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Commit e2ef4bd

Browse files
feat: add solutions to lc problem: No.3305 (doocs#4153)
No.3305.Count of Substrings Containing Every Vowel and K Consonants I
1 parent 48f3a19 commit e2ef4bd

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7 files changed

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‎solution/3300-3399/3305.Count of Substrings Containing Every Vowel and K Consonants I/README.md‎

Lines changed: 44 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -291,6 +291,50 @@ function countOfSubstrings(word: string, k: number): number {
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}
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```
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#### Rust
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```rust
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impl Solution {
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pub fn count_of_substrings(word: String, k: i32) -> i32 {
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fn f(word: &Vec<char>, k: i32) -> i32 {
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let mut ans = 0;
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let mut l = 0;
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let mut x = 0;
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let mut cnt = std::collections::HashMap::new();
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let is_vowel = |c: char| matches!(c, 'a' | 'e' | 'i' | 'o' | 'u');
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for (r, &c) in word.iter().enumerate() {
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if is_vowel(c) {
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*cnt.entry(c).or_insert(0) += 1;
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} else {
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x += 1;
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}
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while x >= k && cnt.len() == 5 {
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let d = word[l];
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l += 1;
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if is_vowel(d) {
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let count = cnt.entry(d).or_insert(0);
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*count -= 1;
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if *count == 0 {
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cnt.remove(&d);
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}
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} else {
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x -= 1;
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}
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}
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ans += l as i32;
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}
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ans
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}
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let chars: Vec<char> = word.chars().collect();
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f(&chars, k) - f(&chars, k + 1)
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}
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}
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```
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<!-- tabs:end -->
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<!-- solution:end -->

‎solution/3300-3399/3305.Count of Substrings Containing Every Vowel and K Consonants I/README_EN.md‎

Lines changed: 44 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -289,6 +289,50 @@ function countOfSubstrings(word: string, k: number): number {
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}
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```
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#### Rust
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```rust
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impl Solution {
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pub fn count_of_substrings(word: String, k: i32) -> i32 {
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fn f(word: &Vec<char>, k: i32) -> i32 {
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let mut ans = 0;
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let mut l = 0;
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let mut x = 0;
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let mut cnt = std::collections::HashMap::new();
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let is_vowel = |c: char| matches!(c, 'a' | 'e' | 'i' | 'o' | 'u');
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for (r, &c) in word.iter().enumerate() {
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if is_vowel(c) {
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*cnt.entry(c).or_insert(0) += 1;
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} else {
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x += 1;
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}
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while x >= k && cnt.len() == 5 {
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let d = word[l];
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l += 1;
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if is_vowel(d) {
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let count = cnt.entry(d).or_insert(0);
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*count -= 1;
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if *count == 0 {
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cnt.remove(&d);
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}
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} else {
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x -= 1;
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}
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}
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ans += l as i32;
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}
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ans
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}
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let chars: Vec<char> = word.chars().collect();
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f(&chars, k) - f(&chars, k + 1)
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}
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}
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```
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<!-- tabs:end -->
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<!-- solution:end -->
Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,23 @@
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class Solution:
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def countOfSubstrings(self, word: str, k: int) -> int:
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def f(k: int) -> int:
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cnt = Counter()
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ans = l = x = 0
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for c in word:
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if c in "aeiou":
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cnt[c] += 1
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else:
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x += 1
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while x >= k and len(cnt) == 5:
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d = word[l]
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if d in "aeiou":
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cnt[d] -= 1
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if cnt[d] == 0:
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cnt.pop(d)
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else:
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x -= 1
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l += 1
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ans += l
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return ans
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return f(k) - f(k + 1)
Lines changed: 39 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,39 @@
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impl Solution {
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pub fn count_of_substrings(word: String, k: i32) -> i32 {
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fn f(word: &Vec<char>, k: i32) -> i32 {
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let mut ans = 0;
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let mut l = 0;
6+
let mut x = 0;
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let mut cnt = std::collections::HashMap::new();
8+
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let is_vowel = |c: char| matches!(c, 'a' | 'e' | 'i' | 'o' | 'u');
10+
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for (r, &c) in word.iter().enumerate() {
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if is_vowel(c) {
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*cnt.entry(c).or_insert(0) += 1;
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} else {
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x += 1;
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}
17+
18+
while x >= k && cnt.len() == 5 {
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let d = word[l];
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l += 1;
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if is_vowel(d) {
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let count = cnt.entry(d).or_insert(0);
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*count -= 1;
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if *count == 0 {
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cnt.remove(&d);
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}
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} else {
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x -= 1;
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}
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}
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ans += l as i32;
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}
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ans
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}
35+
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let chars: Vec<char> = word.chars().collect();
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f(&chars, k) - f(&chars, k + 1)
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}
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}

