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Re:为什么我的程序在VC上运行完全正常,到了这里就是runtime-error

Posted by daxiaozhi at 2008-04-04 15:42:22 on Problem 1001
In Reply To:为什么我的程序在VC上运行完全正常,到了这里就是runtime-error Posted by:RiverM at 2007-10-07 21:41:11
> 程序如下
> #include<stdio.h>
> int main()
> {
>    int n=0,i=0,j=0,bit=5;
>    char R[6],res[126];
>    int r1[125],r2[125];
>    int multiplication(int r1[],int r2[]);
>    while(scanf("%s %d",R,&n))
>    {   
> 	   i=5;                   
>    while(R[i]=='0')          
> 	   i--;
>    j=5;
>    for(i;i>=0;i--)
>    {
> 	   R[j]=R[i];
> 	   j--;
>    }
>    for(j;j>=0;j--)
> 	   R[j]='0';
>    while(R[bit] != '.')       
> 	   bit--;
>    for(i=bit;i>0;i--)          
> 	   R[i]=R[i-1];     
>    for(i=124;i>119;i--)
>    {
> 	   r1[i]=r2[i]=R[i-119]-48;
>    }
>    for(i;i>=0;i--)
>    {
> 	   r1[i]=r2[i]=0;
>    }
>     bit=n * (5-bit); 
>     for(i=0;i<n-1;i++)
> 	{
> 		multiplication(r1,r2);     
>     }
>    for(i=0;i<125-bit;i++)
>    {
>       res[i]=r1[i]+48;
>    }
>     if(i!=125)
>    res[i]='.';  
>    i++;
>    for(i;i<126;i++)
>         res[i]=r1[i-1]+48;
>    i=0;
>    while(res[i]=='0')
> 	   i++;
>    for(i;i<126;i++)
>       printf("%c",res[i]); 
>    printf("\n"); 
>    }
>    return 0;
> }
> int multiplication(int r1[],int r2[])
> {
> 	 static int save[125][125];
>      int i=0,j=0,k=0,temp=0;
> 	 for(i=0;i<125;i++)
> 		 for(j=0;j<125;j++)
> 			 save[i][j]=0;
>      for(i=124;i>=0;i--)
> 	 {	 
> 		 k=i;
> 		 for(j=124;j>=0;j--)
>          {
> 			 temp=save[i][k];
>             save[i][k]=(r1[j]*r2[i]+save[i][k]) % 10;
> 			save[i][k-1]=(r1[j]*r2[i]+temp+save[i][k-1]*10) /10;
> 			k--; 
> 		 }
> 	 }
> 	 for(j=124;j>0;j--)
> 	 {
> 			 r1[j]=0;
> 	 }
> 	 for(j=124;j>0;j--)
> 	 {
> 		 for(i=0;i<125;i++)
> 		 {
> 			 r1[j]+=save[i][j];
> 		 }
> 		    r1[j-1]=r1[j]/10;
> 		 	 r1[j]=r1[j]%10;
> 	 }
>      return 0;
> }

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