UVA 11777 (Automate the Grades)

/***
	Md. Nazmul Hasan
	Shahjalal University of Science & Technology,Sylhet.
	hasan08sust@gmail.com
	***/
	#include<iostream>
	#include<cstdio>
	#include<stack>
	#include<queue>
	#include<map>
	#include<vector>
	#include<algorithm>
	#include<cstring>
	#include<sstream>
	#include<cmath>
	#include <iomanip>
	using namespace std ;
	typedef long long ll ;
	typedef int in ;
	typedef unsigned long long ull ;
	const double pi = 2*acos(0) ;
	#define maxi 40000
	#define pf printf
	#define sc scanf
	#define pb push_back
	#define MEM(x,y) (memset((x),(y),sizeof(x)))
	#define MIN(x,y) ((x) < (y) ? (x) : (y))
	#define MAX(x,y) ((x) > (y) ? (x) : (y))
	#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
	#define new_line pf("\n")
	#define clear_data(array) memset(array,0,sizeof(array))
	#define highest_int 2147483647
	int main()
	{
	int test,cs=1;
	sc("%d",&test);
	float Term1,Term2,Final,Attendance,Class_Test1,Class_Test2,Class_Test3;
	float max1, max2,avg,total;
	while(test--){
	sc("%f %f %f %f %f %f %f",&Term1,&Term2,&Final,&Attendance,&Class_Test1,&Class_Test2,&Class_Test3);
	if(Class_Test1 >= Class_Test3 && Class_Test2 >= Class_Test3){
	avg = (Class_Test1 + Class_Test2)/2.0 ;
	}else if(Class_Test1 >= Class_Test2 && Class_Test3 >= Class_Test2){
	avg = (Class_Test1 + Class_Test3)/2.0 ;
	}else if(Class_Test2 >= Class_Test1 && Class_Test3 >= Class_Test1){
	avg = (Class_Test2 + Class_Test3)/2.0 ;
	}
	total = Term1 + Term2+Final+Attendance+avg;
	pf("Case %d:",cs++);
	if(total>= 90.0){
	pf(" A\n");
	}else if(total >=80.0 && total <90.0){
	pf(" B\n");
	}else if(total >=70.0 && total <80.0){
	pf(" C\n");
	}else if(total >=60.0 && total <70.0){
	pf(" D\n");
	}else if(total <60.0){
	pf(" F\n");
	}
	}
	return 0;
	}