#include<iostream> using namespace std; int main() { int a,b,c; double n; a=5; b=8; c=12; n=(a+b+c)/3.0; printf("%.3lf\n",n); printf("可以买香蕉%d斤\n",39/a); printf("剩%d元\n",39%a); printf("可以买苹果%d斤\n",39/b); printf("剩%d元\n",39%b); printf("可以买葡萄%d斤\n",39/c); printf("剩%d元\n",39%c); return 0; }