一般的なC ++

STD ::ヘッダファイルアルゴリズムにおけるSTLの逆（）関数

// CPP program to illustrate 
// std::reverse() function of STL 
#include<iostream> 
#include<algorithm> 
#include<vector> 
using namespace std; 

int main() 
{ 	
	// Reversing directly from beginning to end 
	cout << "\nReverse full array:\n"; 
	
	int a[] = {4, 5, 6, 7}; 
	std::reverse(std::begin(a), std::end(a)); 

	// Print the array 
	std::cout << a[0] << a[1] << a[2] << a[3] << '\n'; 
	
	vector <int> v ; 
	// Inserting elements in vector 
	for (int i = 0; i < 8; i++) 
		v.push_back(i+10); 
	
	cout << "Reverse only from index 5 to 7 in array:\n"; 
	// Reversing elements from index 5 to index 7 
	reverse(v.begin() + 5, v.begin() + 8); 
	
	// Displaying elements of vector 
	vector <int> :: iterator it; 
	
	for (it = v.begin(); it != v.end(); it++) 
		cout << (*it) << " "; 
	return 0; 
}