제출 #781659

#제출 시각아이디문제언어결과실행 시간메모리
781659andecaandeci이상한 기계 (APIO19_strange_device)C++17
10 / 100
924 ms81828 KiB
#include <bits/stdc++.h> #define ll long long using namespace std; bool vis[10000][10000]; int main(){ ll n,a,b;cin>>n>>a>>b; ll ans=0; for(int j=1;j<=n;j++){ ll x,y;cin>>x>>y; for(ll i=x;i<=y;i++){ ll c=(i+i/b)%a; ll d=i%b; if(!vis[d][c]){ ans++; vis[d][c]=true; } } } cout<<ans; }
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