# yo-compiler ```c package main type Any struct { x,y int; arr [8]int; }; fn main() int { arr := [8]int{}; return nqueen(0, 0, arr[:]); }; fn fib(n int) int{ if n <= 1 { return n; }; return fib(n-1) + fib(n-2); }; fn nqueen(r,ans int, arr []int) int{ if r == len(arr) { return ans + 1; }; for c:=0; c < len(arr); c=c+1{ arr[r] = c; if canput(r, arr) { ans = nqueen(r+1, ans, arr); }; }; return ans; }; fn canput(r int, arr []int) bool { for i:=0; i < r; i=i+1 { if arr[r] == arr[i] || abs(arr[r] - arr[i]) == abs(r - i) { return false; }; }; return true; }; fn abs(x int) int { if x < 0 { return x * -1; }; return x; }; ```