Simple PHP algorithm problem (with extension), PHP algorithm extension _php tutorial

Simple PHP algorithm problem (with extension), PHP algorithm problem extension

Simple PHP algorithm problem (to be perfected ...) ）

Print only 0

The specific number is determined by the input parameter n

Print 00000 as N=5

Print n 0 based on n value

Print a line 0101010101010101010101

The specific number is determined by the input parameter n

such as test.php?n=3 printing 010

print 010101 based on n value ...

Implementation 1 00 111 0000 11111

For if implementation

Php for( $i= 0; $i< 10; $i++ ) { for( $j= 0; $j<= $i; $j++ ) { if( $i% 2 = = 0 ) { Echo' 0 ' ; } Else { Echo' 1 ' ; } } Echo'
' ;}?> for&if Statement Implementation

For switch implementation

Php for( $i= 0; $i< 10; $i++ ) { for( $j= 0; $j<= $i; $j++ ) { Switch( $j% 2 ) { Case' 0 ': Echo"0" ; Break ; Case' 1 ': Echo"1" ; Break ; } } Echo'
' ;}?> For&switch Statement Implementation

While if implementation

While switch implementation

Php $i= 0 ; while( $i< 10 ) { $j= 0 ; while( $j<= $i ) { Switch( $i% 2 ) { Case0: Echo' 0 ' ; Break ; Case1: Echo' 1 ' ; Break ; } $j++ ; } Echo'
' ; $i++ ;}?> While&switch Statement Implementation

Implementation 0 01 010 0101 ...

Implementation 0 01 012 0123 3210 210 10 0

Make a calculator.

such as Test.php?a=1&b=2&operator=jia output 3

such as Test.php?a=5&b=2&operator=jian output 3

such as Test.php?a=2&b=5&operator=cheng output 10

such as Test.php?a=6&b=3&operator=chu output 2

four-bit all-in-one computational function for subtraction processing

Advanced:

Number of daffodils

Bubble Sort Method

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