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fixed bug in swap_by_next

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This commit is contained in:
Kaehvaman 2024-11-12 14:21:55 +04:00
parent 60b625c6b3
commit dad0e62672
1 changed files with 16 additions and 8 deletions
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24
lab20/lab20/main.c
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@ -21,11 +21,13 @@ void addToHead(int value) {
}
void printNodeList() {
int i = 0;
printf("first -> ");
NODE* ptr = first;
while (ptr != NULL) {
printf("(%d) -> ", ptr->data);
printf("(%d)[%d] -> ", ptr->data, i);
ptr = ptr->next;
i++;
}
printf("NULL\n");
}
@ -318,10 +320,10 @@ void swap_by_next(int i, int j) {
NODE* prev_ptr = first;
NODE* ptr = first->next;
NODE* i_prev = prev_ptr;
NODE* i_ptr = ptr;
NODE* j_prev = prev_ptr;
NODE* j_ptr = ptr;
NODE* i_prev = first;
NODE* i_ptr = first;
NODE* j_prev = first;
NODE* j_ptr = first->next;
int index = 1;
while (ptr != NULL) {
@ -347,8 +349,13 @@ void swap_by_next(int i, int j) {
ptr = ptr->next;
index++;
}
if (i == 0) {
first = j_ptr;
}
else {
i_prev->next = j_ptr;
}
j_prev->next = i_ptr;
i_prev->next = j_ptr;
NODE* tmp = i_ptr->next;
i_ptr->next = j_ptr->next;
j_ptr->next = tmp;
@ -404,7 +411,7 @@ void bubbleSort_by_next() {
NODE* ptrj = first;
while (ptrj->next != NULL) {
if (ptrj->data > ptrj->next->data) {
swap_by_data(j, j + 1);
swap_by_next(j, j + 1);
}
j++;
ptrj = getNode(j);
@ -436,7 +443,8 @@ void task12() {
printf("\n====== task12 ======\n");
listTemplate();
printNodeList();
swap_by_next(1, 5);
swap_by_next(0, 2);
swap_by_next(3, 5);
printNodeList();
}