Find the first element in the range (first, last + 1) that matches value : Algorithm « vector « C++ Tutorial

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C++ Tutorial » vector » Algorithm

16.32.13.Find the first element in the range (first, last + 1) that matches value

#include <iostream>

#include <algorithm>



using namespace std ;



int main(void)

 {

   const int ARRAY_SIZE = 8;

   int IntArray[ARRAY_SIZE] = { 1, 2, 3, 4, 4, 5, 6, 7 };

   int *location ;  //stores the position of the first matching element.

   int i;

   int value = 4;



   // print content of IntArray

   for (i = 0; i < ARRAY_SIZE; i++)

     cout << IntArray[i] << ", ";



   //Find the first element in the range (first, last + 1) that matches value.

   location = find(IntArray, IntArray + ARRAY_SIZE, value);

   

   //print the matching element if any was found

   if (location != IntArray + ARRAY_SIZE)  

     cout << "First element that matches " << value << " is at location "

     << (location - IntArray) << endl;

   else                    

     cout << "The sequence does not contain any elements with value " << value << endl;

}

16.32.Algorithm
	16.32.1.	Using the for_each() Algorithm
	16.32.2.	find_if, bind2nd and greater_equal
	16.32.3.	Mutating Sequence Algorithm
	16.32.4.	Use the count_if algorithm with the unary predicate IsEven
	16.32.5.	Use count to determine the number of '0's in the vector
	16.32.6.	merge the elements of NumbersVestor and NumbersList and place the results in NumbersDeque
	16.32.7.	shuffle the elements in a random order
	16.32.8.	Fill elements in a vector with custom generator
	16.32.9.	random number generation in quantitative finance
	16.32.10.	Inner product of a vector and another vector
	16.32.11.	The adjacent difference of the vector
	16.32.12.	for_each element in a vector apply custom function
	16.32.13.	Find the first element in the range (first, last + 1) that matches value

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