1#![allow(dead_code)] 2// todo 3 4// n=4^a(8b+7) 5//pub fn num_squares(n: i32) -> i32 { 6// unimplemented!() 7//} 8// 9//#[cfg(test)] 10//mod tests { 11// use super::*; 12// 13// #[test] 14// fn test1() { 15// // assert_eq!(num_squares(12), 3); 16// // assert_eq!(num_squares(13), 2); 17// } 18//}