Програмиране с Rust

Курс във Факултета по Математика и Информатика към СУ

Решение на Сметки с ДНК от Георги Чобанов

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Към профила на Георги Чобанов

Резултати

  • 17 точки от тестове
  • 0 бонус точки
  • 17 точки общо
  • 10 успешни тест(а)
  • 2 неуспешни тест(а)

Код

pub struct NucleotideCounter {
pub a: usize,
pub c: usize,
pub g: usize,
pub t: usize,
}
pub fn counts(dna: &[char]) -> NucleotideCounter {
let mut a_counter = 0 as usize;
let mut c_counter = 0 as usize;
let mut g_counter = 0 as usize;
let mut t_counter = 0 as usize;
for ch in dna {
if ch == &'A' {
a_counter = a_counter + 1;
}
else if ch == &'C' {
c_counter = c_counter + 1;
}
else if ch == &'G' {
g_counter = g_counter + 1;
}
else if ch == &'T' {
t_counter = t_counter + 1;
}
else {
panic!("Ohnonononononono");
}
}
let nc = NucleotideCounter {
a: a_counter,
c: c_counter,
g: g_counter,
t: t_counter,
};
nc

Можеш да посъкратиш този код с използване на match statement, както в другите функции, употреба на += за да не повтаряш променливите, и употреба на nc.a директно вместо отделни променливи.

Андрей
}
pub fn dna_complement(dna: &[char]) -> Vec<char> {
let mut complemented: Vec<char> = Vec::new();
for ch in dna {
let to_put = match ch {
'A' => 'T',
'C' => 'G',
'G' => 'C',
'T' => 'A',
_ => panic!("Ohnonononononono"),
};
complemented.push(to_put);
}
complemented
}
pub fn reverse_rna_complement(dna: &[char]) -> Vec<char> {
let mut rna_complemented: Vec<char> = Vec::new();
let mut rna_reversed: Vec<char> = Vec::new();
for ch in dna {
let to_put = match ch {
'A' => 'U',
'C' => 'G',
'G' => 'C',
'U' => 'A',
_ => panic!("Ohnonononononono"),
};
rna_complemented.push(to_put);
}
while let Some(top) = rna_complemented.pop() {
rna_reversed.push(top);
}
rna_reversed
}

Лог от изпълнението

Compiling solution v0.1.0 (/tmp/d20220112-2706256-f5zmb/solution)
    Finished test [unoptimized + debuginfo] target(s) in 5.80s
     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 ... FAILED
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 ... FAILED

failures:

---- solution_test::test_reverse_rna_complement_big stdout ----
thread 'main' panicked at 'Ohnonononononono', src/lib.rs:66:18

---- solution_test::test_reverse_rna_complement_panic2 stdout ----
note: test did not panic as expected

failures:
    solution_test::test_reverse_rna_complement_big
    solution_test::test_reverse_rna_complement_panic2

test result: FAILED. 10 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

error: test failed, to rerun pass '--test solution_test'

История (1 версия и 2 коментара)