add one more solution for 1221 and test

fishercoder1534 · fishercoder1534 · commit ac0266bc7e84 · 2020-01-30T20:17:32.000-08:00
diff --git a/src/main/java/com/fishercoder/solutions/_1221.java b/src/main/java/com/fishercoder/solutions/_1221.java
@@ -54,4 +54,24 @@ public int balancedStringSplit(String s) {
             return balancedCount;
         }
     }
+
+    public static class Solution2 {
+        public int balancedStringSplit(String s) {
+            int count = 0;
+            int result = 0;
+            int i = 0;
+            while (i < s.length()) {
+                if (s.charAt(i) == 'L') {
+                    count++;
+                } else {
+                    count--;
+                }
+                if (count == 0) {
+                    result++;
+                }
+                i++;
+            }
+            return result;
+        }
+    }
 }
diff --git a/src/test/java/com/fishercoder/_1221Test.java b/src/test/java/com/fishercoder/_1221Test.java
@@ -8,30 +8,36 @@
 
 public class _1221Test {
     private static _1221.Solution1 solution1;
+    private static _1221.Solution2 solution2;
 
     @BeforeClass
     public static void setup() {
         solution1 = new _1221.Solution1();
+        solution2 = new _1221.Solution2();
     }
 
     @Test
     public void test1() {
         assertEquals(4, solution1.balancedStringSplit("RLRRLLRLRL"));
+        assertEquals(4, solution2.balancedStringSplit("RLRRLLRLRL"));
     }
 
     @Test
     public void test2() {
         assertEquals(3, solution1.balancedStringSplit("RLLLLRRRLR"));
+        assertEquals(3, solution2.balancedStringSplit("RLLLLRRRLR"));
     }
 
     @Test
     public void test3() {
         assertEquals(1, solution1.balancedStringSplit("LLLLRRRR"));
+        assertEquals(1, solution2.balancedStringSplit("LLLLRRRR"));
     }
 
     @Test
     public void test4() {
         assertEquals(2, solution1.balancedStringSplit("RLRRRLLRLL"));
+        assertEquals(2, solution2.balancedStringSplit("RLRRRLLRLL"));
     }
 
 }

Original file line number	Diff line number	Diff line change
`@@ -8,30 +8,36 @@`
`8`	`8`
`9`	`9`	`public class _1221Test {`
`10`	`10`	`private static _1221.Solution1 solution1;`
	`11`	`+ private static _1221.Solution2 solution2;`
`11`	`12`
`12`	`13`	`@BeforeClass`
`13`	`14`	`public static void setup() {`
`14`	`15`	`solution1 = new _1221.Solution1();`
	`16`	`+ solution2 = new _1221.Solution2();`
`15`	`17`	`}`
`16`	`18`
`17`	`19`	`@Test`
`18`	`20`	`public void test1() {`
`19`	`21`	`assertEquals(4, solution1.balancedStringSplit("RLRRLLRLRL"));`
	`22`	`+ assertEquals(4, solution2.balancedStringSplit("RLRRLLRLRL"));`
`20`	`23`	`}`
`21`	`24`
`22`	`25`	`@Test`
`23`	`26`	`public void test2() {`
`24`	`27`	`assertEquals(3, solution1.balancedStringSplit("RLLLLRRRLR"));`
	`28`	`+ assertEquals(3, solution2.balancedStringSplit("RLLLLRRRLR"));`
`25`	`29`	`}`
`26`	`30`
`27`	`31`	`@Test`
`28`	`32`	`public void test3() {`
`29`	`33`	`assertEquals(1, solution1.balancedStringSplit("LLLLRRRR"));`
	`34`	`+ assertEquals(1, solution2.balancedStringSplit("LLLLRRRR"));`
`30`	`35`	`}`
`31`	`36`
`32`	`37`	`@Test`
`33`	`38`	`public void test4() {`
`34`	`39`	`assertEquals(2, solution1.balancedStringSplit("RLRRRLLRLL"));`
	`40`	`+ assertEquals(2, solution2.balancedStringSplit("RLRRRLLRLL"));`
`35`	`41`	`}`
`36`	`42`
`37`	`43`	`}`