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Commit 562b046

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feat: add solutions to lc problem: No.2347
No.2347.Best Poker Hand
1 parent c2a2a53 commit 562b046

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5 files changed

+176
-33
lines changed

5 files changed

+176
-33
lines changed

‎solution/2300-2399/2347.Best Poker Hand/README.md‎

Lines changed: 62 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -177,22 +177,73 @@ func bestHand(ranks []int, suits []byte) string {
177177

178178
```ts
179179
function bestHand(ranks: number[], suits: string[]): string {
180-
let flush = true;
181-
for (let i = 1; i < 5 && flush; ++i) {
182-
flush = suits[i] == suits[i - 1];
183-
}
184-
if (flush) {
180+
if (suits.every(v => v === suits[0])) {
185181
return 'Flush';
186182
}
187-
const cnt = new Array(14).fill(0);
188-
let pair = false;
189-
for (const x of ranks) {
190-
if (++cnt[x] == 3) {
183+
const count = new Array(14).fill(0);
184+
let isPair = false;
185+
for (const v of ranks) {
186+
if (++count[v] === 3) {
191187
return 'Three of a Kind';
192188
}
193-
pair = pair || cnt[x] == 2;
189+
isPair = isPair || count[v] === 2;
190+
}
191+
if (isPair) {
192+
return 'Pair';
193+
}
194+
return 'High Card';
195+
}
196+
```
197+
198+
### **Rust**
199+
200+
```rust
201+
impl Solution {
202+
pub fn best_hand(ranks: Vec<i32>, suits: Vec<char>) -> String {
203+
if suits.iter().all(|v| *v == suits[0]) {
204+
return "Flush".to_string();
205+
}
206+
let mut count = [0; 14];
207+
let mut is_pair = false;
208+
for &v in ranks.iter() {
209+
let i = v as usize;
210+
count[i] += 1;
211+
if count[i] == 3 {
212+
return "Three of a Kind".to_string();
213+
}
214+
is_pair = is_pair || count[i] == 2;
215+
}
216+
(if is_pair { "Pair" } else { "High Card" }).to_string()
217+
}
218+
}
219+
```
220+
221+
### **C**
222+
223+
```c
224+
char *bestHand(int *ranks, int ranksSize, char *suits, int suitsSize) {
225+
bool isFlush = true;
226+
for (int i = 1; i < suitsSize; i++) {
227+
if (suits[0] != suits[i]) {
228+
isFlush = false;
229+
break;
230+
}
231+
}
232+
if (isFlush) {
233+
return "Flush";
234+
}
235+
int count[14] = {0};
236+
bool isPair = false;
237+
for (int i = 0; i < ranksSize; i++) {
238+
if (++count[ranks[i]] == 3) {
239+
return "Three of a Kind";
240+
}
241+
isPair = isPair || count[ranks[i]] == 2;
242+
}
243+
if (isPair) {
244+
return "Pair";
194245
}
195-
return pair?'Pair':'High Card';
246+
return "High Card";
196247
}
197248
```
198249

‎solution/2300-2399/2347.Best Poker Hand/README_EN.md‎

Lines changed: 62 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -158,22 +158,73 @@ func bestHand(ranks []int, suits []byte) string {
158158

