제출 #208017

#제출 시각아이디문제언어결과실행 시간메모리
208017shihan04이상한 기계 (APIO19_strange_device)C++11
0 / 100
5045 ms524292 KiB
#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{
    ll n,a,b,l,r;
    cin>>n>>a>>b;
    map <pair<ll,ll>,bool> m;
    while(n--){
        cin>>l>>r;
        for(ll t=l;t<=r;t++){
            if(m[make_pair((t+t/b)%a,t%b)]==1){
                break;
            }
            else{
                m[make_pair((t+t/b)%a,t%b)]=1;
            }
        }
    }
    cout<<m.size()<<"\n";
    return 0;
}
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