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还是WA 谁能指点一下In Reply To:为什么会WA hawk加了什么数据 还是写题风格或是编译器差别? Posted by:zzningxp at 2005-09-11 18:13:12 #include <stdio.h>
#include <string.h>
int main()
{
char st[40];
int i,j,k,m,r,d,ln,t,a[40]={0};
while (scanf("%s",st) && st[0]!='.')
{
ln=strlen(st)-1;
for (d=-1,i=0;i<=ln;i++)
{
if (st[i]=='.')
d=i;
if (d==-1)
a[i]=st[i]-'0';
else
if (st[i]!='.')
a[i-1]=st[i]-'0';
}
a[ln]=0;
for (i=ln-1;i>=0;i--)
if ((a[i]==2 || a[i]==6) &&
(a[i]+3<a[i+1] || a[i]>=a[i+1]))
{
a[i]+=3;
for (j=i+1;j<ln;j++)
if (a[j]==5 || a[j]==9)
a[j]-=3;
for (j=i+1;j<ln;j++)
for (k=j+1;k<ln;k++)
if (a[j]>a[k])
{
t=a[j];
a[j]=a[k];
a[k]=t;
}
break;
}
else
if (a[i]<a[i+1])
{
m=20;
r=i;
k=0;
for (j=ln-1;j>i;j--)
{
if (a[j]>a[i])
if (a[j]-a[i]<m)
{
m=a[j]-a[i];
r=j;
}
if ((a[j]==5 || a[j]==9) && a[j]-3>a[i])
if (a[j]-3-a[i]<m)
{
m=a[j]-3-a[i];
r=j;
k=1;
}
}
if (k)
a[r]-=3;
t=a[i];
a[i]=a[r];
a[r]=t;
for (j=i+1;j<ln;j++)
if (a[j]==5 || a[j]==9)
a[j]-=3;
for (j=i+1;j<ln;j++)
for (k=j+1;k<ln;k++)
if (a[j]>a[k])
{
t=a[j];
a[j]=a[k];
a[k]=t;
}
break;
}
if (i<0)
printf("The price cannot be raised.");
else
for (i=0;i<ln;i++)
{
if (i==d)
printf(".");
printf("%d",a[i]);
}
printf("\n");
}
return 0;
}
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