How many times is the function recursive_min_element() called when the following code is executed? int min_of_two(int a, int b) { if(a < b) return a; return b; } int recursive_min_element(int *arr, int len, int idx) { if(idx == len - 1) return arr[idx]; return min_of_two(arr[idx], recursive_min_element(arr, len, idx + 1)); } int main() { int n = 10, idx = 0, arr[] = {5,2,6,7,8,9,3,-1,1,10}; int min_element = recursive_min_element(arr,n,idx); printf("%d",min_element); return 0; }

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