Int main()
{
char c=122;
int a,b;
cin>>a;
for(b=0;b<a;b++,c--)
cout<<c<<endl;
system("pause");
return 0;
}
15)
a)
#include<iostream>
using namespace std;
Int main()
{
for(double a=21,b=19.2;a > 9;)
std::cout << a-- << ' ' << b-- << std::endl;
system("pause");
return 0;
}
b)
#include<iostream>
using namespace std;
Int main()
{
for(double a = 45,b = 44.5,c = 44.2;a > 24;)
std::cout << a-- << ' ' << b-- << ' ' << c-- << ' ' << std::endl;
system("pause");
return 0;
}
16)
#include <iostream>
#include <cstdlib>
#include <iomanip>
#include <ctime>
using namespace std;
Int main()
{
setlocale(0, "rus");
const int size = 5;
srand((unsigned)time(NULL));
int matrix[size][size];
int i, j;
int s, k;
for ( i = 0; i < size; i++)
for ( j = 0; j < size; j++)
matrix[i][j] = rand() % 100;
for ( i = 0; i < size; i++)
for ( j = 0; j < size; j++)
{
if(j % size == 0)
cout << endl;
cout << setw(3) << matrix[i][j];
}
cout << endl << endl;
cout << "Элементы 5 строки " << endl;
for ( j = 0; j < size; j++)
cout << matrix[4][j] << " ";
cout << endl;
cout << "Введите s ( 1 - 5) " << endl;
cin >> s;
cout << "Элементы s столбца " << endl;
for ( i = 0; i < size; i++)
cout << matrix[i][s-1] << " ";
cout << endl;
system("Pause");
}
17)
#include<iostream>
using namespace std;
Int main()
{
float a,b,c;
a=1;
b=13;
c=49;
cout<<a<<" " <<b<<" "<<c<<endl;
system("pause");
return 0;
}
18)
#include <iostream>
using namespace std;
Int main()
{
int i=100;
for(i=100;i<1000;i++)
if(i%47==43 || i%43==47)
{ cout<<i<<endl;}
system("pause");
return 0;
}
19)
#include <iostream>
#include <cmath>
using namespace std;
Int main ()
{
const double PI = 3.141593;
int n,i;
double* s = NULL;
cout << "Vvedite kolichestvo krugov n = ";
cin >> n;
s = new double [n];
for (int i = 0; i < n; ++i)
{
cout << "Vvedite ploschad\' kruga S" << i+1 << " = ";
cin >> s[i];
}
double min = s[0];
int x = 0;
for (i = 0; i < n; ++i)
{
if (min > s[i])
{
min = s[i];
x = i;
}
}
double r = sqrt ((double)(min/PI));
cout << "Ploschad\' kruga R" << x+1 << " = " << r << "\n";
free (s);
system("pause");
return 0;
}
20)
#include <iostream>
#include <math.h>
using namespace std;