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4¡¢¶þ·¹é²¢ÖеÄ\Ò»Ì˹鲢\Ëã·¨ Îå¡¢²Ù×÷Òªµã

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#include

#define KEYTYPE int #define MAXSIZE 100 typedef struct { KEYTYPE key; }SSELEMENT;

typedef struct

{ SSELEMENT r[MAXSIZE]; int len; }SSTABLE;

int seq_search(KEYTYPE k, SSTABLE *st) {/*˳Ðò±íÉϲéÕÒÔªËØ*/ int j;

j = st->len; /*˳Ðò±íÔªËØ¸öÊý*/

st->r[0].key = k; /*st->r[0]µ¥Ôª×÷Ϊ¼àÊÓÉÚ*/ while(st->r[j].key != k) j--; /*˳Ðò±í´ÓºóÏòǰ²éÕÒ*/

return j; /*j=0, ÕÒ²»µ½£»j<>0 ÕÒµ½*/ }

main( )

{ SSTABLE a; int i, j, k;

printf(\ÇëÊäÈë˳Ðò±íÔªËØ(ÕûÐÍÁ¿)£¬Óÿոñ·Ö¿ª£¬-99Ϊ½áÊø±êÖ¾ £º\j = 0; k = 1; i = 0; scanf(\while (i != -99)

{ j++; a.r[k].key = i; k++; scanf(\ÊäÈë˳Ðò±íÔªËØ*/ a.len = j;

printf(\˳Ðò±íÔªËØÁбíÏÔʾ £º\for (i = 1; i<=a.len; i++) printf(\printf(\

printf(\ÊäÈë´ý²éÔªËØ¹Ø¼ü×Ö : \scanf(\

k = seq_search(i, &a);

if (k == 0) printf(\±íÖдý²éÔªËØ²»´æÔÚ\\n\\n\

else printf(\±íÖдý²éÔªËØ´æÔÚ,ΪµÚ%d¸öÔªËØ\\n\£¬k ); }

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#include

#define KEYTYPE int #define MAXSIZE 100 typedef struct { KEYTYPE key; }SSELEMENT;

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typedef struct

{ SSELEMENT r[MAXSIZE]; int len; }SSTABLE;

int search_bin(KEYTYPE k, int low, int high) { /*ÓÐÐò±íÉ϶þ·Ö·¨²éÕÒ,µÝ¹éËã·¨*/ int mid; mid = -1;

if(low <= high) /*low ±íʾµ±Ç°±íÖеÚ1¸öÔªËØËùÔÚϱê*/ /*high±íʾµ±Ç°±íÖÐ×îºóÒ»¸öÔªËØËùÔÚϱê*/ {

mid = (low +high)/2; /*mid±íʾµ±Ç°±íÖÐÖмäÒ»¸öÔªËØËùÔÚϱê*/ if(a.r[mid].key < k)

mid = search_bin(k, mid + 1,high); /*¶þ·Ö·¨µÝ¹é²éÕÒ*/

else if(a.r[mid].key > k)

mid = search_bin(k,low,high - 1);

}

return mid; /*mid = -1 ²éÕÒ²»³É¹¦£»mid!=-1 ²éÕҳɹ¦*/ }

main( )

{ SSTABLE a; int i, j, k;

printf(\ÇëÊäÈëÓÐÐò±íÔªËØ£¬ÔªËØÎªÕûÐÍÁ¿£¨´ÓСµ½´óÊäÈ룩£¬Óÿոñ·Ö¿ª£¬-99Ϊ½áÊø±ê

Ö¾ £º\

j = 0; k = 1; i = 0; scanf(\while (i != -99)

{ j++; a.r[k].key = i; k++; scanf(\ÊäÈëÓÐÐò±íÔªËØ*/ a.len = j;

printf(\ÓÐÐò±íÔªËØÁбíÏÔʾ £º\for (i = 1; i<=a.len; i++) printf(\printf(\

printf(\ÊäÈë´ý²éÔªËØ¹Ø¼ü×Ö : \scanf(\

k = search_bin(i, 1, a.len);

if (k == -1) printf(\±íÖдý²éÔªËØ²»´æÔÚ\\n\\n\

else printf(\±íÖдý²éÔªËØ´æÔÚ,ΪµÚ%d¸öÔªËØ\\n\£¬k); }

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#include

#define KEYTYPE int #define MAXSIZE 100

int createList(RECNODE *r) { int j, k;

printf(\ÊäÈë´ýÅÅÐòÊý¾Ý(ÕûÊý£¬ÒÔ¿Õ¸ñ¸ô¿ª£¬0 ½áÊø) : \ while(j != 0) { k++; r[k].key = j; scanf(\ return k; }

frontdisplayList(RECNODE *r, int n) {int i;

printf(\ÅÅÐòǰ : \

for (i = 0; i < n; i++) printf(\

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printf(\}

reardisplayList(RECNODE *r, int n) {int i;

printf(\ÅÅÐòºó : \

for (i = 0; i < n; i++) printf(\ printf(\}

void insertsort(RECNODE *r, int n) {/*Ö±½Ó²åÈëÅÅÐò*/ int i,j; for(i = 2; i <= n; i++) { r[0] = r[i];

j = i - 1; /*r[0]ÊǼàÊÓÉÚ£¬j±íʾµ±Ç°ÒÑÅźÃÐòÁеij¤¶È*/

while(r[0].key < r[j].key) /*È·¶¨²åÈëλÖÃ*/ {r[j + 1] = r[j]; j--;} r[j + 1] = r[0]; /*ÔªËØ²åÈë*/ } }

void bublesort(RECNODE *r, int n) {/*¼òµ¥½»»»ÅÅÐò:ðÅÝÅÅÐò*/ int i, j; RECNODE temp; for(i = 1; i < n; i++) for(j = n - 1; j >= i; j--) if(r[j + 1].key < r[j].key) {temp = r[j + 1]; r[j + 1] = r[j]; r[j] = temp;} }

int partition(RECNODE *r, int *low, int *high)

