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Copy path03.08.ComparingIntegers.cpp
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03.08.ComparingIntegers.cpp
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#include <iostream>
/*
=====================================================================================
03.08. Comparing Integers
by : #bayuyudhasaputra
lang : IDN (Bahasa Indonesia)
-------------------------------------------------------------------------------------
Masalah :
Write a program that prompts the user to enter the edges of a triangle and compares
them. If all edges are equal, display Equilateral Triangle; if only two edges are
equal, display Isosceles Triangle and if none of the edges are equal,
display Scalene Triangle.
======================================================================================
*/
int main()
{
// 1. Input panjang sisi segitiga
double sisi1, sisi2, sisi3;
std::cout << " Input panjang sisi pertama segitiga : ";
std::cin >> sisi1;
std::cout << " Input panjang sisi kedua segitiga : ";
std::cin >> sisi2;
std::cout << " Input panjang sisi ketiga segitiga : ";
std::cin >> sisi3;
// 2. Cek input dari pengguna
if (sisi1 > 0 &&
sisi2 > 0 &&
sisi3 > 0)
{
// 3. Cek kesamaan panjang sisi segitiga dan tampilkan hasilnya.
std::cout << " Segitiga dengan panjang sisi, "
<< sisi1 << ", "
<< sisi2 << ", dan "
<< sisi3;
// Semua panjang sisi sama
if ((sisi1 == sisi2) &&
(sisi1 == sisi3))
{
std::cout << " adalah segitiga samasisi." << std::endl;
}
// Panjang dua sisi sama
else if ((sisi1 == sisi2) ||
(sisi1 == sisi3) ||
(sisi2 == sisi3)
)
{
std::cout << " adalah segitiga samakaki." << std::endl;
}
// Panjang sisi tidak ada yang sama.
else
{
std::cout << " adalah segitiga sembarang." << std::endl;
}
}
else
{
// 3. Tampilkan pesan peringatan
std::cout << "Peringatan : Input bilangan positif saja." << std::endl;
}
return 0;
}
/*
Liang. 2014. Introduction to Programming with C++ 3rd Edition.
London : Pearson Education.
https://www.pearson.com/en-us/subject-catalog/p/Liang-Companion-Website-for-Introduction-to-Programming-with-C-Access-to-Videonotes-3rd-Edition/P200000003422/978013338026
*/