Решение на упр.01 задача 2 от Димитър Николов

Обратно към всички решения

Към профила на Димитър Николов

Код

fn check_triangle(a: i32, b: i32, c: i32) -> &'static str {

const INVALID_SIDES: &str = "невалидни страни";

const NOT_A_TRIANGLE: &str = "не е триъгълник";

const EQUILATERAL: &str = "равностранен";

const ISOSCELES: &str = "равнобедрен";

const VERSATILE: &str = "разностранен";

if a <= 0 || b <= 0 || c <= 0 {

return INVALID_SIDES;

}

let valid_triangle = a + b > c && b + c > a && a + c > b;

if !valid_triangle {

return NOT_A_TRIANGLE;

}

if a == b && a == c {

return EQUILATERAL;

}

if a == b || a == c || b == c {

return ISOSCELES;

}

VERSATILE

}

Лог от изпълнението

Updating crates.io index
     Locking 17 packages to latest compatible versions
   Compiling proc-macro2 v1.0.101
   Compiling unicode-ident v1.0.19
   Compiling quote v1.0.41
   Compiling futures-sink v0.3.31
   Compiling futures-core v0.3.31
   Compiling futures-channel v0.3.31
   Compiling memchr v2.7.6
   Compiling syn v2.0.106
   Compiling pin-project-lite v0.2.16
   Compiling futures-task v0.3.31
   Compiling pin-utils v0.1.0
   Compiling futures-io v0.3.31
   Compiling slab v0.4.11
   Compiling solution v0.1.0 (/tmp/d20251016-574132-1rcw5au/solution)
warning: function `check_triangle` is never used
 --> src/lib.rs:1:4
  |
1 | fn check_triangle(a: i32, b: i32, c: i32) -> &'static str {
  |    ^^^^^^^^^^^^^^
  |
  = note: `#[warn(dead_code)]` on by default

warning: `solution` (lib) generated 1 warning
   Compiling futures-macro v0.3.31
   Compiling futures-util v0.3.31
   Compiling futures-executor v0.3.31
   Compiling futures v0.3.31
    Finished `test` profile [unoptimized + debuginfo] target(s) in 8.45s
     Running tests/solution_test.rs (target/debug/deps/solution_test-80bf62783e3de781)

running 1 test
test solution_test::test_basic ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

История (2 версии и 0 коментара)

Димитър качи решение на 09.10.2025 20:40 (преди 21 дена)

fn check_triangle(a: i32, b: i32, c: i32) -> &'static str {

const INVALID_SIDES: &str = "невалидни страни";

const NOT_A_TRIANGLE: &str = "не е триъгълник";

const EQUILATERAL: &str = "равностранен";

const ISOSCELES: &str = "равнобедрен";

const VERSATILE: &str = "разностранен";

if a <= 0 || b <= 0 || c <= 0 {

return INVALID_SIDES;

}

- let valid_triangle = a + b > c || b + c > a || a + c > b;

+ let valid_triangle = a + b > c && b + c > a && a + c > b;

if !valid_triangle {

return NOT_A_TRIANGLE;

}

if a == b && a == c {

return EQUILATERAL;

}

if a == b || a == c || b == c {

return ISOSCELES;

}

VERSATILE

}