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Commit dfafcab

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feat: add solutions to lc problem: No.0779
No.0779.K-th Symbol in Grammar
1 parent fac1663 commit dfafcab

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6 files changed

+123
-2
lines changed

6 files changed

+123
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‎solution/0700-0799/0779.K-th Symbol in Grammar/README.md‎

Lines changed: 44 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -63,15 +63,58 @@
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<!-- 这里可写当前语言的特殊实现逻辑 -->
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```python
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class Solution:
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def kthGrammar(self, n: int, k: int) -> int:
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if n == 1:
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return 0
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if k <= (1 << (n - 2)):
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return self.kthGrammar(n - 1, k)
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return self.kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1
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```
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### **Java**
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<!-- 这里可写当前语言的特殊实现逻辑 -->
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```java
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class Solution {
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public int kthGrammar(int n, int k) {
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if (n == 1) {
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return 0;
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}
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if (k <= (1 << (n - 2))) {
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return kthGrammar(n - 1, k);
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}
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return kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1;
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}
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}
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```
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### **C++**
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```cpp
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class Solution {
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public:
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int kthGrammar(int n, int k) {
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if (n == 1) return 0;
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if (k <= (1 << (n - 2))) return kthGrammar(n - 1, k);
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return kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1;
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}
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};
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```
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### **Go**
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```go
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func kthGrammar(n int, k int) int {
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if n == 1 {
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return 0
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}
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if k <= (1 << (n - 2)) {
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return kthGrammar(n-1, k)
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}
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return kthGrammar(n-1, k-(1<<(n-2))) ^ 1
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}
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```
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### **...**

‎solution/0700-0799/0779.K-th Symbol in Grammar/README_EN.md‎

Lines changed: 44 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -56,13 +56,56 @@ row 2: 0<u>1</u>
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### **Python3**
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```python
59-
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class Solution:
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def kthGrammar(self, n: int, k: int) -> int:
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if n == 1:
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return 0
63+
if k <= (1 << (n - 2)):
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return self.kthGrammar(n - 1, k)
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return self.kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1
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```
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### **Java**
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```java
71+
class Solution {
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public int kthGrammar(int n, int k) {
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if (n == 1) {
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return 0;
75+
}
76+
if (k <= (1 << (n - 2))) {
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return kthGrammar(n - 1, k);
78+
}
79+
return kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1;
80+
}
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}
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```
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### **C++**
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```cpp
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class Solution {
88+
public:
89+
int kthGrammar(int n, int k) {
90+
if (n == 1) return 0;
91+
if (k <= (1 << (n - 2))) return kthGrammar(n - 1, k);
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return kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1;
93+
}
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};
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```
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### **Go**
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```go
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func kthGrammar(n int, k int) int {
101+
if n == 1 {
102+
return 0
103+
}
104+
if k <= (1 << (n - 2)) {
105+
return kthGrammar(n-1, k)
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}
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return kthGrammar(n-1, k-(1<<(n-2))) ^ 1
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}
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```
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### **...**
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,8 @@
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class Solution {
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public:
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int kthGrammar(int n, int k) {
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if (n == 1) return 0;
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if (k <= (1 << (n - 2))) return kthGrammar(n - 1, k);
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return kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1;
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}
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};
Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
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func kthGrammar(n int, k int) int {
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if n == 1 {
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return 0
4+
}
5+
if k <= (1 << (n - 2)) {
6+
return kthGrammar(n-1, k)
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}
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return kthGrammar(n-1, k-(1<<(n-2))) ^ 1
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}
Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,11 @@
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class Solution {
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public int kthGrammar(int n, int k) {
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if (n == 1) {
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return 0;
5+
}
6+
if (k <= (1 << (n - 2))) {
7+
return kthGrammar(n - 1, k);
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}
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return kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1;
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}
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}
Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,7 @@
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class Solution:
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def kthGrammar(self, n: int, k: int) -> int:
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if n == 1:
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return 0
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if k <= (1 << (n - 2)):
6+
return self.kthGrammar(n - 1, k)
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return self.kthGrammar(n - 1, k - (1 << (n - 2))) ^ 1

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