纯手写！！！

#include <bits/stdc++.h>
using namespace std;
struct students{
string name;
long long number;
long long chinese;
long long maths;
}s[110];
int main(){
long long n,m,num;
string a,b;
cin >> n >> m;
for(int i=1;i<=n;i++){
cin >> s[i].name >> s[i].number >> s[i].chinese >> s[i].maths;
}
for(int i=1;i<=m;i++){
cin >> a;
if(a=="name"){
cin >> b;
for(int j=1;j<=n;j++){
if(s[j].nameb){
cout << s[j].chinese << " " << s[j].maths << endl;
}
}
}
else if(a"number"){
cin >> num;
for(int i=1;i<=n;i++){
if(num==s[i].number){
printf("%.2f\n",(s[i].chinese+s[i].maths)/2.0);
}
}
}
}
return 0;
}