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À´Ô´£ºÓû§·ÖÏí ʱ¼ä£º2025/8/16 19:00:56 ±¾ÎÄÓÉloading ·ÖÏí ÏÂÔØÕâÆªÎĵµÊÖ»ú°æ
˵Ã÷£ºÎÄÕÂÄÚÈݽö¹©Ô¤ÀÀ£¬²¿·ÖÄÚÈÝ¿ÉÄܲ»È«£¬ÐèÒªÍêÕûÎĵµ»òÕßÐèÒª¸´ÖÆÄÚÈÝ£¬ÇëÏÂÔØwordºóʹÓá£ÏÂÔØwordÓÐÎÊÌâÇëÌí¼Ó΢ÐźÅ:xxxxxxx»òQQ£ºxxxxxx ´¦Àí£¨¾¡¿ÉÄܸøÄúÌṩÍêÕûÎĵµ£©£¬¸ÐлÄúµÄÖ§³ÖÓëÁ½⡣

{ temp=r[1];/*½«¶Ñ¶¥ÔªËØr[1]Óë×îºóÒ»¸öÔªËØ½»»»Î»ÖÃ*/ r[1]=r[i];

r[i]=temp;

shift(r,1,i-1);/*½«Êý×éÔªËØr[1]µ½r[i-1]ÖØÐµ÷Õû³ÉΪһ¸öжÑ*/

}/*FOR*/ }/*HEAP_SORT*/

/*¶þ·¹é²¢ÅÅÐòËã·¨ÈçÏÂ*/

void merge(rectype *a,rectype *r,int low,int mid,int high) { int i,j,k; i=low;j=mid+1;k=low;

while((i<=mid)&&(j<=high))/*½«Á½¸öÏàÁÚÓÐÐò×Ó±í½øÐкϲ¢*/ { if(a[i].key<=a[j].key)/*È¡Á½±íÖÐСÕ߸´ÖÆ*/ r[k++]=a[i++]; else r[k++]=a[j++]; }

while(i<=mid) r[k++]=a[i++];/*¸´ÖƵÚÒ»¸öÓÐÐò×Ó±íµÄÊ£Óà¼Ç¼*/ while(j<=high) r[k++]=a[j++];/*¸´ÖƵڶþ¸öÓÐÐò×Ó±íµÄÊ£Óà¼Ç¼*/ }/*MERGE*/

void merge_pass(rectype *r,rectype *r1,int length) { int i=1,j,n=NUM;

while ((i+2*length-1)<=n)/*¹é²¢Èô¸É³¤¶ÈΪ2*lengthµÄÁ½¸öÏàÁÚÓÐÐò×Ó±í*/ { merge(r,r1,i,i+length-1,i+2*length-1); i=i+2*length;/*iÖ¸ÏòÏÂÒ»¶ÔÓÐÐò×Ó±íµÄÆðµã*/ }

if(i+length-1

merge(r,r1,i,i+length-1,n);/*´¦Àí±í³¤²»×ã2*lengthµÄ²¿·Ö*/ else for(j=i;j<=n;j++)

r1[j]=r[j];/*½«×îºóÒ»¸ö×Ó±í¸´ÖÆµ½r1ÖÐ*/ }/*MERGEPASS*/

8

void merge_sort(rectype *r) { int length; rectype r1[MAX];

length=1;/*¹é²¢³¤¶È´Ó1¿ªÊ¼*/ while(length

{ merge_pass(r,r1,length);/*Ò»Ì˹鲢£¬½á¹û´æ·ÅÔÚr1ÖÐ*/ length=2*length;/*¹é²¢ºóÓÐÐò±íµÄ³¤¶È¼Ó±¶*/

merge_pass(r1,r,length);/*Ôٴι鲢£¬½á¹û´æ·ÅÔÚrÖÐ*/ length=2*length;/*Ôٴν«¹é²¢ºóÓÐÐò±íµÄ³¤¶È¼Ó±¶*/ }

}/*MERGE_SORT*/

void creat_randnum(int *a )/*²úÉú¸ø¶¨¸öÊýºÍ·¶Î§µÄËæ»úÕûÊýº¯Êý*/ { int i; int range=30000; srand(time(NULL)); for(i=1;i<=NUM;i++)

