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y .
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. 1. .
#include <iostream>
#include <cmath>
#include <math.h>
using namespace std;
int main()
{
setlocale(LC_ALL, "Russian"); //
int a = 2, b = 3, c = 5, answer; // a, b, c
double y, x; // x,y
cout << " x 1, 6: ";
cin >> x; // x
if (x<1 || x>=6 || cin.fail()) //
cout << ". 1, 6." << endl;
cin.clear(); // ,
cin.ignore(cin.rdbuf()->in_avail()); // (ignore) (avail) (rdbuf)
while (x<1 || x >= 6) {
cout << " : ";
cin >> x;
if (x<1 || x >= 6 || cin.fail())
cout << ". 1, 6." << endl;
cin.clear();
cin.ignore(cin.rdbuf()->in_avail());
}
//
if (x >= 1 && x < 2)
y = a + b*x + c*x*x;
if (x >= 2 && x < 3)
y = pow((a*sin(b*x)), 2);
if (x >= 3 && x < 4)
y = sqrt(abs(a + b*pow(x, 2))) + c;
if (x >= 4 && x < 5)
y = a*log(abs(b + (c / (2 * x))));
if (x >= 5 && x < 6)
y = exp(a*sin(x)) + pow(c, 3);
cout << " y: " << y << endl; // y
cout << endl;
cout << " ? 1 0 ."<< endl;
cin >> answer;
if (answer > 1) cout << " . 1 0 ." << endl;
while (answer > 1) { //
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cout << " : ";
cin >> answer;
if (answer > 1) cout << " . 1 0 ." << endl;
}
//
switch (answer) {
case 1:
exit(0);
break;
case 0:
system("Pause");
break;
}
return 0;
}
1 , . x (5).
. 2. 1.
2 , , . x (4).
. 3. 2.
++. , , , . . (sqrt()). (exit(0)).
1. .. /++. - -. , 2006.
2. -: http://www.programmersforum.ru/showthread.php?t=98038
3. -: https://cppstudy.wordpress.com/2009/03/27/cin-get-and-co/
4. () 19.701-90
5. .. , , , 2016/2017.
