#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf()) #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int x=5,pl=8,po=12,q=39; printf("%.3f\n",(x+pl+po)/3.0); cout<<q/x<<" "<<q%x<<endl; cout<<q/pl<<" "<<q%pl<<endl; cout<<q/po<<" "<<q%po<<endl; return 0; }