c code to java converter
#include <stdio.h>c code to java converter
#include <cstdlib>
#include <algorithm>
#include "stdio.h"
#include "stdlib.h"
#define Pila_vacia (pila == NULL)
using namespace std;
typedef struct datos elemento;
struct datos {
char dato;
elemento *anterior;
};
void error(void) {
perror("\n\a Error: Memoria insuficiente..");
exit(1);
}
elemento *Nuevo() {
elemento *q = (elemento *) malloc(sizeof (elemento));
if (!q) error();
return (q);
}
void push(elemento **p, char x) {
elemento *q, *tope;
tope = *p;
q = Nuevo();
q->dato = x;
q->anterior = tope;
tope = q;
*p = tope;
}
char pop(elemento **p) {
elemento *tope;
char x;
tope = *p;
if (tope == NULL) {
printf("\n\a\t ERROR: POP= pila Vacia...\n");
return ('0');
}
x = tope->dato;
*p = tope->anterior;
free(tope);
return (x);
}
void lee(char ent[]) {
int pos = 0;
printf("\n\n\tEntra la expresion Infija:");
while ((ent[pos++] = getchar()) != '\n');
ent[--pos] = '\0';
}
int verifica(char ent[]) {
elemento *pila = NULL;
int valido, pos = 0;
char op, a;
valido = 1;
while (ent[pos] != '\0') {
op = ent[pos++];
if (op == '(' || op = '{' || op == '[') push(&pila, op);
if (op == ')' || op = '}' || op == ']') {
if (Pila_vacia) valido = 0;
else {
a = pop(&pila);
if (op == ')' && a != '(') valido = 0;
if (op == '}' && a != '{') valido = 0;
if (op == ']' && a != '[') valido = 0;}}}
if (!Pila_vacia) valido = 0;
return (valido);}
int main(int argc, char** argv) {
char ent[100];
printf("Verificador de Delimitadores.");
printf("Verifica los simbolos: (), [], {}");
printf("en una expresion infija.");
lee(ent);
if (verifica(ent))printf("Cadena Valida.");
else printf("Cadena Invalida.");
return 0;
}Copyright © 2021 Codeinu
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