[impersonalis]

прошу прощения поторопился:

#include<iostream.h>
#include<conio.h>
#include<math.h>

double GetMax(double m[],int n){
	double max=fabs(m[0]);
	for(int i=1;i<n;i++)
		if(fabs(m[i])>max) max=fabs(m[i]);
	return max;
}

void main(){
	double A[5]={100,1,25.6,700,1};
	double B[6]={12.5,-130,0,335,-7,45.1};
	double rs=GetMax(A,sizeof(A)/8)-GetMax(B,sizeof(B)/8);
	cout<<"A={";
	for(int i=0;i<sizeof(A)/8;i++)
		cout<<A[i]<<"; ";
	cout<<"\b}."<<endl;
	cout<<"B={";
	for(int j=0;j<sizeof(B)/8;j++)
		cout<<B[j]<<"; ";
	cout<<"\b}."<<endl;
	cout<<"rs="<<rs<<endl;
	getch();
}