제출 #96680

#제출 시각아이디문제언어결과실행 시간메모리
96680Rouge_HugoUnija (COCI17_unija)C++14
0 / 100
341 ms13440 KiB
#include <bits/stdc++.h> using namespace std; long long a[10000009]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long x,y; int n;cin>>n; for(int i=0;i<n;i++) { cin>>x>>y; x/=2; y/=2; a[y]=max(a[y],x); } long long sum=0; for(int i=1;i<1000;i++) { if (a[i]>a[i-1]) { sum+=(a[i]-a[i-1])*(i-1)+a[i]; } else sum+=a[i]; } cout<<sum*4; return 0; }
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