Submission #952949

#	Time	Username	Problem	Language	Result	Execution time	Memory
952949		Vladth11	Strange Device (APIO19_strange_device)	C++14	10 / 100	5028 ms	524288 KiB

strange_device

#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")

using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;

const ll NMAX = 1000001;
const int INF = 1e9;
const ll nrbits = 20;
const ll MOD = 998244353;

signed main() {
#ifdef HOME
    ifstream cin(".in");
    ofstream cout(".out");
#endif // HOME
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    ll n, i, a, b;
    cin >> n >> a >> b;
    set <pii> st; /// grija
    for(i = 1; i <= n; i++){
        ll l, r;
        cin >> l >> r;
        for(ll j = l; j <= r; j++){
            pii pr = (pii){(j + (j / b)) % a, j % b};
            st.insert(pr);
        }
    }
    cout << st.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