Created
March 18, 2018 05:30
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Fibonacci Rust, rust-lang fibonacci
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| //practice | |
| fn main(){ | |
| println!("-------------------"); | |
| println!("{}",fibo(45)); | |
| println!("-------------------"); | |
| } | |
| fn fibo(n : i32) -> i32 { | |
| let mut sequ = 0; | |
| let mut prev1 = 0; | |
| let mut prev2 = 0; | |
| for number in 0..n+1{ | |
| if number == 0 { | |
| prev1 = 0; | |
| prev2 = 0; | |
| sequ = 0; | |
| } else if number == 1 && prev1 == 0 { | |
| prev1 = 1; | |
| prev2 = 1; | |
| sequ = 1; | |
| }else if number == 2 && prev1 == 1 { | |
| prev1 = 1; | |
| prev2 = 1; | |
| sequ = 1; | |
| }else{ | |
| sequ = prev2 + prev1; | |
| prev2 = prev1; | |
| prev1 = sequ; | |
| } | |
| // println!("{}",sequ); | |
| } | |
| return sequ; | |
| } |
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