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#include <fstream>
#include <iostream>
using namespace std;
using pii = pair<int, int>;
void
countingsort(pii* A, int n, ostream& out)
{
int min = A[0].first;
int max = A[0].first;
for (int i = 1; i < n; ++i) {
if (A[i].first < min)
min = A[i].first;
if (A[i].first > max)
max = A[i].first;
}
int range = max - min + 1;
int* freq = new int[range];
pii* C = new pii[n];
for (int i = 0; i < range; ++i)
freq[i] = 0;
for (int i = 0; i < n; ++i) {
freq[A[i].first - min]++;
}
for (int i = 1; i < range; ++i) {
freq[i] += freq[i - 1];
}
out << "0 ";
for (int i = 0; i < range - 1; ++i)
out << freq[i] << ' ';
for (int i = n - 1; i >= 0; --i) {
C[freq[A[i].first - min] - 1] = A[i];
freq[A[i].first - min]--;
}
for (int i = 0; i < n; ++i)
out << "(" << C[i].first / 10.0 << ' ' << C[i].second / 10.0 << ") ";
out << endl;
delete[] C;
delete[] freq;
}
int
main(int argc, char** argv)
{
int ts = (argc > 1) ? stoi(argv[1]) : 100;
ifstream fin("input.txt");
ofstream fout("output.txt");
string ch;
int n;
double x1, x2;
for (int i = 0; i < ts; ++i) {
fin >> n;
pii* a = new pii[n];
for (int j = 0; j < n; ++j) {
fin >> ch;
x1 = stod(ch.substr(1, ch.length()));
fin >> ch;
x2 = stod(ch.substr(0, ch.length() - 1));
a[j] = { x1 * 10, x2 * 10 };
}
countingsort(a, n, fout);
delete[] a;
}
fin.close();
fout.close();
return 0;
}
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