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  1. Prepare
  2. C++
  3. STL
  4. Vector-Sort
  5. Discussions

Vector-Sort

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301 Discussions

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  • maxencegillotea1
     + 0 comments

    int main() { int n; std::cin >> n; std::vector vec(n);

    for (auto &i : vec) std::cin >> i;
std::sort(vec.begin(), vec.end());
for (const auto &i : vec) std::cout << i << ' ';

return 0;

    }

  • sezzaldiin0
     + 0 comments
    int n;
    cin >> n;

    vector<int> numbers(n);
    for (int i = 0; i < n; i++) {
        cin >> numbers[i];
    }

    sort(numbers.begin(), numbers.end());

    for (int i = 0; i < n; i++) {
        cout << numbers[i] << " ";
    }
    cout << endl;

  • Oakamoore
     + 0 comments

    Instead of using a for loop paired with push_back() (which can result in allocations that could otherwise be avoided), use the explicit constructor, std::vector<T>(int) (requiring direct initialisation via a parenthesised list) which constructs a std::vector of a given size:

    int main()
{
    int size {};
    std::cin >> size;
    
    // Constructs a 'std::vector' of given size
    std::vector<int> v (size);
    
    // Loops through the vector by reference
    // setting its elements to inputted values
    for(auto& i : v)
        std::cin >> i;
        
    std::sort(v.begin(), v.end());
    
    for(auto i : v)
        std::cout << i << ' ';
    
    return 0;
}

  • manudwivedi2005
     + 0 comments

    int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    vectorv;

     int n;
 cin>>n;
 for(int i=0;i<n;i++) {
     int ele;
     cin>>ele;
     v.push_back(ele);
 }

 sort(v.begin(),v.end());

 for(int a : v) {
     cout<<a<<" ";
 }

return 0;

    }

  • server_monk
     + 0 comments

    include

    include

    include

    include

    include

    using namespace std;

    int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */

    vector<int> v;
int size{};
int num{};

cin >> size;

while(cin >> num)
{
    v.push_back(num);
}

sort(v.begin(), v.end());

for(auto i : v)
{
    cout << i << " ";
}

return 0;

    }