Fix bug

Author: sachaos

lib/tester/tester.go

@@ -125,6 +125,10 @@ func judgeEquality(example string, actual string) bool {
 		return true
 	}
 
+	if !strings.Contains(example, ".") {
+		return false
+	}
+
 	af, err := strconv.ParseFloat(actual, 64)
 	if err != nil {
 		return false

lib/tester/tester_test.go

@@ -21,6 +21,11 @@ func Test_judgeEquality(t *testing.T) {
 			actual:   "hogehoge",
 			expected: false,
 		},
+		{
+			example: "3000293",
+			actual: "3000292",
+			expected: false,
+		},
 		{
 			example:  "100",
 			actual:   "100",