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各位大哥,可不可以帮我看一下我这个程序错在哪里?老是出现wrong answer,但我觉得没错呀!

Posted by scut_hcy at 2012-08-30 20:39:57 on Problem 1007
#include<iostream>
using namespace std;
int main()
{
	int m,n;
    cin>>m>>n;
	if(m<=0||m>50||n<=0||n>100) exit(0);
	char *a=new char[m*n+2];
	int *b=new int[n+1];
	for(int c=1;c<n+1;c++)
		b[c]=0;
	for(int i=1;i<m*n+1;i++)
	{cin>>a[i];
	if(a[i]!='A'&&a[i]!='C'&&a[i]!='G'&&a[i]!='T')
		exit(0);
	}a[m*n+1]='\0';
	for(int k=1;k<n+1;k++)
	{ int s=m*(k-1)+1;
	   for( ;s<m*k+1;s++)
	   {int t=s+1;
	    for( ;t<m*k+1;t++)
		{if(a[s]>a[t]) b[k]++;}
	   }
	}
	int *q=new int[n+1];
	for(int d=1;d<n+1;d++)
		q[d]=0;
	for(int h=1;h<n+1;h++)
	  {int temp=b[h];int l;
	       q[h]=h;
		       for(int j=1;j<n+1;j++)
	               {
	                  if(temp>b[j]) 
	                    {temp=b[j];l=j;q[h]=j;}
			   }
			   b[l]=1000;
	}
	for(int i=1;i<n;i++)
	    {for(int s=m*(q[i]-1)+1;s<m*q[i]+1;s++)
              { cout<<a[s];}
			cout<<endl;
	}
	for(int s=m*(q[n]-1)+1;s<m*q[n]+1;s++)
      cout<<a[s];
	return 0;
}

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