Java_BInary_Search

public static int binarySearch( int array[], int value ) {
	if ( null == array ) return -1;
	int low = 0, high = array.length - 1, middle = -1;
	while ( low <= high ) {
		middle = ( low + high ) / 2;
		if ( value == array[ low ] ) { return low ; }
		if ( value == array[ high ] ) { return high; }
		if ( value == array[ middle ] ) { return middle; }
		else if ( value > array[ middle ] ) {
				low = middle + 1;
		} else {
				high = middle - 1;
		}
	}
}

public static void bubblingSort( int array[] ) {
	if ( null == array ) return ;
	int temp;
	for ( int i = 0; i < array.length - 1; i++ ) {
		for ( int j = i ; i < array.length - i - 1; j++ ) 		{
				if ( array[ i ] > array[ j ] ) {
						temp = array[ j ];
						array[ j ] = array[ i ];
						array[ i ] = temp;
				}
		}
	}
}


已有 0 人发表留言,猛击->>这里<<-参与讨论


ITeye推荐



原文地址:https://www.cnblogs.com/qwop/p/3438435.html