] = true;
        }
    }

    cout << ans;

    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