#include<bits/stdc++.h>
using namespace std;
int n;
struct photo{
	string x;
	double l;
}a[45];
bool cmd(double a,double b){
	return a>b;
}
double m[45],f[45];
int q=-1,w=-1;
int main(){
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>a[i].x>>a[i].l;
		if(a[i].x[0]=='m') m[++q]=a[i].l;
		else f[++w]=a[i].l;
	}
	sort(m,m+q+1);
	sort(f,f+w+1,cmd);
	for(int i=0;i<=q;i++) cout<<fixed<<setprecision(2)<<m[i]<<' ';
	for(int i=0;i<=w;i++) cout<<fixed<<setprecision(2)<<f[i]<<' ';
	return 0;
}

修bug修了十分钟

#include<iostream>
#include<string>
#include<algorithm>
#include<iomanip>
using namespace std;
struct people{
	string sex;
	float high;
};
bool sort_function(people first,people second){
	if(first.sex!=second.sex){
		return first.sex=="male";
	}
	else{
		if(first.sex=="male"){
			return first.high<second.high;
		}
		else{
			return first.high>second.high;
		}
	}
}
int main(){
	int many;
	cin
	>>many;
	people friends_and_Xiaoyun[many];
	for(int loop_body=0;loop_body<many;loop_body++){
		cin
		>>friends_and_Xiaoyun[loop_body].sex
		>>friends_and_Xiaoyun[loop_body].high;
	}
	sort(friends_and_Xiaoyun,friends_and_Xiaoyun+many,sort_function);
	for(int loop_body=0;loop_body<many;loop_body++){
		cout
		<<setprecision(2)
		<<fixed
		<<friends_and_Xiaoyun[loop_body].high
		<<" ";
	}
}