Question

How to search a list for specific value and get the index in C++

Answer 1

#include <iostream>
#include <list>

using std::list;
using std::cout;
using std::endl;

int main()
{
	list<int> lst{ 1, 3, 8, 23, 88, 12, 99, 7 };

	list<int>::iterator pos;

	pos = find(lst.begin(), lst.end(), 88);

	if (pos != lst.end()) {
		cout << "found in index: " << distance(lst.begin(), pos) << endl;
	}
	else {
		cout << "not found" << endl;
	}
}


/*
run:

found in index: 4

*/

 

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