{a[i]=rand();} /*µ÷ÓÃrandÉú³ÉËæ»úÕûÊý*/

printf(\ÅÅÐòǰµÄÔ­Ê¼Ëæ»úÕûÊýΪ:\\n\\n\\t\for(i=1;i<=NUM;i++)

{ printf(\Êä³öËæ»úÕûÊý*/ if(i==0) printf(\}printf(\}/*CREAT_RANDNUM*/

void create() /*²úÉúNUM¸öËæ»úÕûÊý²¢±£´æµ½¼Ç¼Êý×ésÖÐ*/ { int b[MAX]; int range=30000,i;

creat_randnum(b); /*µ÷ÓÃËæ»úÕûÊýÉú³Éº¯Êý£¬½á¹û´æ·ÅÔÚÊý×ébÖÐ*/ for(i=1;i<=NUM;i++)

s[i].key=b[i];/*½«Ëæ»úÕûÊý´æ·Åµ½Êý×ésÖÐ*/

9

s1=s;/*s1Ö¸Ïòs,ÒԱ㱣´æÔ­Ê¼Êý¾Ý*/ }/*CREAT*/

void print_record(rectype *r)/*¼Ç¼Êý×éµÄÊä³öº¯Êý*/ { int i;

printf(\ÅÅÐòºóµÄÓÐÐòËæ»úÕûÊý:\\n\\n\\t\for(i=1;i<=NUM;i++) {printf(\ if(i==0) printf(\}getchar();getchar(); }/*PRINTRECORD*/

int menu_select()/*Ö÷²Ëµ¥Ñ¡ÔñÄ£¿é*/ { char c; int kk;

system(\ÇåÆÁº¯Êý*/

printf(\ÄÚÅÅÐòËã·¨µÄ±È½Ï----Ö÷¿ØÄ£¿é:\\n\\n\printf(\Ö±½Ó²åÈëÅÅÐò\\n\printf(\Ï£¶ûÅÅÐò\\n\printf(\ðÅÝÅÅÐò\\n\printf(\¿ìËÙÅÅÐò\\n\printf(\Ö±½ÓÑ¡ÔñÅÅÐò\\n\printf(\¶ÑÅÅÐò\\n\printf(\¶þ·¹é²¢ÅÅÐò\\n\printf(\Í˳ö\\n\

do {printf(\Çë°´Êýλ0¡ª7¼üÑ¡Ôñ¹¦ÄÜ:\ c=getchar(); kk=c-48; }while ((kk<0)||(kk)>7); return(kk); }/*MENU_SELECT*/

main() /*Ëã·¨±È½Ï--Ö÷³ÌÐòÄ£¿é*/

10

{

double time1, time2, time3, time4, time5, time6, time7;

clock_t start, finish;

int kk;

do {kk=menu_select(); /*½øÈëÖ÷²Ëµ¥Ñ¡ÔñÄ£¿é*/ if(kk!=0) create(); /*½¨Á¢¼Ç¼Êý×é*/ switch(kk)

{ case 1:{

case 2:{ start=clock();

case 3:{ start=clock();

case 4:{ start=clock();

case 5:{ start=clock();

start=clock(); insert_sort(s1); finish=clock();

time1 = (double)(finish - start)/ CLOCKS_PER_SEC ; printf( \Ö±½Ó²åÈëÅÅÐòºÄʱ%f seconds\\n\

shell_sort(s1); finish=clock();

time2 = (double)(finish - start)/ CLOCKS_PER_SEC ; printf( \Ï£¶ûÅÅÐòºÄʱ%f seconds\\n\

bubble_sort(s1); finish=clock();

time3 = (double)(finish - start)/ CLOCKS_PER_SEC ;

printf( \ðÅÝÅÅÐòºÄʱ%f seconds\\n\

quick_sort(s1,1,NUM); finish=clock();

time4 = (double)(finish - start)/ CLOCKS_PER_SEC ;

printf( \¿ìËÙÅÅÐòºÄʱ%f seconds\\n\

select_sort(s1); finish=clock();

11

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