include

using namespace std;

void countingSort(int a[], int n) { int freq[100] = {0}; for (int i = 0; i < n; i++) { freq[a[i]]++; } for (int i = 0; i < 100; i++) { cout << freq[i] << " "; } cout << endl; } int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } countingSort(a, n); return 0; }

Golang

func countingSort(arr []int32) []int32 {
    frequency := make([]int32, 100)
    for _, v := range arr {
        frequency[v]++
    }
    return frequency
}

C++20 ` vector countingSort(vector arr) { vector frequency(100); std::fill(frequency.begin(), frequency.end(), 0);

for (int n : arr){
    frequency[n]++;
}

for(int n : frequency){
    std::cout<<n<<" ";
}

return frequency;

} `

Python

def countingSort(arr):
    # Write your code here
    counting=[0]*100
    
    for i in arr:
        counting[i]+=1
        
    return counting

Swift

func countingSort(arr: [Int]) -> [Int] {
    // Write your code here
    let maxNumber = arr.max()
    var array: [Int] = Array.init(repeating: 0, count: arr.count)
    for item in arr {
        array[item] = array[item] + 1
    }

   return Array(array[0..<100])
}