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
blablabla
算法2
(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[100];
int sum_total=0,sum_C=0,sum_R=0,sum_F=0;
char b[100];
cin>>N;
for(int i=1;i<=N;i++){
cin>>a[i]>>b[i];
sum_total+=a[i];
if(b[i]=='C')sum_C+=a[i];
if(b[i]=='R')sum_R+=a[i];
if(b[i]=='F')sum_F+=a[i];
}
double x,y,z;
x=(double)sum_C/sum_total;
y=(double)sum_R/sum_total;
z=(double)sum_F/sum_total;
printf("Total: %d animals\n",sum_total);
printf("Total coneys: %d\n",sum_C);
printf("Total rats: %d\n",sum_R);
printf("Total frogs: %d\n",sum_F);
printf("Percentage of coneys: %.2lf %%\n",x*100);
printf("Percentage of rats: %.2lf %%\n",y*100);
printf("Percentage of frogs: %.2lf %%\n",z*100);
return 0;
}