Submission #972950

#	Time	Username	Problem	Language	Result	Execution time	Memory
972950		Unforgettablepl	Strange Device (APIO19_strange_device)	C++17	0 / 100	5040 ms	524288 KiB

strange_device

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

#define int long long

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,A,B;
    cin >> n >> A >> B;
    __int128 modulus;
    if((B+1)%A==0){
        modulus = B;
    } else if(A%(B+1)==0){
        modulus = __int128(A/(B+1))*__int128(B);
    } else {
        modulus = __int128(A)*__int128(B);
    }
    set<__int128> answers;
    for(int i=1;i<=n;i++){
        int l,r;cin>>l>>r;
        for(int x=l;x<=r;x++){
            answers.insert(__int128(x)%modulus);
        }
    }
    cout << answers.size() << '\n';
}

• 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