Submission #130301

#	Time	Username	Problem	Language	Result	Execution time	Memory
130301		osaaateiasavtnl	Strange Device (APIO19_strange_device)	C++14	10 / 100	5057 ms	524292 KiB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define int long long
int n, A, B, D, M;
int get(int n) {
    return min(n, D);
}   
int lcm(int a, int b) {
    return (a / __gcd(a, b)) * b;
}   
signed main() {
    #ifdef HOME
    freopen("input.txt", "r", stdin);
    #else
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    cin >> n >> A >> B;
    D = A / __gcd(A, B + 1);
    int M = B * D;
    set <int> ms;
    while (n--) {
        int l, r;
        cin >> l >> r;
        for (int i = l; i <= r; ++i) {
            ms.insert(i % M);
        }   
    }   
    cout << ms.size() << '\n';
}   

• 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