Add: Generate a String With Characters That Have Odd Counts

Author: Shuo

problems/generate-a-string-with-characters-that-have-odd-counts/generate_a_string_with_characters_that_have_odd_counts.go

@@ -0,0 +1,12 @@
+package problem1374
+
+func generateTheString(n int) string {
+	b := make([]byte, n)
+	for i := 0; i < n; i++ {
+		b[i] = 'x'
+	}
+	if n%2 == 0 {
+		b[n-1] = 'y'
+	}
+	return string(b)
+}

problems/generate-a-string-with-characters-that-have-odd-counts/generate_a_string_with_characters_that_have_odd_counts_test.go

@@ -0,0 +1,35 @@
+package problem1374
+
+import "testing"
+
+type testType struct {
+	in   int
+	want string
+}
+
+func TestGenerateTheString(t *testing.T) {
+	tests := [...]testType{
+		{
+			in:   4,
+			want: "xxxy",
+		},
+		{
+			in:   2,
+			want: "xy",
+		},
+		{
+			in:   7,
+			want: "xxxxxxx",
+		},
+		{
+			in:   30,
+			want: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxy",
+		},
+	}
+	for _, tt := range tests {
+		got := generateTheString(tt.in)
+		if got != tt.want {
+			t.Fatalf("in: %v, got: %v, want: %v", tt.in, got, tt.want)
+		}
+	}
+}