参考文献

C++ 代码

#include<bits/stdc++.h>
using namespace std;
int n,i,a,s,c,r,f;
char ch;
int main()
{
    cin>>n;
    for(i=1;i<=n;i++){
        cin>>a>>ch;
        if(ch=='C')c=c+a;
        if(ch=='R')r=r+a;
        if(ch=='F')f=f+a;
        s=s+a;
    }
    cout<<"Total: "<<s<<" animals"<<endl;
    cout<<"Total coneys: "<<c<<endl;
    cout<<"Total rats: "<<r<<endl;
    cout<<"Total frogs: "<<f<<endl;
    cout<<"Percentage of coneys: "<<fixed<<setprecision(2)<<c*100.0/s<<" %"<<endl;
    cout<<"Percentage of rats: "<<fixed<<setprecision(2)<<r*100.0/s<<" %"<<endl;
    cout<<"Percentage of frogs: "<<fixed<<setprecision(2)<<f*100.0/s<<" %";
}