My code inspite of generating all the test cases is showing wrong answer
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
typedef struct stack
{
char a[400];
int top;
}
stack;
stack s;
void push(char *,int);
int pop();
int main(void)
{
char x[400];
int len,i,n,y;
scanf("%d",&n);
while(n>0)
{
scanf("%s",x);
len=strlen(x);
for(i=0;i<len;i++)
{
if((x[i])>=97&&x[i]<=122)
printf("%c",x[i]);
else
if(x[i]=='/'||x[i]=='*'||x[i]=='+'||x[i]=='-'||x[i]=='^')
{
push(x,i);
}
else if(x[i]=='(')
continue;
else
{
y=pop();
printf("%c",y);
}
}
while (s.top !=0)
{
y = pop();
printf("%c", y) ;
}
n--;
}
return 0;
}
void push(char *x,int i)
{
s.top++;
s.a[s.top]=x[i];
}
int pop()
{
int temp;
temp=s.a[s.top];
s.top--;
return temp;
}