159159
```ts
160160
function bestHand(ranks: number[], suits: string[]): string {
161-
let flush = true;
162-
for (let i = 1; i < 5 && flush; ++i) {
163-
flush = suits[i] == suits[i - 1];
164-
}
165-
if (flush) {
161+
if (suits.every(v => v === suits[0])) {
166162
return 'Flush';
167163
}
168-
const cnt = new Array(14).fill(0);
169-
let pair = false;
170-
for (const x of ranks) {
171-
if (++cnt[x] == 3) {
164+
const count = new Array(14).fill(0);
165+
let isPair = false;
166+
for (const v of ranks) {
167+
if (++count[v] === 3) {
172168
return 'Three of a Kind';
173169
}
174-
pair = pair || cnt[x] == 2;
170+
isPair = isPair || count[v] === 2;
171+
}
172+
if (isPair) {
173+
return 'Pair';
174+
}
175+
return 'High Card';
176+
}
177+
```
178+
179+
### **Rust**
180+
181+
```rust
182+
impl Solution {
183+
pub fn best_hand(ranks: Vec<i32>, suits: Vec<char>) -> String {
184+
if suits.iter().all(|v| *v == suits[0]) {
185+
return "Flush".to_string();
186+
}
187+
let mut count = [0; 14];
188+
let mut is_pair = false;
189+
for &v in ranks.iter() {
190+
let i = v as usize;
191+
count[i] += 1;
192+
if count[i] == 3 {
193+
return "Three of a Kind".to_string();
194+
}
195+
is_pair = is_pair || count[i] == 2;
196+
}
197+
(if is_pair { "Pair" } else { "High Card" }).to_string()
198+
}
199+
}
200+
```
201+
202+
### **C**
203+
204+
```c
205+
char *bestHand(int *ranks, int ranksSize, char *suits, int suitsSize) {
206+
bool isFlush = true;
207+
for (int i = 1; i < suitsSize; i++) {
208+
if (suits[0] != suits[i]) {
209+
isFlush = false;
210+
break;
211+
}
212+
}
213+
if (isFlush) {
214+
return "Flush";
215+
}
216+
int count[14] = {0};
217+
bool isPair = false;
218+
for (int i = 0; i < ranksSize; i++) {
219+
if (++count[ranks[i]] == 3) {
220+
return "Three of a Kind";
221+
}
222+
isPair = isPair || count[ranks[i]] == 2;
223+
}
224+
if (isPair) {
225+
return "Pair";
175226
}
176-
return pair?'Pair':'High Card';
227+
return "High Card";
177228
}
178229
```
179230
Lines changed: 24 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,24 @@
1+
char *bestHand(int *ranks, int ranksSize, char *suits, int suitsSize) {
2+
bool isFlush = true;
3+
for (int i = 1; i < suitsSize; i++) {
4+
if (suits[0] != suits[i]) {
5+
isFlush = false;
6+
break;
7+
}
8+
}
9+
if (isFlush) {
10+
return "Flush";
11+
}
12+
int count[14] = {0};
13+
bool isPair = false;
14+
for (int i = 0; i < ranksSize; i++) {
15+
if (++count[ranks[i]] == 3) {
16+
return "Three of a Kind";
17+
}
18+
isPair = isPair || count[ranks[i]] == 2;
19+
}
20+
if (isPair) {
21+
return "Pair";
22+
}
23+
return "High Card";
24+
}
Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,18 @@
1+
impl Solution {
2+
pub fn best_hand(ranks: Vec<i32>, suits: Vec<char>) -> String {
3+
if suits.iter().all(|v| *v == suits[0]) {
4+
return "Flush".to_string();
5+
}
6+
let mut count = [0; 14];
7+
let mut is_pair = false;
8+
for &v in ranks.iter() {
9+
let i = v as usize;
10+
count[i] += 1;
11+
if count[i] == 3 {
12+
return "Three of a Kind".to_string();
13+
}
14+
is_pair = is_pair || count[i] == 2;
15+
}
16+
(if is_pair { "Pair" } else { "High Card" }).to_string()
17+
}
18+
}
Lines changed: 10 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -1,18 +1,17 @@
11
function bestHand(ranks: number[], suits: string[]): string {
2-
let flush = true;
3-
for (let i = 1; i < 5 && flush; ++i) {
4-
flush = suits[i] == suits[i - 1];
5-
}
6-
if (flush) {
2+
if (suits.every(v => v === suits[0])) {
73
return 'Flush';
84
}
9-
const cnt = new Array(14).fill(0);
10-
let pair = false;
11-
for (const x of ranks) {
12-
if (++cnt[x]== 3) {
5+
const count = new Array(14).fill(0);
6+
let isPair = false;
7+
for (const v of ranks) {
8+
if (++count[v]=== 3) {
139
return 'Three of a Kind';
1410
}
15-
pair = pair || cnt[x] == 2;
11+
isPair = isPair || count[v] === 2;
12+
}
13+
if (isPair) {
14+
return 'Pair';
1615
}
17-
return pair ? 'Pair' : 'High Card';
16+
return 'High Card';
1817
}

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