一个进制转换的小技巧
设置一个字符数组
比如char xy[20] =
{
‘0’, ‘1’, ‘2’, ‘3’, ‘4’,
‘5’, ‘6’, ‘7’, ‘8’, ‘9’,
‘A’, ‘B’, ‘C’, ‘D’, ‘E’,
‘F’, ‘G’, ‘H’, ‘I’, ‘J’
};
那么原数为A,进制转换为
存放数组[i]=xy[A%进制]
源代码
include[HTML_REMOVED]
void pan(int a,int b,int c)
{
char xy[20] =
{
‘0’, ‘1’, ‘2’, ‘3’, ‘4’,
‘5’, ‘6’, ‘7’, ‘8’, ‘9’,
‘A’, ‘B’, ‘C’, ‘D’, ‘E’,
‘F’, ‘G’, ‘H’, ‘I’, ‘J’
};
char x[1000];
char y[1000];
int x_num=0,y_num=0;
while(b)
{
y[y_num]= xy[b%c];
b/=c;
}
for(int i=1,j=y_num;i[HTML_REMOVED]=1;i–)
printf(“%c”,x[i]);
printf(” “);
for(int i=y_num;i>=1;i–)
printf(“%c”,y[i]);
printf(“\n”);
}
int main()
{
int n;
scanf(“%d”,&n);
for(int i=1;i<=300;i)
{
pan(i,i*i,n);
}
}