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author | Yuqian Yang <crupest@crupest.life> | 2025-02-12 15:55:21 +0800 |
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committer | Yuqian Yang <crupest@crupest.life> | 2025-02-12 16:04:50 +0800 |
commit | 93ea69f427e3d8165d34bd6ca7b533666884f307 (patch) | |
tree | 22fcaec20fcdad22afd01c4214ca5301e304e15f /works/solutions/leetcode/cpp/17.04.cpp | |
parent | 1ecfd0ab7f1f511268fd6404dbc110c3c277b48c (diff) | |
parent | eb8beb49117289ba9181cbefe647c4aa44e6a0b1 (diff) | |
download | crupest-93ea69f427e3d8165d34bd6ca7b533666884f307.tar.gz crupest-93ea69f427e3d8165d34bd6ca7b533666884f307.tar.bz2 crupest-93ea69f427e3d8165d34bd6ca7b533666884f307.zip |
import(solutions): IMPORT crupest/solutions COMPLETE.
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;
+ }
+};
|