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How to find an element before specific element in forward_list using C++

1 Answer

0 votes
#include <iostream>  
#include <forward_list> 

using std::forward_list;
using std::cout;

int main()
{
	forward_list<int> flist = { 99, 2, 88, 4, 77, 1 };

	auto oneBefore = flist.before_begin();
	for (auto i = flist.begin(); i != flist.end(); i++, oneBefore++) {
		if (*i == 88) {
			cout << *oneBefore << std::endl;
			break;
		}
	}

	return 0;
}

/*
run:

2

*/

 




answered Jan 6 by avibootz
edited Jan 7 by avibootz
...