leetcode_1281_Subtract_the_Product_and_Sum_of_Digits_of_an_Integer

OneCodeMonkey · OneCodeMonkey · commit a2dec7f7d9ae · 2019-12-09T00:00:31.000+08:00
diff --git a/contest/leetcode_week_166_problems/leetcode_1281_Subtract_the_Product_and_Sum_of_Digits_of_an_Integer.cpp b/contest/leetcode_week_166_problems/leetcode_1281_Subtract_the_Product_and_Sum_of_Digits_of_an_Integer.cpp
@@ -0,0 +1,20 @@
+/**
+ * 给定一个正数，求各位之积减去各位之和。
+ *
+ * AC: Runtime: 0 ms | Memory Usage: 8.3 MB
+ */
+class Solution {
+public:
+    int subtractProductAndSum(int n) {
+    	if(n == 0)
+    		return 0;
+        int product = 1, sum = 0;
+        while(n != 0) {
+        	product *= n % 10;
+        	sum += n % 10;
+        	n /= 10;
+        }
+
+        return product - sum;
+    }
+};
