#include<iostream> using namespace std; int main() { int a=5,b=8,c=12,j1,j2,j3,s1,s2,s3; double p; p=(a+b+c)/3.000; j1=39/a; s1=39-39/a*a; j2=39/b; s2=39-39/b*b; j3=39/c; s3=39-39/c*c; printf("%.3lf\n",p); printf("%d %d\n",j1,s1); printf("%d %d\n",j2,s2); printf("%d %d\n",j3,s3); return 0; }