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i'm getting WA for this code but i just can't find what's wrong! plz help!

Here's my code:


#include <stdio.h>
#include <math.h>

int inx, org_count, array[1025];
char a[20000];

void recur(int level)
{
int count_child = 0;
int i, j;
while(count_child < 4)
{
inx++;
if(a[inx] == 'p ...