Cod sursa(job #1467259)

Utilizator DuxarFII-Stefan-Negrus Duxar Data 3 august 2015 04:28:55
Problema Sortare prin comparare Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 2.55 kb
#ifdef ONLINE_JUDGE
	#include <bits/stdc++.h>
#else
	#include <algorithm>
	#include <bitset>
	#include <cassert>
	#include <cmath>
	#include <cstdio>
	#include <cstdlib>
	#include <cstring>
	#include <iostream>
	#include <map>
	#include <set>
	#include <stack>
	#include <string>
	#include <utility>
	#include <vector>
	#include <queue>
	#include <climits>
#endif

using namespace std;

	// lambda : [] (int a, int b) -> bool { body return }
	// string r_str = R"(raw string)"

#define mp make_pair
#define mt make_tuple
#define eb emplace_back
#define pb push_back
#define LL long long
#define ULL unsigned long long
#define BASE 73
#define NMAX 10000
#define NMAX2 20001
#define MOD1 1000000007
#define ALL(V) (V).begin(), (V).end()
#define ALLR(V) (V).rbegin(), (V).rend()
#define CRLINE Duxar(__LINE__);
#define SHOWME(x) cerr << __LINE__ << ": " << #x << " = " << (x) << endl;
#define ENTER putchar('\n');

int dx4[] = {-1, 0, 1, 0};
int dy4[] = {0, 1, 0, -1};

int dx8[] = {-1, -1, 0, 1, 1, 1, 0, -1};
int dy8[] = {0, 1, 1, 1, 0, -1, -1, -1};

void Duxar(int _this_line) {
#ifndef ONLINE_JUDGE
	printf("\n . . . . . . . . . . . . . Passed line - %d\n", _this_line);
#endif
}

template <class T>
void ReadNo(T &_value) {
	T _sign = 1;
	char ch;
	_value = 0;
	while(!isdigit(ch = getchar())) {
		(ch == '-') && (_sign = -1);
	}
	do {
		_value = _value * 10 + (ch - '0');
	} while(isdigit(ch = getchar()));
	_value *= _sign;
}

int N;
vector <int> values;

void InsertionSort(vector <int> &values, int lend, int rend) {
	int j, i;
	for (i = lend + 1; i <= rend; ++i) {
		for (j = i;
			 j > lend &&  values[j - 1] > values[j];
			 swap(values[j], values[j - 1]), --j);
	}
}

void QuickSort(vector <int> &values, int lend, int rend) {
	if (rend - lend < 100) {
		InsertionSort(values, lend, rend);
		return;
	}
	
	int i, j, k, pivot;
	pivot = lend + rand() % (rend - lend + 1);
	i = lend - 1;
	j = rend + 1;
	for (k = lend; k <= rend; ++k) {
		if (values[k] < values[pivot]) {
			++i;
			swap(values[i], values[k]);
		}
		if (values[k] > values[pivot]) {
			--j;
			swap(values[j], values[k]);
		}
	}
	
	QuickSort(values, lend, i);
	QuickSort(values, j, rend);
	
}

int main(){
	string file_input = "algsort";
#ifdef INFOARENA
	freopen((file_input + ".in").c_str(), "r", stdin);
	freopen((file_input + ".out").c_str(), "w", stdout);
#else
#ifndef ONLINE_JUDGE
	freopen("input.cpp", "r", stdin);
#endif
#endif
	
	int i;
	ReadNo(N);
	values.resize(N);
	
	for (i = 0; i < N; ++i) {
		ReadNo(values[i]);
	}
	
	QuickSort(values, 0, N - 1);
	
	for (auto x: values) {
		printf("%d ", x);
	}
	ENTER
	
	return 0;
}