C++ 代码

#include <iostream>
#include <string>
#include <numeric>
#include <iomanip>
using namespace std;

int main()
{
    int n;
    cin >> n;
    int numbers[n];
    string animals[n];
    for(int i = 0;i < n;i++)
    {
        cin >> numbers[i] >> animals[i];
    }
    double renum = accumulate(numbers,numbers + n,0);
    cout << "Total: " << renum << " animals" << endl;
    double coneys,rats,frogs = 0.00;
    for(int k = 0;k < n;k++)
    {
        if(animals[k] == "C")
        {
            coneys += numbers[k];
        }
        else if(animals[k] == "R")
        {
            rats += numbers[k];
        }
        else
        {
            frogs += numbers[k];
        }
    }
    cout << "Total coneys: " << coneys << endl;
    cout << "Total rats: " << rats << endl;
    cout << "Total frogs: " << frogs << endl;
    cout << setiosflags(ios::fixed) << setprecision(2);
    cout << "Percentage of coneys: " << coneys*100/renum << " %" << endl;
    cout << "Percentage of rats: " << rats*100/renum << " %" << endl;
    cout << "Percentage of frogs: " << frogs*100/renum << " %" << endl;

    return 0;
}