Answers for "check if element in std vector"

C++

1

check if element in std vector

#include <iostream>
#include <vector>
#include <algorithm>
 
int main()
{
    std::vector<int> v = { 4, 7, 5, 2, 6, 9 };
    int key = 6;
 
    if (std::count(v.begin(), v.end(), key))
        std::cout << "Element found";
    else
        std::cout << "Element not found";
 
    return 0;
}

Posted by: Guest on September-19-2020

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