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| author | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
| commit | e353213dfb73259a5d33cc6e9d5cd2373c683be9 (patch) | |
| tree | e879936e7e9c62f9946249cdeb470afeef1c1500 /works/solutions/leetcode/cpp/17.04.cpp | |
| parent | 7e3e89a3f0ecc49c33334f423dbde3a5fdc57abd (diff) | |
| download | crupest-e353213dfb73259a5d33cc6e9d5cd2373c683be9.tar.gz crupest-e353213dfb73259a5d33cc6e9d5cd2373c683be9.tar.bz2 crupest-e353213dfb73259a5d33cc6e9d5cd2373c683be9.zip | |
import(solutions): Move leetcode solutions to subdir.
Diffstat (limited to 'works/solutions/leetcode/cpp/17.04.cpp')
| -rw-r--r-- | works/solutions/leetcode/cpp/17.04.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/17.04.cpp b/works/solutions/leetcode/cpp/17.04.cpp new file mode 100644 index 0000000..07ac7ae --- /dev/null +++ b/works/solutions/leetcode/cpp/17.04.cpp @@ -0,0 +1,21 @@ +#include <vector>
+
+using std::vector;
+
+class Solution
+{
+public:
+ int missingNumber(vector<int> &nums)
+ {
+ const int size = nums.size();
+ const int sum = size * (size + 1) / 2;
+
+ int real_sum = 0;
+ for (auto i : nums)
+ {
+ real_sum += i;
+ }
+
+ return sum - real_sum;
+ }
+};
|