Array.prototype.reduce(), or simplyreduce(), is the most general of all array operations in JavaScript. You can solve almost any array processing problem using thereducemethod. reduce方法是处理数组更通用的方式,而且filter和map方法都可以当作是r ...
#include Stdio.h #include string.h int fun ( char a ) { int length = strlen ( a ); int sum = 0 ; for ( int i = 0 ; i length ; i ++ ) { if ( a == 1 || a == 2 || a == 3 || a == 4 || ...
#include stdio.h #define MAX 20 void f1 ( char str1 ); void f1 ( char str1 ) { int j = 0 ; for ( int i = 0 ; i * length ; i ++ ) { if ( str1 == 'a' || ...
#include stdio.h void swap ( int x , int y ); void swap ( int x , int y ) { int temp ; printf ( "in swap, 转换前x= %d , y= %d \n " , x , y ); temp = x ; x = y ; y = temp ; printf ...
#include stdio.h #define MAX 100 #include stdbool.h bool prime ( int n ); bool prime ( n ) { int i ; if ( n == 1 ) return true ; if ( n == 2 ) return false ; for ( i = 2 ; i ...