diff options
Diffstat (limited to 'works')
| -rw-r--r-- | works/solutions/cpp/66.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/works/solutions/cpp/66.cpp b/works/solutions/cpp/66.cpp new file mode 100644 index 0000000..40ce008 --- /dev/null +++ b/works/solutions/cpp/66.cpp @@ -0,0 +1,34 @@ +#include <vector>
+
+using std::vector;
+
+class Solution
+{
+public:
+ vector<int> plusOne(vector<int> &digits)
+ {
+ bool carry = true;
+ const auto end = digits.rend();
+ for (auto iter = digits.rbegin(); carry && iter != end; ++iter)
+ {
+ auto &digit = *iter;
+ digit += 1;
+ if (digit == 10)
+ {
+ digit = 0;
+ carry = true;
+ }
+ else
+ {
+ carry = false;
+ }
+ }
+
+ if (carry)
+ {
+ digits.insert(digits.cbegin(), 1);
+ }
+
+ return digits;
+ }
+};
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