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Merge pull request #35 from Legoeggolas/main
Add a C++ solution for #34
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#include "solution.h" | ||
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std::vector<int> remove_dupes(std::vector<int> const &vec) { | ||
std::unordered_set<int> seen; | ||
std::vector<int> uniques; | ||
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for (auto const &num : vec) { | ||
if (seen.count(num) == 0) { | ||
uniques.push_back(num); | ||
seen.insert(num); | ||
} | ||
} | ||
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return uniques; | ||
} | ||
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/* | ||
int main() { | ||
std::vector<int> test = {1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 2, 2, 2, 2, 3, 4, 5}; | ||
auto temp = remove_dupes(test); | ||
// Output -> 1 2 3 4 5 | ||
for (auto const &num : temp) { | ||
std::cout << num << " "; | ||
} | ||
return 0; | ||
} | ||
*/ |
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#ifndef REM_DUP_H | ||
#define REM_DUP_H | ||
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//#include <iostream> | ||
#include <unordered_set> | ||
#include <vector> | ||
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/** | ||
* @brief Function to remove all duplicate elements from a vector. | ||
* Iterates over the elements and records the ones it sees. | ||
* Adds previously unseen elements to a new vector. | ||
* Returns this vector. | ||
* | ||
* @param vec The vector to remove the duplicates from | ||
* @return A vector with no duplicate elements. | ||
*/ | ||
std::vector<int> remove_dupes(std::vector<int> const &vec); | ||
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#endif |