47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*-----------------------------------------------------------------------
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【程序设计】
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-------------------------------------------------------------------------
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题目：编写函数实现用除二取余的方法，把任意一个十进制正数的二进制序列输出
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（不考虑溢出）
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程序输入输出如下所示
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Enter a decimal number: 2
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The binary representation is: 10
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-------------------------------------------------------------------------
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------------------------------------------------------------------------*/
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#include <stdio.h>
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#include <stdlib.h>
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void decimalToBinary(int decimal)
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{
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int remainder;
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int len = 0;
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char binary[32];
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int i;
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if (decimal == 0)
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{
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printf("0");
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return;
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}
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/**********Program**********/
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for(i=0;decimal>0;i++,decimal/=2){
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binary[i] = decimal%2+48;
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}
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binary[i] = '\0';
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i--;
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for(;i>len;i--){
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remainder = binary[len];
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binary[len] = binary[i];
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binary[i] = remainder;
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len++;
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}
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/********** End **********/
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printf("%s\n", binary);
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}
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int main()
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{
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int number;
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printf("【Enter a decimal number: 】");
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scanf("%d", &number);
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printf("【The binary representation is: 】");
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decimalToBinary(number);
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}
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