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| author | crupest <crupest@outlook.com> | 2020-08-01 17:14:22 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-08-01 17:14:22 +0800 |
| commit | 443e8ae2597f4f675dfff28e20391ba81f72c4ee (patch) | |
| tree | 86a1017ee541ff940048abfaa263ed7c4b4d14bc /cpp/1144.cpp | |
| parent | 66e1c791608125a54cbaa4a7c0f5d68853489b30 (diff) | |
| download | solutions-443e8ae2597f4f675dfff28e20391ba81f72c4ee.tar.gz solutions-443e8ae2597f4f675dfff28e20391ba81f72c4ee.tar.bz2 solutions-443e8ae2597f4f675dfff28e20391ba81f72c4ee.zip | |
Add problem 1144 .
Diffstat (limited to 'cpp/1144.cpp')
| -rw-r--r-- | cpp/1144.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/cpp/1144.cpp b/cpp/1144.cpp new file mode 100644 index 0000000..e6bf83b --- /dev/null +++ b/cpp/1144.cpp @@ -0,0 +1,48 @@ +#include <vector>
+
+using std::vector;
+
+inline int min(int a, int b)
+{
+ return a < b ? a : b;
+}
+
+class Solution
+{
+public:
+ int movesToMakeZigzag(vector<int> &nums)
+ {
+ int size = nums.size();
+
+ if (size == 1)
+ return 0;
+
+ // odd
+ int result_odd = 0;
+ for (int i = 0; i < size; i += 2)
+ {
+ int neighber = 1001;
+ if (i - 1 >= 0)
+ neighber = min(neighber, nums[i - 1]);
+ if (i + 1 < size)
+ neighber = min(neighber, nums[i + 1]);
+ if (nums[i] >= neighber)
+ result_odd += nums[i] - neighber + 1;
+ }
+
+ // even
+ int result_even = 0;
+ for (int i = 1; i < size; i += 2)
+ {
+ int neighber = 1001;
+ if (i - 1 >= 0)
+ neighber = min(neighber, nums[i - 1]);
+ if (i + 1 < size)
+ neighber = min(neighber, nums[i + 1]);
+ if (nums[i] >= neighber)
+ result_even += nums[i] - neighber + 1;
+ }
+
+ return min(result_odd, result_even);
+ }
+};
|