Demonstrate count_if(). : Vector « Data Structure « C++

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C++ » Data Structure » Vector Screenshots  Demonstrate count_if(). #include <iostream> #include <vector> #include <algorithm> using namespace std; bool isEven(int i)  {   return !(i%2); } int main() {   vector<int> vectorObject;   int i;   for(i =1; i < 20; i++)       vectorObject.push_back(i);   cout << "Sequence:\n";   for(i = 0; i <vectorObject.size(); i++)     cout << vectorObject[i] << " ";   cout << endl;   i = count_if(vectorObject.begin(), vectorObject.end(), isEven);   cout << i << " numbers are evenly divisible by 2.\n";   return 0; }                     Related examples in the same category 1. Perform an in-place merge for two vectors 2. Using Other Search functions 3. Matching Elements Using the equals and mismatch Operations 4. Creating and Resizing Vectors 5. Demonstrate count and count_if. 6. Demonstrate remove_copy in Vector 7. Access a vector using an iterator. 8. Demonstrate insert and erase. 9. Store a class object in a vector. 10. Demonstrate allocator's max_size() fucntion in vector 11. Demonstrate count() in vector 12. Demonstrate reverse in vector 13. Demonstrate insert_iterator in vector 14. Demonstrate adjacent_difference() in vector 15. Demonstrate inner_product() in vector 16. Demonstrate partial_sum() in Vector 17. Storing Class Objects with overloaded operators in a Vector 18. Vector Init Array 19. Use istream_iterator with the copy algorithm 20. Demonstrate remove_copy and replace_copy. 21. Vector: Insert Erase Sort 22. Demonstrate accumulate() in vector 23. end() in vector 24. Use pop_back() and empty(). 25. Access the elements of a vector through an iterator. 26. The basic operation of a vector: size, push_back, 27. Accessing a Vector Through an Iterator 28. Use istream_iterator to read various data types 29. Create permutations based on vector 30. Work with heaps: make_heap from vector 31. Demonstrating the four ways that vectors can be created. 32. Vector Capacity vs size 33. Using clear()