add 1880

fishercoder1534 · fishercoder1534 · commit 4382494853a5 · 2021-05-30T09:32:32.000-07:00
diff --git a/README.md b/README.md
@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ &#9733;
 
 |  #  |      Title     |   Solutions   | Video  | Difficulty  | Tag                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1880|[Check if Word Equals Summation of Two Words](https://leetcode.com/problems/check-if-word-equals-summation-of-two-words/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1880.java) ||Easy|String|
 |1877|[Minimize Maximum Pair Sum in Array](https://leetcode.com/problems/minimize-maximum-pair-sum-in-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1877.java) ||Medium|Greedy, Sort|
 |1876|[Substrings of Size Three with Distinct Characters](https://leetcode.com/problems/substrings-of-size-three-with-distinct-characters/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1876.java) ||Easy|String|
 |1869|[Longer Contiguous Segments of Ones than Zeros](https://leetcode.com/problems/longer-contiguous-segments-of-ones-than-zeros/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1869.java) ||Easy|Array, Two Pointers|
diff --git a/src/main/java/com/fishercoder/solutions/_1880.java b/src/main/java/com/fishercoder/solutions/_1880.java
@@ -0,0 +1,22 @@
+package com.fishercoder.solutions;
+
+public class _1880 {
+    public static class Solution1 {
+        public boolean isSumEqual(String firstWord, String secondWord, String targetWord) {
+            StringBuilder sb = new StringBuilder();
+            int a = getSum(firstWord, sb);
+            sb.setLength(0);
+            int b = getSum(secondWord, sb);
+            sb.setLength(0);
+            int c = getSum(targetWord, sb);
+            return a + b == c;
+        }
+
+        private int getSum(String firstWord, StringBuilder sb) {
+            for (char c : firstWord.toCharArray()) {
+                sb.append(c - 'a');
+            }
+            return Integer.parseInt(sb.toString());
+        }
+    }
+}
