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count_sort2.cpp
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90 lines (64 loc) · 1.96 KB
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#include <bits/stdc++.h>
using namespace std;
vector<string> split_string(string);
// Complete the countingSort function below.
vector<int> countingSort(vector<int> arr) {
vector<int> count(100,0);
vector<int> result;
for(int i=0;i<arr.size();i++){
count[arr[i]]++;
// cout<<arr[i]<<" "<<count[arr[i]]<<endl;
}
for(int j=0;j<100;j++){
for(int k=0; k<count[j];k++){
result.push_back(j);
}
}
cout<<endl;
return result;
}
int main()
{
ofstream fout(getenv("OUTPUT_PATH"));
int n;
cin >> n;
cin.ignore(numeric_limits<streamsize>::max(), '\n');
string arr_temp_temp;
getline(cin, arr_temp_temp);
vector<string> arr_temp = split_string(arr_temp_temp);
vector<int> arr(n);
for (int i = 0; i < n; i++) {
int arr_item = stoi(arr_temp[i]);
arr[i] = arr_item;
}
vector<int> result = countingSort(arr);
for (int i = 0; i < result.size(); i++) {
fout << result[i];
if (i != result.size() - 1) {
fout << " ";
}
}
fout << "\n";
fout.close();
return 0;
}
vector<string> split_string(string input_string) {
string::iterator new_end = unique(input_string.begin(), input_string.end(), [] (const char &x, const char &y) {
return x == y and x == ' ';
});
input_string.erase(new_end, input_string.end());
while (input_string[input_string.length() - 1] == ' ') {
input_string.pop_back();
}
vector<string> splits;
char delimiter = ' ';
size_t i = 0;
size_t pos = input_string.find(delimiter);
while (pos != string::npos) {
splits.push_back(input_string.substr(i, pos - i));
i = pos + 1;
pos = input_string.find(delimiter, i);
}
splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));
return splits;
}