include
int main()
{
std::cout << “Hello, World!\n”;
}
タグ: C++
C++ 関数の宣言
include <iostream>
using namespace std;
int numOfDivisors(int num) {
int count = 0;
for (int i = 1; i <= num; ++i) {
if (num % i == 0) {
count++;
}
}
return count;
}
int main() {
// Count the divisors for numbers from 10 to 20
for (int n = 10; n <= 20; ++n) {
int result = numOfDivisors(n);
std::cout << “Number of divisors for ” << n << ” is: ” << result << std::endl;
}
std::cout << “Hello World!\n”;
}
C++ 変数
include<iostream>
using namespace std;
int main()
{
int maou;
maou = 0;
cout << "maou = " << maou << endl;
maou = 5;
cout << "maou * 2 = " << maou * 2 << endl;
return 0;}
C++ 計算
include<iostream>
using namespace std;
int main()
{
cout << “9 / 2 = ” << 9 / 2 << endl;
cout << “9 % 2 = ” << 9 % 2 << endl;
cout << “2 + 2 * 4 = ” << 2 + 2 * 4 << endl;
cout << “(1 – 5) / 2 = ” << (1 – 5) / 2 << endl;
return 0;
}