{/*Ò»ÌË¿ìËÙÅÅÐò,·µ»Øi,²úÉúÁËÁ½¸ö¶ÀÁ¢µÄ´ýÅÅ×ÓÐòÁÐ*/ int i, j; RECNODE temp; i = *low; j = *high; temp = r[i]; /*ÊàÖá¼Ç¼±£´æÔÚtemp±äÁ¿ÖÐ*/ do

{ while((r[j].key >= temp.key) && (i < j))

j--; /*jÖ¸Õë¼Ç¼ºÍÊàÖá¼Ç¼±È½Ï*/

if(i < j) { r[i] = r[j]; i++;} while((r[i].key <= temp.key) && (i < j))

i++; /*iÖ¸Õë¼Ç¼ºÍÊàÖá¼Ç¼±È½Ï*/

if(i < j) { r[j] = r[i]; j--;} } while(i != j); r[i] = temp; /*ÊàÖá¼Ç¼µÄÅÅÐòλÖÃÈ·¶¨ÔÚi*/ return i; }

void quicksort(RECNODE *r, int start, int end) {/*¿ìËÙÅÅÐò*/ int i; if(start < end) { i = partition(r, &start, &end);

/*Ò»ÌË¿ìËÙÅÅÐò,·µ»Øi,²úÉúÁËÁ½¸ö¶ÀÁ¢µÄ´ýÅÅ×ÓÐòÁÐ*/

quicksort(r, start, i - 1);

/*¶ÔÁ½¸ö¶ÀÁ¢µÄ´ýÅÅ×ÓÐòÁзֱðµÝ¹éµ÷ÓÿìËÙÅÅÐòËã·¨*/

quicksort(r, i + 1,end);}

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}

void selesort(RECNODE *r, int n) {/*¼òµ¥Ñ¡ÔñÅÅÐò*/ int i,j,k; RECNODE temp; for(i = 1; i < n; i++) { k = i; /*k:×îС¹Ø¼ü×ֵijõʼλÖÃ*/ for(j = i + 1; j <= n; j++) if(r[j].key < r[k].key) k = j; /*k:¸ú×ټǼµ±Ç°×îС¹Ø¼ü×ÖµÄλÖÃ*/ if(k != i) /*×îС¹Ø¼ü×ÖÔªËØºÍ´ýÅÅÐòÁеĵÚÒ»¸öÔªËØ½»»»*/ {temp = r[i]; r[i] = r[k]; r[k] = temp;} } }

void sift(RECNODE *r, int i, int m)

{/*iÊǸù½áµã±àºÅ,mÊÇÒÔi½áµãΪ¸ùµÄ×ÓÊ÷ÖÐ×îºóÒ»¸ö½áµãµÄ±àºÅ*/ int j; RECNODE temp; temp = r[i]; j = 2 * i; /*jΪi¸ù½áµãµÄ×óº¢×Ó*/ while(j <= m) {if(j < m && (r[j].key < r[j + 1].key)) j++; /*µ±i½áµãÓÐ×óÓÒº¢×Óʱ,jÈ¡¹Ø¼ü×Ö´óµÄº¢×Ó½áµã±àºÅ*/ if(temp.key < r[j].key) /*°´¶Ñ¶¨Òåµ÷Õû,²¢ÏòÏÂÒ»²ãɸѡµ÷Õû */ { r[i] = r[j]; i = j; j = 2 * i;} else break; /*ɸѡµ÷ÕûÍê³É,Ìø³öÑ­»· */ } r[i] = temp; }

void heapsort(RECNODE *r, int n)

{/*¶ÑÅÅÐò: nΪr±íÖмǼÊý,´Ór[1]¿ªÊ¼·ÅÆð*/ int i; RECNODE temp; for(i = n/2; i >= 1; i--) sift(r, i, n); /*½«ÎÞÐòÐòÁн¨³É´ó¶Ñ*/ for(i = n; i >= 2; i--) {temp = r[1]; /*¶Ñ¶¥¼°¶ÑÎ²ÔªËØ½»»»*/ r[1] = r[i]; r[i] = temp; sift(r,1,i - 1);

/*½»»»ºó,´ÓµÚÒ»¸öÔªËØ¿ªÊ¼µ÷ÕûΪ´ó¶Ñ,ÿ´Î¼Ç¼¸öÊýÉÙÒ»¸ö*/

} }

void merge(RECNODE *r, int low, int m, int high)

{ /*Á½ÏàÁÚµÄÓÐÐò±í(Ò»¸ö´Ólowµ½m;ÁíÒ»¸ö´Óm+1µ½high)*/ /*ºÏ²¢ÎªÒ»¸öÓÐÐò±í(´Ólowµ½high)*/

RECNODE r1[MAXSIZE]; /*ºÏ²¢Ê±ÓõĻº³åÏòÁ¿*/ int i, j, k; i = low; j = m + 1; k = 0; while(i <= m && j <= high) /*Á½ÏàÁÚµÄÓÐÐò±íºÏ²¢*/ if(r[i].key <= r[j].key) {r1[k] = r[i]; i++; k++;}

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