#include <iostream>
using std::endl;
using std::cin;
using std::cout;
int main () // main
{
int int1; // ,
int int2; // ,
int sum; //
cout << " "<< endl;
cin >> int1; //
cout << " "<< endl;
cin >> int2; //
sum = int1 + int2; //
cout << " " << sum << endl; //
return 0; // main ,
// ,
}
1_8_2. a, b, c.
1
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
Int main()
{
int a, b, c;
cout << "\n a, b, c:";
cin>> a >> b >> c;
if (a>b)
if (a>c) cout<<"max= "<< a << endl;
else cout<<"max= "<< c << endl;
else
if (b>c) cout<<"max= "<< b << endl;
else cout<<"max= "<< c << endl;
system("pause");
return 0;
}
2
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
Int main()
{
int a, b, c;
int max;
cout << "\n a, b, c:";
cin>> a >> b >> c;
max = (a>b)? a: b;
if (c>max) max = c;
cout<<"max= "<< max << endl;
system("pause");
return 0;
}
1_8_3. 5 8
1.
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
Int main()
{
int num, k=0;
cout << "\ n :"; cin >> num;
while (num>0) {
if ((num%10==5)||(num%10==8)) k++;
num/=10;
}
cout<<k<<endl;
system("pause");
return 0;
}
2.
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
Int main()
{
int num, k=0;
cout << "\ n :";
cin >> num;
for (; num>0; num/=10)
if ((num%10==5)||(num%10==8)) k++;
|
|
cout<<k<<endl;
system("pause");
return 0;
}
1_8_4.
1.
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
Int main()
{
int num;
cout << "\n :"; cin>>num;
int half = num/2;
int div=2;
while (div<=half) {
if (!(num%div)) cout <<div<<endl;
div++;
system("pause");
return 0;
}
2.
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
Int main()
{
int num;
cout << "\n :";
cin>>num;
int half, div;
for (half = num/2, div=2; div<=half; ++div)
if (!(num%div)) cout <<div<<endl;
system("pause");
return 0;
}
1_8_5. x Eps :
, , . , Eps.
#include <iostream> // system
#include <stdio.h> // scanf printf
# include < math. h > // fabs ( )
int main () {
double x, Eps; //
double yp, y = 1; //
printf (" : ");
scanf ("%lf%lf", &x, &Eps);
do {
yp = y; y = (yp + x/yp)/2;
} while (fabs(y - yp) >= Eps);
printf ("\n %lf %lf", x, y);
system("pause");
return 0;
}