fix: add missing headers for acwing solution#9
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📝 WalkthroughWalkthroughAdded missing C++ standard library headers ( Changes
Estimated code review effort🎯 1 (Trivial) | ⏱️ ~2 minutes Poem
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🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@acwing/剑指` offer/13. 找出数组中重复的数字/3.cpp:
- Around line 1-2: The code uses unqualified symbols vector and sort (seen in
this file's use of vector and sort) but the headers are included without a using
directive, so the compiler will fail; fix by qualifying these symbols with the
std:: namespace (e.g., replace vector with std::vector and sort with std::sort)
or add an explicit using declaration (e.g., using std::vector; using std::sort;
or using namespace std;) at the top—update occurrences in functions that
reference vector and sort to use the chosen approach (look for usages in this
file such as where vector and sort are invoked) so the file compiles.
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📒 Files selected for processing (1)
acwing/剑指 offer/13. 找出数组中重复的数字/3.cpp
| #include <vector> | ||
| #include <algorithm> |
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🧩 Analysis chain
🏁 Script executed:
find . -type f -name "3.cpp" | grep -i "找出数组中重复的数字"Repository: tkzzzzzz6/Algorithm_beginner_learning_notes
Length of output: 125
🏁 Script executed:
cat -n "./acwing/剑指 offer/13. 找出数组中重复的数字/3.cpp"Repository: tkzzzzzz6/Algorithm_beginner_learning_notes
Length of output: 738
Namespace qualification is missing—code will not compile.
Adding the headers is correct, but lines 11 and 14 use vector and sort without std:: qualification, and the file has no using namespace std; declaration. This causes a compilation error.
Proposed fix
class Solution {
public:
- int duplicateInArray(vector<int>& nums) {
+ int duplicateInArray(std::vector<int>& nums) {
int n = nums.size();
if(n == 0)return -1;
- sort(nums.begin(),nums.end());
+ std::sort(nums.begin(),nums.end());
if(nums[0] < 0 || nums[n-1] >= n)return -1;
for(int i = 1;i<n;++i){
if(nums[i-1] == nums[i])return nums[i];
}
return -1;
}
};📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| #include <vector> | |
| #include <algorithm> | |
| `#include` <vector> | |
| `#include` <algorithm> | |
| class Solution { | |
| public: | |
| int duplicateInArray(std::vector<int>& nums) { | |
| int n = nums.size(); | |
| if(n == 0)return -1; | |
| std::sort(nums.begin(),nums.end()); | |
| if(nums[0] < 0 || nums[n-1] >= n)return -1; | |
| for(int i = 1;i<n;++i){ | |
| if(nums[i-1] == nums[i])return nums[i]; | |
| } | |
| return -1; | |
| } | |
| }; |
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In `@acwing/剑指` offer/13. 找出数组中重复的数字/3.cpp around lines 1 - 2, The code uses
unqualified symbols vector and sort (seen in this file's use of vector and sort)
but the headers are included without a using directive, so the compiler will
fail; fix by qualifying these symbols with the std:: namespace (e.g., replace
vector with std::vector and sort with std::sort) or add an explicit using
declaration (e.g., using std::vector; using std::sort; or using namespace std;)
at the top—update occurrences in functions that reference vector and sort to use
the chosen approach (look for usages in this file such as where vector and sort
are invoked) so the file compiles.
|
Note Unit test generation is a public access feature. Expect some limitations and changes as we gather feedback and continue to improve it. Generating unit tests... This may take up to 20 minutes. |
|
No files have been changed in this PR. Unable to generate unit tests. |
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