#include<iostream>
#include<iomanip>
#define _USE_MATH_DEFINES
#include<cmath>
using namespace std;
int main()
{
double a, b, c, alfa, beta, gamma;
cout <<"a="; cin >> a;
cout <<"b="; cin >> b;
cout <<"c="; cin >> c;
if (a+b>c && a+c>b && b+c>a)
{
alfa = acos((b*b+c*c-a*a)/(2*b*c))*180/M_PI;
beta = acos((a*a+c*c-b*b)/(2*a*c))*180/M_PI;
gamma = acos((a*a+b*b-c*c)/(2*a*b))*180/M_PI;
cout <<"Angles in degrees:\n";
cout <<setprecision(3)<<fixed<< "alfa=" << alfa << " beta=" << beta << " gamma=" << gamma << endl;
}
else cout << "Triangle absent\n";
system("pause");
return 0;
}
begin
a := 0;
b := 1;
while x > 0 do
begin
a := a + 1;
b := b * (x mod 100);
x := x div 100;
end;
end;
var
x, a, b: integer;
begin
for x := 10000 to 2000000000 do
begin
GetAB(x, a, b);
if (a = 3) and (b = 18) then
Println(a, b, x);
end;
end.
выдает такие значения
3 18 10118
3 18 10209
3 18 10306
3 18 10603
3 18 10902
3 18 11801
3 18 20109
3 18 20303
3 18 20901
3 18 30106
3 18 30203
3 18 30302
3 18 30601
3 18 60103
3 18 60301
3 18 90102
3 18 90201
3 18 180101
Выделенное наибольшее