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Diffstat (limited to 'btree-int.c')
-rw-r--r--btree-int.c110
1 files changed, 55 insertions, 55 deletions
diff --git a/btree-int.c b/btree-int.c
index 7394b92..3622ffb 100644
--- a/btree-int.c
+++ b/btree-int.c
@@ -2,9 +2,9 @@
#include <stdlib.h>
struct node {
- long v;
- struct node *l;
- struct node *r;
+ long v;
+ struct node *l;
+ struct node *r;
};
struct node *cn(long);
@@ -13,73 +13,73 @@ void pn(struct node *);
void fn(struct node *);
struct node *cn(long v) {
- struct node *n;
+ struct node *n;
- n = malloc(sizeof *n);
- if (!n)
- return NULL;
- n->v = v;
- n->l = n->r = NULL;
- return n;
+ n = malloc(sizeof *n);
+ if (!n)
+ return NULL;
+ n->v = v;
+ n->l = n->r = NULL;
+ return n;
}
void an(struct node *r, struct node *n) {
- if (!r || !n)
- return;
- if (n->v > r->v) {
- if (r->r)
- an(r->r, n);
- else
- r->r = n;
- }
- else {
- if (r->l)
- an(r->l, n);
- else
- r->l = n;
- }
- return;
+ if (!r || !n)
+ return;
+ if (n->v > r->v) {
+ if (r->r)
+ an(r->r, n);
+ else
+ r->r = n;
+ }
+ else {
+ if (r->l)
+ an(r->l, n);
+ else
+ r->l = n;
+ }
+ return;
}
void pn(struct node *n) {
- if (!n)
- return;
- if (n->l)
- pn(n->l);
- fprintf(stdout, "%ld\n", n->v);
- if (n->r)
- pn(n->r);
- return;
+ if (!n)
+ return;
+ if (n->l)
+ pn(n->l);
+ fprintf(stdout, "%ld\n", n->v);
+ if (n->r)
+ pn(n->r);
+ return;
}
void fn(struct node *n) {
- if (!n)
- return;
- if (n->l)
- fn(n->l);
- if (n->r)
- fn(n->r);
- free(n);
- return;
+ if (!n)
+ return;
+ if (n->l)
+ fn(n->l);
+ if (n->r)
+ fn(n->r);
+ free(n);
+ return;
}
int main(int argc, char **argv) {
- struct node *r, *n;
+ struct node *r, *n;
- r = NULL;
- for (argv++; *argv; argv++) {
- n = cn(atoi(*argv));
- if (!n)
- break;
- if (r)
- an(r, n);
- else
- r = n;
- }
+ r = NULL;
+ for (argv++; *argv; argv++) {
+ n = cn(atoi(*argv));
+ if (!n)
+ break;
+ if (r)
+ an(r, n);
+ else
+ r = n;
+ }
- pn(r);
+ pn(r);
- fn(r);
+ fn(r);
- exit(EXIT_SUCCESS);
+ exit(EXIT_SUCCESS);
}