time5 = (double)(finish - start)/ CLOCKS_PER_SEC ;
printf( \Ö±½ÓÑ¡ÔñÅÅÐòºÄʱ%f seconds\\n\
case 6:{ start=clock();
heap_sort(s1); finish=clock();
time6 = (double)(finish - start)/ CLOCKS_PER_SEC ;
printf( \¶ÑÅÅÐòºÄʱ%f seconds\\n\
case 7:{ start=clock();
merge_sort(s1);
finish=clock();
time7 = (double)(finish - start)/ CLOCKS_PER_SEC ;
printf( \¶þ·¹é²¢ÅÅÐòºÄʱ%f seconds\\n\
case 0:{ exit(0);} }print_record(s1);
}while (kk!=0); }/*MAIN*/
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