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| #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_BRANCHES 3
#define DECORATION_NONE 0
#define DECORATION_CANDLE 1
#define DECORATION_SPARKLER 2
typedef struct TNode {
struct TNode * m_Parent;
struct TNode * m_Branches[MAX_BRANCHES];
int m_Decoration;
} TNODE;
int CreateTree(TNODE ** root, char * str, int decor) {
/*
printf("\n\nprohod rekursivnoj funkcii create tree\n\n");
*/
TNODE *tmp;
int i, l, q, w, e;
if ((2 < (((int) str[0]) - 48)) || (0 > (((int) str[0]) - 48))) {
return 0;
}
q = (int) (str[0])-(int) (48);
w = 0;
e = 2;
if ((q < w) || (q > e)) {
/*
printf("oshibka v zadanii puti\n\n\n");
*/
return 0;
}
/*
printf("vhodnaja stroka => '%s'\n", str);
*/
l = ((int) str[0]) - 48;
/*
printf("uzel nomer '%d'", l);
*/
if ((*((*root))).m_Branches[l] == NULL) {
/*
printf("sozdanie uzla\n", l);
printf("%d\n", sizeof (TNODE));
*/
tmp = (TNODE *) malloc(sizeof (TNODE));
/*
printf("vydelenie pameti\n", l);
*/
/*
printf(" ==> vydelena pamet po adresu %p", tmp);
*/
(*(tmp)).m_Decoration = 0;
for (i = 0; i < MAX_BRANCHES; i++) {
(*(tmp)).m_Branches[i] = NULL;
}
(*tmp).m_Parent = (*root);
(*(*root)).m_Branches[l] = tmp;
} else {
/*
printf("uzel sushestvuet", l);
*/
tmp = (*((*root))).m_Branches[l];
}
q = (int) (strlen(str));
/*
printf("v stroke %s - %d simvolov\n", str, q);
printf("1\n");
*/
for (i = 0; str[i + 1] != '\0'; i++) {
str[i] = str[i + 1];
/*
printf("prohod %d, str[%d]=str[%d]; %c=%c\n", i, i + 1, i, str[i], str[i + 1]);
*/
}
str[i] = '\0';
/*
printf("vyodnaja stroka => '%s'\n", str);
*/
/*
printf("\n");
*/
if (str[0] == '\0') {
/*
printf("dobavlenie znachenija %d\n", decor);
*/
(*(tmp)).m_Decoration = decor;
return 1;
}
return CreateTree(&tmp, str, decor);
}
int setDecoration(TNODE ** root, char * path, int decor) {
/*
printf("\n\n\n");
*/
int i, q, x = 0, w, e;
char *str;
for (i = 0; i < strlen(path); i++) {
q = (int) (path[i])-(int) (48);
w = 0;
e = 2;
if ((q < w) || (q > e)) {
/*
printf("oshibka v zadanii puti\n\n\n");
*/
return 0;
}
}
q = (strlen(path)) * sizeof (char*);
str = (char*) malloc(q);
strcpy(str, path);
if ((*root) == NULL) {
/*
printf("sozdanie kornevogo uzla ==> ");
*/
/*
printf("%d\n", sizeof (TNODE));
*/
(*root) = (TNODE *) malloc(sizeof (TNODE));
/*
printf("vydelenie pameti\n");
*/
/*
printf("vydelena pamet po adresu %p\n\n", *root);
*/
(*((*root))).m_Decoration = 0;
(*((*root))).m_Parent = NULL;
for (i = 0; i < MAX_BRANCHES; i++) {
(*((*root))).m_Branches[i] = NULL;
}
}
if (path == "") {
/*
printf("dlja kornja ustanovleno znacenie %d\n", decor);
*/
(*((*root))).m_Decoration = decor;
return 1;
}
x = CreateTree(root, str, decor);
free(str);
/*
printf("\n\n\n");
*/
return x;
}
TNODE * FindPointerToRootForDeletion(TNODE ** root, char * str) {
/*
printf("\n\nprohod rekursivnoj funkcii udalenija vetki\n\n");
*/
TNODE *tmp;
int i, l, q;
if ((2 < (((int) str[0]) - 48)) || (0 > (((int) str[0]) - 48))) {
return 0;
}
/*
printf("vhodnaja stroka => '%s'\n", str);
*/
l = ((int) str[0]) - 48;
/*
printf("pervoe cislo => '%d'\n", l);
*/
if ((*((*root))).m_Branches[l] == NULL) {
/*
printf("uzel nenajden\n", l);
*/
return NULL;
} else {
/*
printf("uzel najden\n", l);
*/
tmp = (*((*root))).m_Branches[l];
}
q = (int) (strlen(str));
for (i = 0; str[i + 1] != '\0'; i++) {
str[i] = str[i + 1];
}
str[i] = '\0';
if (str[0] == '\0') {
/*
printf("najden poslednii uzel s adresom %p\n", tmp);
*/
return tmp;
}
return FindPointerToRootForDeletion(&tmp, str);
}
int DeleteAllExistingLeafsFromTreeBeginningAt(TNODE ** root) {
int i, j = 0,k;
TNODE * n, *tmp;
n = (*root);
/*
printf("pytajus' udalit uzel po adresu %p\n", n);
*/
for (i = 0; i < MAX_BRANCHES; i++) {
tmp = (*n).m_Branches[i];
if (tmp != NULL) {
j = DeleteAllExistingLeafsFromTreeBeginningAt(&(tmp));
(*tmp).m_Parent=NULL;
(*tmp).m_Decoration=0;
for(k=0;k<MAX_BRANCHES;k++){
(*tmp).m_Branches[k]=NULL;
}
free(tmp);
tmp=NULL;
}
}
n=NULL;
return j;
}
void destroyTree(TNODE * root) {
/*
printf("valim derevo\n");
*/
int i;
if (root != NULL) {
i = DeleteAllExistingLeafsFromTreeBeginningAt(&root);
free(root);
}
root = NULL;
}
int cutBranch(TNODE ** root, char * path) {
/*
printf("\n\n\n");
*/
int i, q, w, e;
char *str;
TNODE * tmp;
if ((*root) == NULL) {
return 0;
}
if (path[0] == '\0') {
/*
