Submission #931648

#	Time	Username	Problem	Language	Result	Execution time	Memory
931648		Aiperiii	Wiring (IOI17_wiring)	C++14	0 / 100	1018 ms	2056 KiB

wiring

#include <bits/stdc++.h>
#include "wiring.h"
#define ll long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
long long min_total_length(vector<int> r,vector<int> b) {
    int n=r.size(),m=b.size();
    ll ans=0;
    vector <int> used1(n),used2(m);
    for(int i=0;i<n;i++){
        used1[i]=1;
        ll mn=1e18,pos=-1,mn2=1e18;
        for(int j=0;j<m;j++){
            if(!used2[j] && abs(r[i]-b[j])<mn){
                mn=abs(r[i]-b[j]);
                pos=j;
            }
            mn2=min(mn2,(ll)abs(r[i]-b[j]));
        }
        if(pos==-1)ans+=mn2;
        else{
            used2[pos]=1;
            ans+=mn;
        }
    }
    for(int i=0;i<m;i++){
        if(!used2[i]){
            used2[i]=1;
            ll mn=1e18,pos=-1,mn2=1e18;
            for(int j=0;j<n;j++){
                if(!used1[j] && abs(b[i]-r[j])<mn){
                    mn=abs(b[i]-r[j]);
                    pos=j;
                }
                mn2=min(mn2,(ll)abs(b[i]-r[j]));
            }
            if(pos==-1)ans+=mn2;
            else{
                used1[pos]=1;
                ans+=mn;
            }
        }
        
    }
    return ans;
}
/*signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n,m;
    cin>>n>>m;
    vector <int> a(n),b(m);
    for(int i=0;i<n;i++)cin>>a[i];
    for(int i=0;i<m;i++)cin>>b[i];
    cout<<min_total_length(a,b);
}*/
/*
 
 */

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