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各位大虾帮忙看怎么优化啊

Posted by kevingl at 2003-10-13 23:57:35 on Problem 1002
感觉这种算法应该不会引起超时的,或者是我什么边界条件没考虑到??
#include<iostream.h>
#include<string.h>
#include<stdlib.h>
long a[100010];
int func_name(const void   *a,const void *b)
{   if (*( long int*) a>*( long int* )b) return 1;
		if( *( long int*)a<*( long int*) b) return -1;
		return 0;
}

int main()
{
 
 long i;
 long  n,j,index=0;
 cin>>n;
 int have=0;
 for(i=0;i<n;i++){
    long int num=0;
    //int judge=0;
    for( j=0;j<7;j++){
	char temp;
	cin>>temp;
	switch(temp){
    /*
	case 'Q':
	case 'Z':  judge=1;break;
	*/
	case '0':  num=num*10;break;
	case '1':  num=num*10+1;break;
	case '2':
	case 'A':
	case 'B':
	case 'C':  num=num*10+2;break;
	case '3':
	case 'D':
	case 'E':
	case 'F':  num=num*10+3;break;
	case '4':
	case 'G':
	case 'H':
	case 'I':  num=num*10+4;break;
	case '5':
	case 'J':
	case 'K':
	case 'L':  num=num*10+5;break;
	case '6':
	case 'M':
	case 'N':
	case 'O':  num=num*10+6;break;
	case '7':
	case 'P':
	case 'R':
	case 'S':  num=num*10+7;break;
	case '8':
	case 'T':
	case 'U':
	case 'V':  num=num*10+8;break;
	case '9':
	case 'W':
	case 'X':
	case 'Y':  num=num*10+9;break;
	default:
	j--;break;
       } //switch
    }// for j
    //if(judge==1) continue;
    a[index++]=num;
}//for i

qsort(a,index,sizeof(a[0]),func_name);
a[index]=-1;
long max=1;
int jud=0;
for( i=0;i<index;i++)
{
	if(a[i+1]==a[i]){max++;continue;}
    if(max==1)continue;
    long tempa=a[i]/10000,tempb=a[i]%10000;
		cout<<tempa/100;tempa=tempa%100;
		cout<<tempa/10;tempa=tempa%10;
		cout<<tempa<<'-';
		cout<<tempb/1000;tempb=tempb%1000;
		cout<<tempb/100;tempb=tempb%100;
		cout<<tempb/10;tempb=tempb%10;
		cout<<tempb<<' '<<max<<endl;

	jud=1;
	max=1;
}
if(jud==0)cout<<"No duplicates."<<endl;
return 0;
}

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