```cpp
#include<bits/stdc++.h>
using namespace std;
int n,i,s,t;
float b[45],c[45],d[45];
string a[45];
bool compare(int a,int b){
return a > b;
}
int main(){
cin >> n;
for(i = 1; i <= n; i++){
cin >> a[i] >> b[i];
}
for(i = 1; i <= n; i++){
if(a[i] == "male"){
s++;
c[s] = b[i];
}
else{
t++;
d[t] = b[i];
}
}
sort(c + 1,c + s + 1);
sort(d + 1,d + t + 1,compare);
for(i = 1; i <= s; i++) cout<< fixed << setprecision(2) << c[i] << " " ;
for(i = 1; i <= t; i++) cout<< fixed << setprecision(2) << d[i] << " " ;
return 0;
}
```
by ImposterAnYu @ 2021-05-07 09:51:31
首先，数据类型不对真的会排序吗？
by EDqwq @ 2021-05-07 09:53:48
`std::greater` 不好吗？
by ud2_ @ 2021-05-07 09:58:08
@[ImopsterAnYu](/user/510555) 你的compare是给int比较，但你的d是float
by WYXkk @ 2021-05-07 09:58:11
@[EDqwq](/user/294562) 会的，只不过比较的时候强制转换了类型
by SSerxhs @ 2021-05-07 10:02:39
@[SSerxhs](/user/29826) az 是我孤陋寡闻了
by EDqwq @ 2021-05-07 10:04:41
@[WYXkk](/user/130151) 哦，是要float a和float b吧？
by ImposterAnYu @ 2021-05-07 11:13:09
```cpp
#include<bits/stdc++.h>
using namespace std;
int n,i,s,t;
float b[45],c[45],d[45];
string a[45];
bool compare(float a,float b){
return a > b;
}
int main(){
cin >> n;
for(i = 1; i <= n; i++){
cin >> a[i] >> b[i];
}
for(i = 1; i <= n; i++){
if(a[i] == "male"){
s++;
c[s] = b[i];
}
else{
t++;
d[t] = b[i];
}
}
sort(c + 1,c + s + 1);
sort(d + 1,d + t + 1,compare);
for(i = 1; i <= s; i++) cout<< fixed << setprecision(2) << c[i] << " " ;
for(i = 1; i <= t; i++) cout<< fixed << setprecision(2) << d[i] << " " ;
return 0;
}
```
改完没问题了，谢谢大家的帮助！
by ImposterAnYu @ 2021-05-07 11:14:58