#include <stdio.h>
#include <stdlib.h>
typedef struct nodo {
int info;
struct nodo* sig;
};
struct nodo* crear_nodo(int );
struct nodo* crear_lista_simple ();
void imprimir_lista_simple(struct nodo* );
struct nodo* invertir_lista_simple(struct nodo* );
int main() {
// https://www.lawebdelprogramador.com/foros/C-Visual-C/2125751-Programa-que-permita-invertir-el-orden-de-una-lista-enlazada-sencilla.html
printf("Invertir lista simple");
struct nodo* raiz = crear_lista_simple();
imprimir_lista_simple(raiz);
printf("\n");
raiz = invertir_lista_simple(raiz);
imprimir_lista_simple(raiz);
return 0;
}
void imprimir_lista_simple(struct nodo* raiz_) {
int i=0;
while (raiz_ != NULL) {
printf("\n%i.%i ", ++i, raiz_->info);
raiz_ = raiz_->sig;
}
}
struct nodo* crear_lista_simple () {
struct nodo* raiz = crear_nodo(0);
struct nodo* tmp = raiz;
struct nodo* tmp_1;
int i;
for (i=1; i< 7; i++) {
tmp_1 = crear_nodo(i);
tmp->sig = tmp_1;
tmp = tmp->sig;
}
return raiz;
}
struct nodo* crear_nodo(int index_) {
struct nodo* tmp = malloc(sizeof(struct nodo));
tmp->info = index_;
tmp->sig = NULL;
return tmp;
}
struct nodo* invertir_lista_simple(struct nodo* raiz_) {
struct nodo* tmp = raiz_;
struct nodo* tmp_1;
while(raiz_ != NULL) {
tmp_1 = raiz_;
raiz_ = raiz_->sig;
if(tmp != tmp_1)
tmp_1->sig = tmp;
else
tmp_1->sig = NULL;
tmp = tmp_1;
}
return tmp;
}