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/* binary.c -- prints integer in binary form */
#include <stdio.h>
void to_binary(unsigned long n);
int main(void)
{
unsigned long number;
printf("Enter an integer (q to quit):\n");
while (scanf("%ul", &number) == 1)
{
printf("Binary equivalent: ");
to_binary(number);
putchar(‘\n‘);
printf("Enter an integer (q to quit):\n");
}
printf("Done.\n");
return 0;
}
void to_binary(unsigned long n) /* recursive function */
{
int r;
r = n % 2;
if (n >= 2)
to_binary(n / 2);
putchar(‘0‘ + r);
return;
}
【C语言】《C Primer Plus》递归:以二进制形式输出整数
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原文地址:http://www.cnblogs.com/FaixiaGavin/p/4294461.html