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/*RanDom 1 Số lớn */
#include <iostream>
#include <time.h>
#include <conio.h>
using namespace std;
 
 
bool XetTruoc(int a[],int vitri,int n)
{
	for( int i = vitri - 1 ; i >= 0 ; i-- )
		if(a[vitri] ==  a[i] ) return false;
	return true;
}
bool XetSau(int a[],int vitri,int n)
{
	for( int i = vitri + 1 ; i < n - 1 ; i++)
		if( a[vitri] == a[i] ) return false;
	return true;
}
void RAND_NOW(int a[],int vitri)
{
	srand(time(0));
	a[vitri] = rand() % 99999;
}
void XetPhanTu(int a[],int n)
{
	for( int i = 0 ; i < n ; i++)
	{
		if( XetTruoc(a,i,n) == false || XetSau(a,i,n) == false )
		{
			RAND_NOW(a,i);
			i--;
		}
	}
}
void RANDOM(int a[],int n)
{
	srand(time(0));
	for( int i = 0 ; i < n ; i++)
		a[i] = rand() % 99999;
	// Sau Khi RanDom xong ?
	// ý tưởng : ta nên xét từng phần tử .
	XetPhanTu(a,n);
}
int xet_TRUNG(int a[],int n)
{
	int dem = 0 ;
	for( int i = 0 ; i < n ; i++)
	{
		for( int j = i + 1 ; j < n - 1 ; j ++)
		{
			if( a[i] == a[j] )
				dem++;
		}
	}
	return dem;
}
void xuat(int a[],int n,int trung)
{
	cout << "So Phan Tu Trung Trong Mang A la : " << trung  << endl;
	for( int i = 0 ; i < n ; i++)
	{
		if( i % 13 == 0 ) cout <<endl; // xuất 5 số 1 dòng .
		cout << a[i] << " " ;
	}
}
void main()
{
	int a[1000],n,dem;
	cout << "Enter your number choose:  ";
	cin >> n;
	RANDOM(a,n);
	dem = xet_TRUNG(a,n);
	xuat(a,n,dem);
	getch();
}

Main.java:2: error: illegal character: '#'
#include <iostream>
^
Main.java:2: error: class, interface, or enum expected
#include <iostream>
         ^
Main.java:3: error: illegal character: '#'
#include <time.h>
^
Main.java:4: error: illegal character: '#'
#include <conio.h>
^
Main.java:8: error: class, interface, or enum expected
bool XetTruoc(int a[],int vitri,int n)
^
Main.java:10: error: class, interface, or enum expected
	for( int i = vitri - 1 ; i >= 0 ; i-- )
	                         ^
Main.java:10: error: class, interface, or enum expected
	for( int i = vitri - 1 ; i >= 0 ; i-- )
	                                  ^
Main.java:12: error: class, interface, or enum expected
	return true;
	^
Main.java:13: error: class, interface, or enum expected
}
^
Main.java:16: error: class, interface, or enum expected
	for( int i = vitri + 1 ; i < n - 1 ; i++)
	                         ^
Main.java:16: error: class, interface, or enum expected
	for( int i = vitri + 1 ; i < n - 1 ; i++)
	                                     ^
Main.java:18: error: class, interface, or enum expected
	return true;
	^
Main.java:19: error: class, interface, or enum expected
}
^
Main.java:23: error: class, interface, or enum expected
	a[vitri] = rand() % 99999;
	^
Main.java:24: error: class, interface, or enum expected
}
^
Main.java:27: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                 ^
Main.java:27: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                         ^
Main.java:32: error: class, interface, or enum expected
			i--;
			^
Main.java:33: error: class, interface, or enum expected
		}
		^
Main.java:39: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	^
Main.java:39: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                 ^
Main.java:39: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                         ^
Main.java:43: error: class, interface, or enum expected
	XetPhanTu(a,n);
	^
Main.java:44: error: class, interface, or enum expected
}
^
Main.java:48: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	^
Main.java:48: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                 ^
Main.java:48: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                         ^
Main.java:50: error: class, interface, or enum expected
		for( int j = i + 1 ; j < n - 1 ; j ++)
		                     ^
Main.java:50: error: class, interface, or enum expected
		for( int j = i + 1 ; j < n - 1 ; j ++)
		                                 ^
Main.java:54: error: class, interface, or enum expected
		}
		^
Main.java:57: error: class, interface, or enum expected
}
^
Main.java:61: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	^
Main.java:61: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                 ^
Main.java:61: error: class, interface, or enum expected
	for( int i = 0 ; i < n ; i++)
	                         ^
Main.java:64: error: class, interface, or enum expected
		cout << a[i] << " " ;
		^
Main.java:65: error: class, interface, or enum expected
	}
	^
Main.java:70: error: class, interface, or enum expected
	cout << "Enter your number choose:  ";
	^
Main.java:71: error: class, interface, or enum expected
	cin >> n;
	^
Main.java:72: error: class, interface, or enum expected
	RANDOM(a,n);
	^
Main.java:73: error: class, interface, or enum expected
	dem = xet_TRUNG(a,n);
	^
Main.java:74: error: class, interface, or enum expected
	xuat(a,n,dem);
	^
Main.java:75: error: class, interface, or enum expected
	getch();
	^
Main.java:76: error: class, interface, or enum expected
}
^
43 errors

Standard output is empty