Update minimum-domino-rotations-for-equal-row.cpp

kamyu104 · web-flow · commit 52fae039fa73 · 2019-03-11T01:14:48.000+08:00
diff --git a/C++/minimum-domino-rotations-for-equal-row.cpp b/C++/minimum-domino-rotations-for-equal-row.cpp
@@ -15,7 +15,7 @@ class Solution {
         if (intersect.empty()) {
             return -1;
         }
-        const auto& x = *intersect.begin();
+        const auto& x = *intersect.cbegin();
         return min(A.size() - count(A.cbegin(), A.cend(), x),
                    B.size() - count(B.cbegin(), B.cend(), x));
     }
@@ -39,7 +39,7 @@ class Solution2 {
         if (intersect.empty()) {
             return -1;
         }
-        const auto& x = *intersect.begin();
+        const auto& x = *intersect.cbegin();
         return min(A.size() - count(A.cbegin(), A.cend(), x),
                    B.size() - count(B.cbegin(), B.cend(), x));
     }

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,7 @@ class Solution {`
`15`	`15`	`if (intersect.empty()) {`
`16`	`16`	`return -1;`
`17`	`17`	`}`
`18`		`- const auto& x = *intersect.begin();`
	`18`	`+ const auto& x = *intersect.cbegin();`
`19`	`19`	`return min(A.size() - count(A.cbegin(), A.cend(), x),`
`20`	`20`	`B.size() - count(B.cbegin(), B.cend(), x));`
`21`	`21`	`}`
`@@ -39,7 +39,7 @@ class Solution2 {`
`39`	`39`	`if (intersect.empty()) {`
`40`	`40`	`return -1;`
`41`	`41`	`}`
`42`		`- const auto& x = *intersect.begin();`
	`42`	`+ const auto& x = *intersect.cbegin();`
`43`	`43`	`return min(A.size() - count(A.cbegin(), A.cend(), x),`
`44`	`44`	`B.size() - count(B.cbegin(), B.cend(), x));`
`45`	`45`	`}`