PW-1

#include <stdio.h>
#include <string.h>
int fbi(int satu, int dua)
{
    if(dua==0) return satu;
    else
    return fbi(dua,satu % dua);
}

int  tanda[27];
    int tot[101];

int main()
{
    int dwi,i,joko,joko1,beda1=0,beda2=0;
    char nopal[101];
    scanf("%d",&dwi);
    for(i=0;i<dwi;i++)
    {
    scanf("%s",nopal);

        for(joko=0;joko<strlen(nopal);joko++)
            {
                    if(tanda[nopal[joko]-97]==0)
                    {tanda[nopal[joko]-97]=69;
                        tot[i]+=1   ;
                }

            }
     memset(tanda,0,sizeof(nopal));
    //  printf("%d\n",tot[i]);
        if((i+1)%3==0){
            if(fbi(tot[i-1],tot[i-2])%3==0)
            printf("Congratulation, the gate is opened, but you must continue to try other combination.\n");
            else
            printf("Please try again.\n");
            continue;
        } else if(tot[i]%2==1){
                printf("The puzzle is still unsolved.\n");
                }
             else  printf("Somehow the puzzle is solved.\n");

    //memset(tot,0,sizeof(nopal));
}
    return 0;
    }