https://codeforces.com/contest/1144/problem/B
题意:给定一个数组,进行操作:每次删除一个数,但是删除的数的奇偶性要与上一次相反。求删除后剩下的数的最小和
题解:两个队列,先删元素多的
/*
*@Author: STZG
*@Language: C++
*/
#include <bits/stdc++.h>
#include<iostream>
#include<algorithm>
#include<cstdlib>
#include<cstring>
#include<cstdio>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<deque>
#include<stack>
#include<cmath>
#include<list>
#include<map>
#include<set>
//#define DEBUG
#define RI register int
#define endl "\n"
using namespace std;
typedef long long ll;
//typedef __int128 lll;
const int N=100000+10;
const int M=100000+10;
const int MOD=1e9+7;
const double PI = acos(-1.0);
const double EXP = 1E-8;
const int INF = 0x3f3f3f3f;
int t,n,m,k,p,l,r,u,v;
int ans,cnt,flag,temp,sum;
int a[N];
char str;
struct node{};
int main()
{
#ifdef DEBUG
freopen("input.in", "r", stdin);
//freopen("output.out", "w", stdout);
#endif
//ios::sync_with_stdio(false);
//cin.tie(0);
//cout.tie(0);
//scanf("%d",&t);
//while(t--){
scanf("%d",&n);
priority_queue<int>odd;
priority_queue<int>even;
for(int i=1;i<=n;i++){
scanf("%d",&a[i]);
if(a[i]%2){
odd.push(a[i]);
}else{
even.push(a[i]);
}
sum+=a[i];
}
if(odd.empty()){
cout<<sum-even.top()<<endl;
return 0;
}
if(even.empty()){
cout<<sum-odd.top()<<endl;
return 0;
}
if(even.size()>odd.size()){
flag=0;
}else{
flag=1;
}
while(1){
if(flag&&!odd.empty()){
sum-=odd.top();
odd.pop();
flag=!flag;
}else if(!flag&&!even.empty()){
sum-=even.top();
even.pop();
flag=!flag;
}else{
break;
}
}
cout<<sum<<endl;
//}
#ifdef DEBUG
printf("Time cost : %lf s\n",(double)clock()/CLOCKS_PER_SEC);
#endif
//cout << "Hello world!" << endl;
return 0;
}