#include <iostream>
#include <vector>
using namespace std;
 
int main() {
 
	vector<int> A =    {1, 2, 3, 4, 0, -1};
	vector<int> flag = {0, 0, 1, 0, 1, 1};
 
	size_t index = -1;
	int min_value = 0;
	for(size_t i = 0; i < A.size(); ++i) {
		if ((flag[i] == 0) && (index == -1 || A[i] < min_value)) {
			index = i;
			min_value = A[i];
		}	
	}
 
	if (index == -1) {
		cout << "not found";
	}
	else {
		cout << "min is A[" << index << "]: " << A[index];
	}
 
	return 0;
}

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