fix: update go code

Author: yanglbme

solution/3500-3599/3528.Unit Conversion I/README.md

@@ -170,27 +170,27 @@ public:
 
 ```go
 func baseUnitConversions(conversions [][]int) []int {
- const mod = int(1e9 + 7)
- n := len(conversions) + 1
-
- g := make([][]struct{ t, w int }, n)
- for _, e := range conversions {
-  s, t, w := e[0], e[1], e[2]
-  g[s] = append(g[s], struct{ t, w int }{t, w})
- }
-
- ans := make([]int, n)
-
- var dfs func(s int, mul int)
- dfs = func(s int, mul int) {
-  ans[s] = mul
-  for _, e := range g[s] {
-   dfs(e.t, mul*e.w%mod)
-  }
- }
-
- dfs(0, 1)
- return ans
+	const mod = int(1e9 + 7)
+	n := len(conversions) + 1
+
+	g := make([][]struct{ t, w int }, n)
+	for _, e := range conversions {
+		s, t, w := e[0], e[1], e[2]
+		g[s] = append(g[s], struct{ t, w int }{t, w})
+	}
+
+	ans := make([]int, n)
+
+	var dfs func(s int, mul int)
+	dfs = func(s int, mul int) {
+		ans[s] = mul
+		for _, e := range g[s] {
+			dfs(e.t, mul*e.w%mod)
+		}
+	}
+
+	dfs(0, 1)
+	return ans
 }
 ```
 

solution/3500-3599/3528.Unit Conversion I/README_EN.md

@@ -168,27 +168,27 @@ public:
 
 ```go
 func baseUnitConversions(conversions [][]int) []int {
- const mod = int(1e9 + 7)
- n := len(conversions) + 1
-
- g := make([][]struct{ t, w int }, n)
- for _, e := range conversions {
-  s, t, w := e[0], e[1], e[2]
-  g[s] = append(g[s], struct{ t, w int }{t, w})
- }
-
- ans := make([]int, n)
-
- var dfs func(s int, mul int)
- dfs = func(s int, mul int) {
-  ans[s] = mul
-  for _, e := range g[s] {
-   dfs(e.t, mul*e.w%mod)
-  }
- }
-
- dfs(0, 1)
- return ans
+	const mod = int(1e9 + 7)
+	n := len(conversions) + 1
+
+	g := make([][]struct{ t, w int }, n)
+	for _, e := range conversions {
+		s, t, w := e[0], e[1], e[2]
+		g[s] = append(g[s], struct{ t, w int }{t, w})
+	}
+
+	ans := make([]int, n)
+
+	var dfs func(s int, mul int)
+	dfs = func(s int, mul int) {
+		ans[s] = mul
+		for _, e := range g[s] {
+			dfs(e.t, mul*e.w%mod)
+		}
+	}
+
+	dfs(0, 1)
+	return ans
 }
 ```