Finding Maximum or Minimum Value in a Vector in C
In C , obtaining the maximum or minimum value in a vector is a straightforward task. By utilizing STL (Standard Template Library) functions, we can efficiently achieve this without iterating through the entire container.
Using std::max_element() and std::min_element()
The standard library provides the functions std::max_element() and std::min_element() for finding the maximum and minimum elements in a sequence of values, respectively. These functions take a pair of iterators as arguments, signifying the range over which the search should be performed. The return value is an iterator pointing to the element with the maximum/minimum value.
Syntax:
std::max_element(iterator_begin, iterator_end);
std::min_element(iterator_begin, iterator_end);
Example:
#include
#include
std::vector v = {1, 3, 5, 7, 9};
int max_num = *std::max_element(v.begin(), v.end());
int min_num = *std::min_element(v.begin(), v.end());
std::cout Using Arrays vs Vectors
Vectors and arrays are both containers in C . However, vectors are dynamic while arrays are static. Thus, the approach for obtaining the maximum/minimum value is slightly different.
For an array, you can directly access the elements and determine the maximum/minimum value by iterating through the array.
Example:
int arr[] = {1, 3, 5, 7, 9};
int size = sizeof(arr) / sizeof(arr[0]);
int max_num = arr[0];
int min_num = arr[0];
for (int i = 1; i In conclusion, using std::max_element() and std::min_element() is a convenient way to find the maximum and minimum values in a vector. For arrays, you can iterate through the elements to achieve the same result.
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