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2845 01000001 的问题。

Posted by test_0105 at 2009-08-02 21:14:49
我的代码是:
#include <stdio.h>
#include <string.h>
long d2ten(char a[])//二进制转换十进制
{
	long result = 0;
	int len = strlen(a);
	int i;
	for(i=0;i<len;i++)
	{
		if(a[i]>='2')
			return -1;
		result = result*2;
		result = result + (a[i] - '0');
	}
	return result;
}
void ten2d(long n)//十进制转换二进制
{	
	int i;
	int j;
	long a[1000];
	for(i=0;i<1000;i++)
	{
		a[i] = n%2;
		n=n/2;
		if(n==0)
			break;
	}
	for(j=i;j>=0;j--)
	{
		printf("%d",a[j]);
	}
	printf("\n");
}
void main()
{
	int n;
	char a[85],b[85];
	int num=1;
	long r1;long r2;long r3;
	int i;

	scanf("%d",&n);
	for(i=0;i<n;i++)
	{
		scanf("%s %s",&a,&b);
		r1 = d2ten(a);
		r2 = d2ten(b);
		r3 = r1 + r2;

		printf("%d ",num++);
		ten2d(r3);
	}
}
测试的挺多的。可是一直不能通过。请高手帮忙指出我的代码的问题。谢谢!!

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