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  1. fn main() {
  2.     let x: i64 = -3;
  3.     let a = x.abs();
  4.     println!("a = {}", a);
  5.     let p = 12;
  6.     let q = 18;
  7.     let g = {
  8.         fn gcd(x: i64, y: i64) -> i64 {
  9.             if y == 0 {
  10.                 x
  11.             } else {
  12.                 gcd(y, x % y)
  13.             }
  14.         }
  15.         gcd(p, q)
  16.     };
  17.     println!("g = {}", g);
  18.     let n = 3;
  19.     let z = q.pow(n);
  20.     println!("z = {}", z);
  21.     let r = {
  22.         fn mod_pow(x: i64, y: i64, z: i64) -> i64 {
  23.             if y == 0 {
  24.                 1
  25.             } else {
  26.                 let h = mod_pow(x, y / 2, z);
  27.                 let res = (h * h) % z;
  28.                 if y % 2 == 0 {
  29.                     res
  30.                 } else {
  31.                     (res * x) % z
  32.                 }
  33.             }
  34.         }
  35.         mod_pow(q, 1_000_000_005, 1_000_000_007)
  36.     };
  37.     println!("r = {}", r);
  38.     let s = (q as f64).sqrt();
  39.     println!("s = {}", s);
  40. }
  41.  
Success #stdin #stdout 0s 4408KB
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stdout
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a = 3
g = 6
z = 5832
r = 55555556
s = 4.242640687119285
https://ideone.com/ziapsL
math
language:
Rust (rust 1.56)
created:
4 years ago
visibility:
public

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