Submission #219973

#	Time	Username	Problem	Language	Result	Execution time	Memory
219973		blacktulip	Wiring (IOI17_wiring)	C++17	0 / 100	5 ms	384 KiB

wiring

#include "wiring.h"

#include <cassert>
#include <cstdio>
#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
//~ #define int long long
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 100000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

lo n,m,b[li],a[li],k,flag,t,dp[304][304];
lo cev;
string s;
vector<int> v;
queue<PII> q;

//~ inline lo f(lo x,lo y,vector<int> r1,vector<int> r2){
	//~ lo cevv=inf;
	//~ if(x>=(int)r1.size()){
		//~ if(y==(int)r2.size())return 0;
		//~ return inf;
	//~ }
	//~ if(y>=(int)r2.size()){
		//~ if(x==(int)r1.size())return 0;
		//~ return inf;
	//~ }
	//~ if(~dp[x][y])return dp[x][y];
	//~ cevv=min(cevv,f(x+1,y+1,r1,r2)+abs(r2[y]-r1[x]));
	//~ cevv=min(cevv,f(x+1,y,r1,r2)+abs(r2[y]-r1[x]));
	//~ cevv=min(cevv,f(x,y+1,r1,r2)+abs(r2[y]-r1[x]));
	//~ return dp[x][y]=cevv;
//~ }

long long min_total_length(vector<int> r, vector<int> b) {
	lo at=0,bt=0;
	multiset<int> st,st1;
	if(r.size()>b.size())swap(r,b);
	for(int i=0;i<(int)b.size();i++){
		st.insert(b[i]);
	}
	for(int i=0;i<(int)r.size();i++){
		st1.insert(r[i]);
	}
	reverse(r.begin(),r.end());
	for(int i=0;i<(int)r.size();i++){
		if(st.size()==st1.size())break;
		auto it=st.end();
		if(it!=st.begin()){
			it--;
			cev+=abs(*it-r[i]);
			//~ st1.erase(r[i]);
			st.erase(it);
			continue;
		}
	}
	auto it1=st1.begin();
	for(auto it=st.begin();it!=st.end();it++){
		cev+=abs(*it-*it1);
		it1++;
	}
	return cev;
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:54:5: warning: unused variable 'at' [-Wunused-variable]
  lo at=0,bt=0;
     ^~
wiring.cpp:54:10: warning: unused variable 'bt' [-Wunused-variable]
  lo at=0,bt=0;
          ^~

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