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纪念100题,pku的pow函数第一个参数必须为double或者float型,不能为int,又粗心贡献了一次WA,汗~

Posted by zxzhangxin at 2009-04-21 20:44:03 on Problem 2105
#include<stdio.h>
#include<math.h>
#include<memory.h>
int main()
{
	int n;
	char str[50];
	int a[4];
	int i,j,k,temp;
	scanf("%d",&n);
	getchar();
	while(n--){
		gets(str);
		memset(a,0,sizeof(a));
		j = 0;
		for(i=0;i<32;i++){
			temp = str[i] - '0';
			k = 7 - i%8;
			a[j] += temp * (int)pow(2.0,k);
			if(i%8==7)
				j++;
		}
		printf("%d.%d.%d.%d\n",a[0],a[1],a[2],a[3]);
	}
	return 0 ;
}

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