Count sort algorithm

Count sort code for sorting alphabets in ascending order in cpp.

Count_sort_string.cpp

@@ -0,0 +1,36 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+void cSort(char s[]) {
+    string output;
+
+    int count[256], i;
+    for (int i = 0; i < 256; i++){
+         count[i] = 0;
+    }
+    for (i = 0; s[i]; ++i){
+         ++count[s[i]];
+    }
+    for (i = 1; i < 256; ++i){
+         count[i] += count[i - 1];
+    }
+    for (i = 0; s[i]; ++i) {
+        output[count[s[i]] - 1] = s[i];
+        --count[s[i]];
+    }
+
+    for (i = 0; s[i]; ++i){
+         s[i] = output[i];
+    }
+    cout << "Sorted string is: " << s;
+}
+
+int main() {
+    int n;
+    cin>>n;
+    char s[n];
+    cin>>s;
+
+    cSort(s);
+    return 0;
+}