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| #include "stdafx.h"
#include <algorithm>
#include <iostream>
#include <fstream>
#include <cstdio>
#include <cstdlib>
#include <cassert>
#include <climits>
#include <ctime>
#include <cstring>
#include <cmath>
#include <iomanip>
#include <utility>
#include <complex>
#include <vector>
#include <bitset>
#include <string>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <windows.h>
#include <process.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define all(a) a.begin(), a.end()
#define sz(a) int(a.size())
#define forn(i,n) for (int i = 0; i < int(n); i++)
#define x1 ___x1
#define y1 ___y1
#define X first
#define ft first
#define Y second
#define sc second
const int N = 10 * 1000;
const int M = 10;
int a[N][M], b[N][M], c[N][M];
inline void rand_gen (int a[N][M])
{
forn (i, N)
forn (j, M)
a[i][j] = rand() % 20 - 10;
}
inline int cmp (int a[M], int b[M])
{
forn (i, M)
{
if (a[i] > b[i])
return -1;
if (a[i] < b[i])
return 1;
}
return 0;
}
inline void qSort(int a[N][M], int l, int r)
{
int i = l, j = r;
int x[M];
memcpy(x, a[(l + r) / 2], sizeof(x));
do
{
while (cmp(a[i], x) == 1)
i++;
while (cmp(a[j], x) == -1)
j--;
if (i <= j)
{
int tmp[M];
memcpy(tmp, a[i], sizeof(tmp));
memcpy(a[i], a[j], sizeof(tmp));
memcpy(a[j], tmp, sizeof(tmp));
i++;
j--;
}
}
while(i < j);
if (l < j)
qSort(a, l, j);
if (i < r)
qSort(a, i, r);
}
unsigned __stdcall ThreadFunc1(void * arg)
{
qSort(a, 0, N - 1);
_endthreadex( 0 );
return 0;
};
unsigned __stdcall ThreadFunc2(void * arg)
{
qSort(b, 0, N - 1);
_endthreadex( 0 );
return 0;
};
unsigned __stdcall ThreadFunc3(void * arg)
{
qSort(c, 0, N - 1);
_endthreadex( 0 );
return 0;
};
inline void solve ()
{
rand_gen(a);
rand_gen(b);
rand_gen(c);
unsigned uThreadIDs[3];
HANDLE hThreads[3];
hThreads[0] = (HANDLE)_beginthreadex( NULL, 0, &ThreadFunc1, NULL, 0, &uThreadIDs[0]);
hThreads[1] = (HANDLE)_beginthreadex( NULL, 0, &ThreadFunc2, NULL, 0, &uThreadIDs[1]);
hThreads[2] = (HANDLE)_beginthreadex( NULL, 0, &ThreadFunc3, NULL, 0, &uThreadIDs[2]);
WaitForMultipleObjects(3, hThreads, TRUE, INFINITE );
CloseHandle( hThreads[0] );
CloseHandle( hThreads[1] );
CloseHandle( hThreads[2] );
//qSort(a, 0, N - 1);
//qSort(b, 0, N - 1);
//qSort(c, 0, N - 1);
forn (i, N)
{
forn (j, M)
cout << a[i][j] << ' ';
cout << endl;
}
cout << "------------" << endl;
forn (i, N)
{
forn (j, M)
cout << b[i][j] << ' ';
cout << endl;
}
cout << "------------" << endl;
forn (i, N)
{
forn (j, M)
cout << c[i][j] << ' ';
cout << endl;
}
}
int main ()
{
freopen ("output.txt", "w", stdout);
srand(time(NULL));
solve();
cerr << clock() << endl;
return 0;
} |
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