Merge pull request #775 from openset/develop

A: Remove Palindromic Subsequences

Author: Shuo

problems/remove-palindromic-subsequences/remove_palindromic_subsequences.go

@@ -0,0 +1,13 @@
+package problem1332
+
+func removePalindromeSub(s string) int {
+	if s == "" {
+		return 0
+	}
+	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
+		if s[i] != s[j] {
+			return 2
+		}
+	}
+	return 1
+}

problems/remove-palindromic-subsequences/remove_palindromic_subsequences_test.go

@@ -0,0 +1,39 @@
+package problem1332
+
+import "testing"
+
+type testType struct {
+	in   string
+	want int
+}
+
+func TestRemovePalindromeSub(t *testing.T) {
+	tests := [...]testType{
+		{
+			in:   "ababa",
+			want: 1,
+		},
+		{
+			in:   "abb",
+			want: 2,
+		},
+		{
+			in:   "baabb",
+			want: 2,
+		},
+		{
+			in:   "",
+			want: 0,
+		},
+		{
+			in:   "aaabbbaaabbb",
+			want: 2,
+		},
+	}
+	for _, tt := range tests {
+		got := removePalindromeSub(tt.in)
+		if got != tt.want {
+			t.Fatalf("in: %v, got: %v, want: %v", tt.in, got, tt.want)
+		}
+	}
+}