Submission #978886

#	Time	Username	Problem	Language	Result	Execution time	Memory
978886		Lalic	Wiring (IOI17_wiring)	C++17	13 / 100	18 ms	4240 KiB

wiring

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

#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define allr(x) x.rbegin(), x.rend()
#define mp make_pair

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5+10;
const int MOD = 1e9+7;
const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3f;

ll min_total_length(vector<int> r, vector<int> b) {
	int n=(int)r.size(), m=(int)b.size();
	
	if(n>m){
		swap(n, m);
		swap(r, b);
	}
	
	r.pb(-1e9-2);
	ll ans=0;
	int last=0;
	for(int i=0;i<n;i++){
		int low=last+1, high=m-n+i, best=last;
		while(low<=high){
			int mid=(low+high)>>1;
			if(abs(b[mid]-r[i])<=abs(b[mid]-r[i+1])){
				best=mid;
				low=mid+1;
			}
			else high=mid-1;
		}
		
		while(last<=best){
			ans+=abs(b[last]-r[i]);
			last++;
		}
	}
	
	return ans;
}

• Subtask 1: 0 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45