제출 #847859

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
847859		vjudge1	Unija (COCI17_unija)	C++17	100 / 100	254 ms	31308 KiB

unija

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define pb push_back
#define ll long long
#define int ll
const long long inf=1e18;
const int MOD=1e9+7;
const int N=2e5+5;
signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n; cin>>n;
    pair<int,int> p[n];
    for(int i=0;i<n;i++){
      cin>>p[i].second>>p[i].first;
      p[i].first/=2;
    }
    sort(p,p+n,greater<pair<int,int>>());
    int mx=p[0].second,sum=0;
    for(int i=1;i<n;i++){
      if(p[i].first!=p[i-1].first)sum+=(p[i-1].first-p[i].first)*mx;
      mx=max(mx,p[i].second);
    }
    sum+=p[n-1].first*mx;
    cout<<sum*2;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10