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The sample output didn't help. Can anyone suggest a piece of advice?

I will be VERY GRATEFUL if anyone helps me with this Wrong Answer:
[c]#include <stdio.h>
#include <string.h>
#include <io.h>
#include <fcntl.h>


char mas[100][81];
char cryptstring[44],cryptlike[27];

int is_code_str(int snum)
{
int j;
char len;
for(j=0;j<26;j++) cryptlike[j]='0';
len=strlen ...