#include <stdio.h>
#include <math.h>
#include <conio.h>
#include <stdlib.h>

int main()
{

float a, b, rezult;
	a = 1000;
	b = 0.0001;
        rezult = (pow(a + b,2) - (pow(a,2) + (2 * a * b))) / pow(b,2);
printf("%4.4f \n" ,rezult);
		system("PAUSE");
}

printf("%2.16f \n" ,rezult);

#include <iostream.h>
#include <math.h>
#include <conio.h>
int main()
{
int m,n,S1,S2;
	cout<<"Zadanie pervoe:\n";
	cout<<"Vvedi m\n";
	cin>>m;
	cout<<"Vvedi n\n";
	cin>>n;
		S1=--m-++n;
		cout<<"S1="<<S1<<endl;

   cout<<"\n Zadanie vtoroe\n";
   cout<<"Vvedi m\n";
   cin>>m;
   cout<<"Vvedi n\n";
   cin>>n;
   S2=m*n;
	cout<<"S2="<<S2<<endl;
		cout<<"n++ ="<<n++<<endl;
	 ???????????????????????????????
   cout<<"\n Zadanie tretye\n";
   cout<<"Vvedi m\n";
   cin>>m;
   cout<<"Vvedi n\n";
   cin>>n;
	cout<<"n-- ="<<n--<<endl;
		cout<<"m++ ="<<m++<<endl;
	 ?????????????????????????????????
getch();
}

#include <iostream.h>
#include <math.h>
#include <conio.h>
int main()
{
int m,n,S;
	cout<<"Zadanie pervoe:\n";
	cout<<"Vvedi m\n";
	cin>>m;
	cout<<"Vvedi n\n";
	cin>>n;
		S=--m-++n;
		cout<<"S = "<<S1<<endl;

   cout<<"\n Zadanie vtoroe\n";
   cout<<"Vvedi m\n";
   cin>>m;
   cout<<"Vvedi n\n";
   cin>>n;
   m*n<n++;
	cout<<"m*n = "<<m*n<<endl;
		cout<<"n++ = "<<n++<<endl;

   cout<<"\n Zadanie tretye\n";
   cout<<"Vvedi m\n";
   cin>>m;
   cout<<"Vvedi n\n";
   cin>>n;
   n-->m++;
	cout<<"n-- = "<<n--<<endl;
		cout<<"m++ = "<<m++<<endl;

getch();
}

Цитата(Провинциалка @ 24.04.2011 14:39)

   cout<<"\n Zadanie vtoroe\n";
   cout<<"Vvedi m\n";
   cin>>m;
   cout<<"Vvedi n\n";
   cin>>n;
   cout<<"m*n<n++ = " << m*n<n++ <<endl;

(cout<<("m*n<n++ = " << m*n))<(n++ <<endl);

cout<<"m*n<n++ = " << (m*n<n++) <<endl;

cout<<"\n Zadanie tretye\n";
   cout<<"Vvedi m\n";
   cin>>m;
   cout<<"Vvedi n\n";
   cin>>n;
   n-->m++;
	cout<<"n-- > m++ = "<< (n-->m++) <<endl;
		cout<<"m++ = "<<m++<<endl;

    cout<<"Vvedi m\n";
    cin>>m; // Ввела значение m
    cout<<"Vvedi n\n";
    cin>>n; // Ввела значение n

    n-->m++;
    // Вот тут начинаются проблемы.
    // Это - бессмыслица. Ты ничему не присваиваешь результат сравнения.
    // Синтаксически все правильно, но с точки зрения логики - нет. Зачем
    // что-то делать, и при этом результат не использовать? Но это еще не все, см. ниже почему.

    cout<<"n-- > m++ = "<< (n-->m++) <<endl;
    cout<<"m++ = "<<m++<<endl;

	cout<<"Vvedi m\n";
	cin>>m; 
	cout<<"Vvedi n\n";
	cin>>n;
	cout<<"n-- > m++ = "<< (n-->m++) <<endl;
	cout << "n = " << n << " m = " << m << endl;

cout << "n = " << n << " m = " << m << endl;

cout << "m*n = " << m*n << "n++ = " << n++ << endl;

cout << "m*n = " << m*n << "n++ = " << n++ << endl;

cout<<"m*n<n++ = " << m*n<n++ <<endl;

cout << "m*n = " << m*n << "n = " << n << endl;
cout<<"m*n<n++ = " << (m*n<n++) <<endl;