Решение на Сметки с ДНК от Аристотелис Папанис

Обратно към всички решения

Към профила на Аристотелис Папанис

Код

pub struct NucleotideCounter {

pub a: usize,

pub c: usize,

pub g: usize,

pub t: usize,

}

pub fn counts(dna: &[char]) -> NucleotideCounter {

let mut counter_a = 0;

let mut counter_c = 0;

let mut counter_g = 0;

let mut counter_t = 0;

for char in dna {

match char{

'A'=>counter_a = counter_a +1,

'C'=>counter_c = counter_c +1,

'G'=>counter_g = counter_g +1,

'T'=>counter_t = counter_t +1,

_=>panic!("Грешка при броене"),

}

}

NucleotideCounter{

a:counter_a,

c:counter_c,

g:counter_g,

t:counter_t,

}

}

Не мисля, че си заслужава да отделяш индивидуални променливи за counter-а. Можеш вместо това да си направиш един (mutable) counter, и да ползваш += за по-кратко -- counter.a += 1.

Андрей коментира преди почти 4 години

pub fn dna_complement(dna: &[char]) -> Vec<char> {

let mut vec = Vec::new();

for char in dna {

match char{

'A'=>vec.push('T'),

'C'=>vec.push('G'),

'G'=>vec.push('C'),

'T'=>vec.push('A'),

_=>panic!("Грешка ДНК"),

}

}

vec

}

pub fn reverse_rna_complement(dna: &[char]) -> Vec<char> {

let mut vec = Vec::new();

for char in dna {

match char{

'A'=>vec.push('U'),

'C'=>vec.push('G'),

'G'=>vec.push('C'),

'T'=>vec.push('A'),

_=>panic!("Грешка РНК"),

}

}

vec.reverse();

vec

}

Лог от изпълнението

Compiling solution v0.1.0 (/tmp/d20220112-2706256-2wt2ck/solution)
    Finished test [unoptimized + debuginfo] target(s) in 5.56s
     Running tests/solution_test.rs (target/debug/deps/solution_test-4c880d3f0adaac34)

running 12 tests
test solution_test::test_counts_basic ... ok
test solution_test::test_counts_big ... ok
test solution_test::test_counts_panic1 - should panic ... ok
test solution_test::test_counts_panic2 - should panic ... ok
test solution_test::test_counts_zero ... ok
test solution_test::test_dna_complement_big ... ok
test solution_test::test_dna_complement_empty ... ok
test solution_test::test_dna_complement_panic - should panic ... ok
test solution_test::test_reverse_rna_complement_big ... ok
test solution_test::test_reverse_rna_complement_empty ... ok
test solution_test::test_reverse_rna_complement_panic1 - should panic ... ok
test solution_test::test_reverse_rna_complement_panic2 - should panic ... ok

test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

История (1 версия и 2 коментара)