‎solution/3300-3399/3306.Count of Substrings Containing Every Vowel and K Consonants II/README.md‎

Lines changed: 44 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -292,6 +292,50 @@ function countOfSubstrings(word: string, k: number): number {
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}
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```
294294

295+
#### Rust
296+
297+
```rust
298+
impl Solution {
299+
pub fn count_of_substrings(word: String, k: i32) -> i64 {
300+
fn f(word: &Vec<char>, k: i32) -> i64 {
301+
let mut ans = 0_i64;
302+
let mut l = 0;
303+
let mut x = 0;
304+
let mut cnt = std::collections::HashMap::new();
305+
306+
let is_vowel = |c: char| matches!(c, 'a' | 'e' | 'i' | 'o' | 'u');
307+
308+
for (r, &c) in word.iter().enumerate() {
309+
if is_vowel(c) {
310+
*cnt.entry(c).or_insert(0) += 1;
311+
} else {
312+
x += 1;
313+
}
314+
315+
while x >= k && cnt.len() == 5 {
316+
let d = word[l];
317+
l += 1;
318+
if is_vowel(d) {
319+
let count = cnt.entry(d).or_insert(0);
320+
*count -= 1;
321+
if *count == 0 {
322+
cnt.remove(&d);
323+
}
324+
} else {
325+
x -= 1;
326+
}
327+
}
328+
ans += l as i64;
329+
}
330+
ans
331+
}
332+
333+
let chars: Vec<char> = word.chars().collect();
334+
f(&chars, k) - f(&chars, k + 1)
335+
}
336+
}
337+
```
338+
295339
<!-- tabs:end -->
296340

297341
<!-- solution:end -->

‎solution/3300-3399/3306.Count of Substrings Containing Every Vowel and K Consonants II/README_EN.md‎

Lines changed: 44 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -289,6 +289,50 @@ function countOfSubstrings(word: string, k: number): number {
289289
}
290290
```
291291

292+
#### Rust
293+
294+
```rust
295+
impl Solution {
296+
pub fn count_of_substrings(word: String, k: i32) -> i64 {
297+
fn f(word: &Vec<char>, k: i32) -> i64 {
298+
let mut ans = 0_i64;
299+
let mut l = 0;
300+
let mut x = 0;
301+
let mut cnt = std::collections::HashMap::new();
302+
303+
let is_vowel = |c: char| matches!(c, 'a' | 'e' | 'i' | 'o' | 'u');
304+
305+
for (r, &c) in word.iter().enumerate() {
306+
if is_vowel(c) {
307+
*cnt.entry(c).or_insert(0) += 1;
308+
} else {
309+
x += 1;
310+
}
311+
312+
while x >= k && cnt.len() == 5 {
313+
let d = word[l];
314+
l += 1;
315+
if is_vowel(d) {
316+
let count = cnt.entry(d).or_insert(0);
317+
*count -= 1;
318+
if *count == 0 {
319+
cnt.remove(&d);
320+
}
321+
} else {
322+
x -= 1;
323+
}
324+
}
325+
ans += l as i64;
326+
}
327+
ans
328+
}
329+
330+
let chars: Vec<char> = word.chars().collect();
331+
f(&chars, k) - f(&chars, k + 1)
332+
}
333+
}
334+
```
335+
292336
<!-- tabs:end -->
293337

294338
<!-- solution:end -->
Lines changed: 39 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,39 @@
1+
impl Solution {
2+
pub fn count_of_substrings(word: String, k: i32) -> i64 {
3+
fn f(word: &Vec<char>, k: i32) -> i64 {
4+
let mut ans = 0_i64;
5+
let mut l = 0;
6+
let mut x = 0;
7+
let mut cnt = std::collections::HashMap::new();
8+
9+
let is_vowel = |c: char| matches!(c, 'a' | 'e' | 'i' | 'o' | 'u');
10+
11+
for (r, &c) in word.iter().enumerate() {
12+
if is_vowel(c) {
13+
*cnt.entry(c).or_insert(0) += 1;
14+
} else {
15+
x += 1;
16+
}
17+
18+
while x >= k && cnt.len() == 5 {
19+
let d = word[l];
20+
l += 1;
21+
if is_vowel(d) {
22+
let count = cnt.entry(d).or_insert(0);
23+
*count -= 1;
24+
if *count == 0 {
25+
cnt.remove(&d);
26+
}
27+
} else {
28+
x -= 1;
29+
}
30+
}
31+
ans += l as i64;
32+
}
33+
ans
34+
}
35+
36+
let chars: Vec<char> = word.chars().collect();
37+
f(&chars, k) - f(&chars, k + 1)
38+
}
39+
}

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