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Re:终于ac了。。。心都碎了!!!!改过!!!In Reply To:Re:终于ac了。。。心都碎了!!!! Posted by:xxnan at 2010-12-08 20:25:27 #include<stdio.h>
#define N 82
main()
{
int n,i,j,l1,l2,k,x,y,flag;
char s[N],t[N];
int a[N],b[N],c[N];
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%s%s",s,t);x=0;y=0;flag=1;
l1=strlen(s);l2=strlen(t);
for(j=0;j<l1;j++)
{a[j]=(s[j]-48);
if(a[j]==0)x++;
}
for(j=0;j<l2;j++)
{b[j]=(t[j]-48);
if(b[j]==0)y++;
}
if(x==l1&&y==l2)
{printf("%d ",i);
printf("0\n");}
else
{
if(l1>l2)
{
for(j=0;j<l1-l2;j++)
c[j]=0;
for(j=l1-l2;j<l1;j++)
c[j]=b[j-l1+l2];
for(k=l1-1;k>0;k--)
{
a[k-1]+=(a[k]+c[k])/2;
a[k]=(a[k]+c[k])%2;
}
a[0]=a[0]+c[0];
if(a[0]>=2)
{
a[0]=a[0]%2;
printf("%d ",i);
printf("1");
for(k=0;k<=l1-1;k++)
printf("%d",a[k]);
printf("\n");
}
else
{
printf("%d ",i);
for(k=0;k<=l1-1;k++)
{
if(a[k]==0&&flag!=0)continue;
printf("%d",a[k]);flag=0;}
printf("\n");
}
}
else
{
for(j=0;j<l2-l1;j++)
c[j]=0;
for(j=l2-l1;j<l2;j++)
c[j]=a[j-l2+l1];
for(k=l2-1;k>0;k--)
{
b[k-1]+=(b[k]+c[k])/2;
b[k]=(b[k]+c[k])%2;
}
b[0]=b[0]+c[0];
if(b[0]>=2)
{
b[0]=b[0]%2;
printf("%d ",i);
printf("1");
for(k=0;k<=l2-1;k++)
printf("%d",b[k]);
printf("\n");
}
else
{
printf("%d ",i);
for(k=0;k<=l2-1;k++)
{
if(b[k]==0&&flag!=0)continue;
printf("%d",b[k]);
flag=0;}
printf("\n");
}
}
}
}
return 0;
}
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