家人们谁懂啊 大佬们快来帮我看一下 哪里戳了

#include<iostream>
#include<algorithm> 
using namespace std;
struct t{
	int ti,id;
}water[10001];
int n;
double time;
bool cmp(t x,t y){
	return x.ti<y.ti;
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>water[i].ti;
		water[i].id=i;
	}
	sort(water,water+n,cmp);
	for(int i=i;i<=n;i++)
		cout<<water[i].id<<" ";
	cout<<endl;
	for(int i=1;i<=n;i++)
		time=water[i].ti*(n-i+1);
	printf("%.2f",time/n);
	return 0;
}

栓Q歪瑞马驰