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Added C++ vector manipulation snippets. #209
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@@ -9,10 +9,14 @@ tags: vector,remove,duplicate | |
| #include <algorithm> | ||
| #include <vector> | ||
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| void removeDublicates(std::vector<int> &input) | ||
| void removeDuplicates(std::vector<int> &input) | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more.
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| { | ||
| std::sort(input.begin(), input.end()); // sort the vector | ||
| auto last = std::unique(input.begin(), input.end()); // remove duplicates | ||
| input.erase(last, input.end()); // resize vector and delete the undefined elements | ||
| } | ||
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| // Usage: | ||
| std::vector<int> vec = {4, 2, 2, 8, 5, 6, 9, 9, 9, 8, 8, 4}; | ||
| removeDuplicates(vec); // returns {2, 4, 5, 6, 8, 9} | ||
| ``` | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Need to include an usage section as described in the our guidelines. See other snippets for reference. There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Oh sorry. I didn't see that I will do that |
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@@ -23,4 +23,11 @@ void removeOccurrences(std::vector<int>& vec, int n) { | |
| vec.end() | ||
| ); | ||
| } | ||
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| // Usage: | ||
| std::vector<int> vec = {4, 2, 4, 8, 5, 6, 8, 8, 4, 3 }; | ||
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| int n = 3; // Remove elements that occur exactly 3 times | ||
| removeOccurrences(vec, n); // returns {2, 5, 6, 3} | ||
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| ``` | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Need to include an usage section as described in the our guidelines. See other snippets for reference. |
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