题目描述

blablabla

样例

blablabla

算法1

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

#include<iostream>
using namespace std;
int main()
{
    int n,a,c=0,r=0,f=0,sum=0;
    char t;
    cin>>n;
    for(int i=0;i<n;i++)
    {
        cin>>a>>t;
        if(t=='C') c+=a;
        if(t=='R') r+=a;
        if(t=='F') f+=a;
        sum+=a;
     } 
    printf("Total: %d animals\n",sum) ;
    printf("Total coneys: %d\n",c) ;
    printf("Total rats: %d\n",r);
    printf("Total frogs: %d\n",f);
    printf("Percentage of coneys: %0.2lf %\n",(double)(c*100)/sum);
    printf("Percentage of rats: %0.2lf %\n",(double)(r*100)/sum);
    printf("Percentage of frogs: %0.2lf %\n",(double)(f*100)/sum);

    return 0;
}