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  1. #include<stdio.h>
  2.  #include<stdlib.h>
  3.  #include<string.h>
  4.  int maxsize=100;
  5.  static char arr[100];
  6.  int top=-1;
  7.  char queue[100];
  8.  int front=-1;
  9.  int rear=-1;
  10.  char enqueue(char data){
  11.  if(rear+1>=100){
  12.  return 0;}
  13.  else{
  14.  queue[rear+1]=data;
  15.  rear++;
  16.  return 1;
  17.  }}
  18.  char dequeue(){
  19.  if(front==rear){
  20.  return 0;}
  21.  else{
  22.  char data=queue[front+1];
  23.  front++;
  24.  return(data);
  25.  }}
  26.  
  27. int push(char new){
  28.  
  29.  top++;
  30.  arr[top]=new;
  31. return 0; 
  32.  }
  33.  char pop(){
  34.  
  35.  char tmp;
  36.  
  37.  top--;
  38.  return (arr[top+1]);
  39.  }
  40.  int main(){
  41.  int t=1;
  42.  int f=0;
  43.  int k;
  44.  char stack[10];
  45.  char queue[10];
  46.  
  47.  char aa[100];
  48.  int stringsize=strlen(aa);
  49.  
  50.  int i;
  51.  int counter=0;
  52.  int n;
  53.  scanf("%d\n",&counter);
  54.  for(k=a0;k < counter;k++){
  55. i=0; 
  56.  scanf("%c\n",aa);
  57.  while(i<stringsize){
  58.  
  59.  
  60.  push(aa[i]);
  61.  enqueue(aa[i]);
  62.  i++;}
  63.  n=0;
  64.  while(n<stringsize){
  65.  stack[n]=pop();
  66.  queue[n]=dequeue();
  67.  if(stack[n]==queue[n]){
  68.  
  69.  
  70.  n++;}
  71.  else
  72.  {
  73.  printf("%d\n",f);
  74.  
  75.  }
  76.  }
  77.  if(stack==queue){
  78.  printf("%d\n",t);
  79.  }
  80.  }
  81.  return 0;
  82.  
  83.  }
  84.  
  85.  
  86.  
  87.  
  88.  
  89.  
  90.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
cc1: warnings being treated as errors
prog.c: In function ‘pop’:
prog.c:35: error: unused variable ‘tmp’
prog.c: In function ‘main’:
prog.c:54: error: ‘a0’ undeclared (first use in this function)
prog.c:54: error: (Each undeclared identifier is reported only once
prog.c:54: error: for each function it appears in.)
stdout 
Standard output is empty
https://ideone.com/5RVNV
language:
C99 (gcc 8.3)
created:
14 years ago
visibility:
public

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