Merge pull request #2698 from sxdtywm/patch-6

Update 0106.岛屿的周长.md for python go

problems/kamacoder/0106.岛屿的周长.md

@@ -216,8 +216,131 @@ public class Main {
 
 ### Python
 
+```python
+
+def main():
+    import sys
+    input = sys.stdin.read
+    data = input().split()
+    
+    # 读取 n 和 m
+    n = int(data[0])
+    m = int(data[1])
+    
+    # 初始化 grid
+    grid = []
+    index = 2
+    for i in range(n):
+        grid.append([int(data[index + j]) for j in range(m)])
+        index += m
+    
+    sum_land = 0    # 陆地数量
+    cover = 0       # 相邻数量
+
+    for i in range(n):
+        for j in range(m):
+            if grid[i][j] == 1:
+                sum_land += 1
+                # 统计上边相邻陆地
+                if i - 1 >= 0 and grid[i - 1][j] == 1:
+                    cover += 1
+                # 统计左边相邻陆地
+                if j - 1 >= 0 and grid[i][j - 1] == 1:
+                    cover += 1
+                # 不统计下边和右边，避免重复计算
+    
+    result = sum_land * 4 - cover * 2
+    print(result)
+
+if __name__ == "__main__":
+    main()
+
+
+```
+
 ### Go
 
+```go
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Scan()
+	line := scanner.Text()
+	
+	n, m := parseInput(line)
+
+	// 初始化 grid
+	grid := make([][]int, n)
+	for i := range grid {
+		grid[i] = make([]int, m)
+	}
+
+	// 读入 grid 数据
+	for i := 0; i < n; i++ {
+		scanner.Scan()
+		line := scanner.Text()
+		values := parseLine(line, m)
+		for j := 0; j < m; j++ {
+			grid[i][j] = values[j]
+		}
+	}
+
+	sum := 0   // 陆地数量
+	cover := 0 // 相邻数量
+
+	for i := 0; i < n; i++ {
+		for j := 0; j < m; j++ {
+			if grid[i][j] == 1 {
+				sum++ // 统计总的陆地数量
+
+				// 统计上边相邻陆地
+				if i-1 >= 0 && grid[i-1][j] == 1 {
+					cover++
+				}
+				// 统计左边相邻陆地
+				if j-1 >= 0 && grid[i][j-1] == 1 {
+					cover++
+				}
+				// 为什么没统计下边和右边？ 因为避免重复计算
+			}
+		}
+	}
+
+	fmt.Println(sum*4 - cover*2)
+}
+
+// parseInput 解析 n 和 m
+func parseInput(line string) (int, int) {
+	parts := strings.Split(line, " ")
+	n, _ := strconv.Atoi(parts[0])
+	m, _ := strconv.Atoi(parts[1])
+	return n, m
+}
+
+// parseLine 解析一行中的多个值
+func parseLine(line string, count int) []int {
+	parts := strings.Split(line, " ")
+	values := make([]int, count)
+	for i := 0; i < count; i++ {
+		values[i], _ = strconv.Atoi(parts[i])
+	}
+	return values
+}
+
+
+```
+
+
 ### Rust
 
 ### Javascript