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2

修正個所の表示を変更しました。

2021/01/29 04:24

投稿

tatsu99
tatsu99

スコア5493

test CHANGED
@@ -400,135 +400,179 @@
400
400
 
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401
  ```diff
402
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403
- 32c32,33
404
-
405
- < if(hash->table=calloc(n,sizeof(HashRecord))==NULL){
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-
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- ---
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-
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- > hash->table = calloc(n,sizeof(HashRecord));
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-
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- > if (hash->table == NULL){
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-
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- 36d36
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-
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- < hash->table->state=EMPTY;
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-
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- 37a38,41
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-
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- > int i;
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-
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- > for (i = 0; i < n; i++){
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-
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- > hash->table[i].state=EMPTY;
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-
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- > }
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-
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- 50,54c54,57
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-
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- < int len =0;
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-
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- < while(s[len]) len++;
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-
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- < return len;
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-
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- < }
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-
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- <
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-
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- ---
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-
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- > int len =0;
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-
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- > while(s[len]) len++;
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-
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- > return len;
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-
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- > }
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-
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- 57,62c60,68
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-
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- < if(strLen(key)==0){return 0;}
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-
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- < else if(strLen(key)==1){
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-
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- < return key[0] % hash->size -8;
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-
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- < }else{
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-
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- < int n = strLen(key);
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-
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- < int x = (key[0] - 65 + 26* (key[n/2 -1] - 65) + 26 * 26 * (key[n-2] - 65 )) % hash->size;
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-
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- ---
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-
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- > int x;
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-
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- > if(strLen(key)==0){return 0;}
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-
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- > else if(strLen(key)==1){
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-
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- > x = key[0] % hash->size -8;
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-
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- > if (x < 0) x = 0;
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-
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- > }else{
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-
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- > int n = strLen(key);
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-
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- > x = (key[0] - 65 + 26* (key[n/2 -1] - 65) + 26 * 26 * (key[n-2] - 65 )) % hash->size;
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-
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- > }
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-
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- 65d70
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-
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- < }
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-
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- 71c76,77
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-
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- < *p = hash->table[h];
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-
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- ---
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-
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- > printf("hash-code=%d\n",h);
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-
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- > p = &hash->table[h];
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-
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- 75,76c81,82
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-
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- < *p->key = key;
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-
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- < *p->value = value;
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-
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- ---
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-
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- > strcpy(p->key,key);
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-
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- > strcpy(p->value,value);
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-
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- 86,87c92,93
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-
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- < *p = hash->table[h];
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-
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- < if(p->state == EMPTY && p->key != key){
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-
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- ---
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-
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- > p = &hash->table[h];
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-
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- > if(p->state == EMPTY || strcmp(p->key,key) != 0){
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-
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- 90,91c96,97
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-
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- < value = p->value;
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-
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- < return FALSE;
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-
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- ---
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-
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- > strcpy(value,p->value);
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-
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- > return TRUE;
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+ @@ -29,12 +29,16 @@
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+
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+ Hash* HashAlloc(int n){
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+
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+ Hash* hash=malloc(sizeof(Hash));
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+
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+
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+
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+ - if(hash->table=calloc(n,sizeof(HashRecord))==NULL){
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+
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+ + hash->table = calloc(n,sizeof(HashRecord));
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+
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+ + if (hash->table == NULL){
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+
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+ free(hash);
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+
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+ return NULL;
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+
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+ }
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+
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+ - hash->table->state=EMPTY;
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+
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+ hash->size=n;
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+
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+ + int i;
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+
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+ + for (i = 0; i < n; i++){
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+
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+ + hash->table[i].state=EMPTY;
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+
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+ + }
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+
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+
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+
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+ return hash;
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+
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+ }
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+
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+ @@ -47,33 +51,35 @@
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+
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+ int HashCode(Hash *hash,char *key){
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+
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+
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+
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+ int strLen(const char s[]){
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+
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+ - int len =0;
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+
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+ - while(s[len]) len++;
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+
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+ - return len;
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+
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+ -}
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+
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+ -
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+
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+ + int len =0;
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+
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+ + while(s[len]) len++;
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+
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+ + return len;
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+
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+ + }
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+
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+
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+
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+
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+
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+ -if(strLen(key)==0){return 0;}
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+
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+ -else if(strLen(key)==1){
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+
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+ - return key[0] % hash->size -8;
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+
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+ -}else{
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+
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+ - int n = strLen(key);
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+
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+ - int x = (key[0] - 65 + 26* (key[n/2 -1] - 65) + 26 * 26 * (key[n-2] - 65 )) % hash->size;
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+
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+ + int x;
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+
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+ + if(strLen(key)==0){return 0;}
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+
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+ + else if(strLen(key)==1){
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+
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+ + x = key[0] % hash->size -8;
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+
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+ + if (x < 0) x = 0;
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+
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+ + }else{
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+
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+ + int n = strLen(key);
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+
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+ + x = (key[0] - 65 + 26* (key[n/2 -1] - 65) + 26 * 26 * (key[n-2] - 65 )) % hash->size;
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+
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+ + }
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+
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+ return x;
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+
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+ }
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+
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+ -}
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+
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+
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+
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+ int HashAdd(Hash *hash, char *key, char *value){
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+
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+ int h=0;
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+
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+ HashRecord *p;
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+
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+ h=HashCode(hash,key);
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+
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+ - *p = hash->table[h];
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+
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+ + printf("hash-code=%d\n",h);
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+
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+ + p = &hash->table[h];
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+
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+ if(p->state == FULL){
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+
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+ return FALSE;
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+
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+ }
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+
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+ - *p->key = key;
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+
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+ - *p->value = value;
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+
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+ + strcpy(p->key,key);
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+
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+ + strcpy(p->value,value);
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+
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+ p->state =FULL;
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+
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+ return TRUE;
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+
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+
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+
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+ @@ -83,12 +89,12 @@
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+
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+ int h;
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+
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+ HashRecord *p;
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+
549
+ h=HashCode(hash,key);
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+
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+ - *p = hash->table[h];
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+
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+ - if(p->state == EMPTY && p->key != key){
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+
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+ + p = &hash->table[h];
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+
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+ + if(p->state == EMPTY || strcmp(p->key,key) != 0){
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+
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+ return FALSE;
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+
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+ }
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+
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+ - value = p->value;
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+
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+ - return FALSE;
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+
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+ + strcpy(value,p->value);
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+
569
+ + return TRUE;
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+
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+ }
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+
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+
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+
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+ // ハッシュテーブルのレコードを全て表示する(ハッシュが空でも表示).
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1

追記しました。

2021/01/29 04:24

投稿

tatsu99
tatsu99

スコア5493

test CHANGED
@@ -1,4 +1,4 @@
1
- とりあえず、動くようにしておきました。
1
+ とりあえず、動くようにしておきました。不明点があれば、質問してください。
2
2
 
3
3
  ```C
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4