Update perfect-rectangle.cpp

kamyu104 · web-flow · commit aecb8eb84baa · 2016-08-30T00:00:56.000+08:00
diff --git a/C++/perfect-rectangle.cpp b/C++/perfect-rectangle.cpp
@@ -29,7 +29,7 @@ class Solution {
             }
         }
 
-        bool is_valid[16] = {false};
+        bitset<16> is_valid;
         is_valid[LB | RB] = is_valid[LB | LT] = is_valid[RB | RT] = is_valid[LT | RT] = is_valid[LB | RB | LT | RT] = true;
         for (auto itx = corner_count.cbegin(); itx != corner_count.cend(); ++itx) {
             const auto x = itx->first;

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ class Solution {`
`29`	`29`	`}`
`30`	`30`	`}`
`31`	`31`
`32`		`- bool is_valid[16] = {false};`
	`32`	`+ bitset<16> is_valid;`
`33`	`33`	`is_valid[LB \| RB] = is_valid[LB \| LT] = is_valid[RB \| RT] = is_valid[LT \| RT] = is_valid[LB \| RB \| LT \| RT] = true;`
`34`	`34`	`for (auto itx = corner_count.cbegin(); itx != corner_count.cend(); ++itx) {`
`35`	`35`	`const auto x = itx->first;`