printf("stroka pusta - udalajaem derevo\n");
*/
destroyTree((*root));
*root = NULL;
return 1;
}
for (i = 0; i < strlen(path); i++) {
q = (int) (path[i])-(int) (48);
w = 0;
e = 2;
if ((q < w) || (q > e)) {
/*
printf("oshibka v zadanii puti\n\n\n");
*/
return 0;
}
}
q = (strlen(path)) * sizeof (char*);
str = (char*) malloc(q);
strcpy(str, path);
tmp = FindPointerToRootForDeletion(root, str);
if (tmp != NULL) {
/*
printf("zaebok nasli adres = %p\n", tmp);
*/
/*
printf("(*((*tmp).m_Parent)).m_Branches[0] = %p\n", (*((*tmp).m_Parent)).m_Branches[0]);
printf("(*((*tmp).m_Parent)).m_Branches[1] = %p\n", (*((*tmp).m_Parent)).m_Branches[1]);
printf("(*((*tmp).m_Parent)).m_Branches[2] = %p\n", (*((*tmp).m_Parent)).m_Branches[2]);
*/
for (i = 0; i < MAX_BRANCHES; i++) {
if ((*((*tmp).m_Parent)).m_Branches[i] == tmp) {
(*((*tmp).m_Parent)).m_Branches[i] = NULL;
DeleteAllExistingLeafsFromTreeBeginningAt(&tmp);
}
}
/*
printf("(*((*tmp).m_Parent)).m_Branches[0] = %p\n", (*((*tmp).m_Parent)).m_Branches[0]);
printf("(*((*tmp).m_Parent)).m_Branches[1] = %p\n", (*((*tmp).m_Parent)).m_Branches[1]);
printf("(*((*tmp).m_Parent)).m_Branches[2] = %p\n", (*((*tmp).m_Parent)).m_Branches[2]);
*/
} else {
/*
printf("uzel nebyl najden\n");
*/
return 0;
}
free(str);
/*
printf("\n\n\n");
*/
tmp=NULL;
return 1;
}
int easyToCatchFire(TNODE * root) {
int i, PD = 0, x, y;
TNODE * n, * m;
if (root == NULL) {
return 0;
}
PD = (*root).m_Decoration;
for (i = 0; i < MAX_BRANCHES; i++) {
n = (*root).m_Branches[i];
if (n != NULL) {
x = (*n).m_Decoration;
if ((PD * x) == 2) {
return 1;
}
}
}
for (i = 0; i < (MAX_BRANCHES - 1); i++) {
n = (*root).m_Branches[i];
m = (*root).m_Branches[i + 1];
if ((n != NULL) && (m != NULL)) {
x = (*n).m_Decoration;
y = (*m).m_Decoration;
if ((x * y) == 2) {
return 1;
}
}
}
for (i = 0; i < 3; i++) {
n = (*root).m_Branches[i];
if (n != NULL) {
if (easyToCatchFire(n) == 1) {
return 1;
}
}
}
n=NULL;m=NULL;
return 0;
}
int main(int argc, char * argv []) {
int x;
TNODE *n;
n = NULL;
x = setDecoration(&n, (char*) "000", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "001", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "002", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "1", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "01", DECORATION_NONE); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "000", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "002", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "2", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "0001", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "000", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 1
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "012001", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "012002", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 1
printf("%d\n", x);
x = cutBranch(&n, (char*) "0120"); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "0123", DECORATION_SPARKLER); // x = 0
printf("%d\n", x);
x = cutBranch(&n, (char*) "012"); // x = 0
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "012", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "011", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 1
printf("%d\n", x);
x = cutBranch(&n, (char*) ""); // x = 1, n = NULL
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
x = cutBranch(&n, (char*) ""); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "012002", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "012001", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 1
printf("%d\n", x);
x = cutBranch(&n, (char*) "0120"); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "0123", DECORATION_SPARKLER); // x = 0
printf("%d\n", x);
x = cutBranch(&n, (char*) "012"); // x = 0
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
destroyTree(n);
n = NULL;
x = setDecoration(&n, (char*) "012", DECORATION_SPARKLER); // x = 1
printf("%d\n", x);
x = setDecoration(&n, (char*) "011", DECORATION_CANDLE); // x = 1
printf("%d\n", x);
x = easyToCatchFire(n); // x = 1
printf("%d\n", x);
x = cutBranch(&n, (char*) ""); // x = 1, n = NULL
printf("%d\n", x);
x = easyToCatchFire(n); // x = 0
printf("%d\n", x);
x = cutBranch(&n, (char*) ""); // x = 0
printf("%d\n", x);
destroyTree(n);
//getchar();
return (0);
} |
(
Сообщение от awpe
