shumon84 shumon84

## .bash_profile
if [ -f ~/.devkitARMrc ] ; then
. ~/.devkitARMrc
fi

## Japanese_Variable_Identifier.java
class Japanese_Variable_Identifier
{
    public static void main(String[] args)
    {
        String しょうげきのじじつ = "Javaは変数名に日本語が使える!";
        System.out.println(しょうげきのじじつ);
    }
}

## argument_array.c
#include<stdio.h>

void hoge(int b[],int c[10],int *d)
{
  printf("b = 0x%p sizeof(b) = %lu\n",b,sizeof(b));
  printf("c = 0x%p sizeof(c) = %lu\n",c,sizeof(c));
  printf("d = 0x%p sizeof(d) = %lu\n",d,sizeof(d));
}

int main(void)

## int=int-long.c
#include<stdio.h>
int main(void)
{
  int  hoge=100;
  long huga=10000000000; /* 100億 */
  hoge-=huga;
  printf("%d\n",hoge);
  return 0;
}

## anser.c
#include<stdio.h>
int main(void)
{
  int  hoge=0x00000000ffff00ff;
  long huga=0xffffffffffffffff;
  int  a=hoge-huga;
  long b=hoge-huga;
  printf("a = %016x\n",a);
  printf("b = %-16lx\n",b);
  return 0;

## anser.c
#include<stdio.h>
int main(void)
{
  int  hoge=0x00000000ffff00ff;
  long huga=0x7fffffffffffffff;
  int  a=hoge-huga;
  long b=hoge-huga;
  printf("hoge : %016x %d\n",hoge,hoge);
  printf("huga : %016lx %ld\n",huga,huga);
  printf("   a : %016x %d\n",a,a);

## anser.c
#include<stdio.h>
int main(void)
{
  int  hoge=0x00000000ffff00ff;
  long huga=0xffffffffffffffff;
  int  a=hoge-huga;
  long b=hoge-huga;
  printf("a = %016x\n",a);
  printf("b = %-16lx\n",b);
  return 0;

## argument_sequence.c
#include<stdio.h>
void hoge(int x,int y,int z)
{
  printf("x = %d\n",x);
  printf("y = %d\n",y);
  printf("z = %d\n",z);
}
int main(void)
{
  int a=0;

## crazy_count_bits.c
#define count_bits(n) (0x0000ffff&((0x00ff00ff&((0x0f0f0f0f&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2)))+((0xf0f0f0f0&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2)))>>4)))+((0xff00ff00&((0x0f0f0f0f&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2)))+((0xf0f0f0f0&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2)))>>4)))>>8)))+((0xffff0000&((0x00ff00ff&((0x0f0f0f0f&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2)))+((0xf0f0f0f0&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2)))>>4)))+((0xff00ff00&((0x0f0f0f0f&((0x33333333&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))+((0xcccccccc&((0x55555555&(n))+((0xaaaaaaaa&(n))>>1)))>>2))

## count_bits1.c
int count_bits(int n)
{
  int i;
  int sum=0;
  for(i=sizeof(int)*8-1;i>=0;i--)
    sum+=(n>>i)&1;
  return sum;
}
	class Japanese_Variable_Identifier
	{
	public static void main(String[] args)
	{
	String しょうげきのじじつ = "Javaは変数名に日本語が使える!";
	System.out.println(しょうげきのじじつ);
	}
	}
	#include<stdio.h>

	void hoge(int b[],int c[10],int *d)
	{
	printf("b = 0x%p sizeof(b) = %lu\n",b,sizeof(b));
	printf("c = 0x%p sizeof(c) = %lu\n",c,sizeof(c));
	printf("d = 0x%p sizeof(d) = %lu\n",d,sizeof(d));
	}

	int main(void)
	#include<stdio.h>
	int main(void)
	{
	int hoge=100;
	long huga=10000000000; /* 100億 */
	hoge-=huga;
	printf("%d\n",hoge);
	return 0;
	}
	#include<stdio.h>
	int main(void)
	{
	int hoge=0x00000000ffff00ff;
	long huga=0xffffffffffffffff;
	int a=hoge-huga;
	long b=hoge-huga;
	printf("a = %016x\n",a);
	printf("b = %-16lx\n",b);
	return 0;
	#include<stdio.h>
	void hoge(int x,int y,int z)
	{
	printf("x = %d\n",x);
	printf("y = %d\n",y);
	printf("z = %d\n",z);
	}
	int main(void)
	{
	int a=0;
	int count_bits(int n)
	{
	int i;
	int sum=0;
	for(i=sizeof(int)*8-1;i>=0;i--)
	sum+=(n>>i)&1;
	return sum;
	}