数组排序 + 循环语句

#include<bits/stdc++.h>
using namespace std;
bool cmp(int a,int b){
	return a>b;
}
int main(){
    int n;
    cin>>n;
    int list[1009]={0};
    for(int i=0;i<n;i++) cin>>list[i];
    sort(list,list+n,cmp);
    int sum1=0,sum2=0;
    sum1+=list[0];//特殊
    bool tmp=1;
    for(int i=1;i<n;i+=2){
    	//cout<<list[i]<<" "<<list[i+1]<<endl;
        if(tmp){ sum2+=list[i];sum2+=list[i+1];tmp=0;continue; }
        else{ sum1+=list[i];sum1+=list[i+1];tmp=1;continue; }
    }
    cout<<abs(sum1-sum2);
    return 0;
}