Cryptography Transposition Cipher in C++

This is the code, some word has type in Bahasa Indonesia language. I hope it doesn't make you struggling.

#include

#include

#include

int main()

{

       /*Kamus*/

       //char terkait dengan isi dari karakter

       char pt[100]={};

       char k[100]={};

       char key[100]={};

       char mat[10][10]={};

       char ct[100]={};

   

       //int terkait dengan panjang dari karakter

       int i=0;

       int j=0;

       int a=0;

       int c=0;

       int ctr;

       int no[10]={0};

       int z;

       /*Algoritma*/

       printf("Chiper Transposisi\n");

       printf("ENCRYPT dan DECRYPT\n");

       printf("\nInput plainteks tanpa spasi: \n");

       gets(pt);

       printf("\nMasukkan suatu kata sebagai key : \n");

       gets(k);

       strcpy(key,k);

       strcat(k,pt);

       strcpy(pt,k);

           

       printf("\nMasukkan satu angka lalu enter \n");

    printf("secara urut/tidak terurut\n");

    printf("dari 0 sampai panjangkey-1 : \n");

       for(i=0;i

       {

              scanf("%d",&no[i]);

       }

              j=0;

              ctr=j;

              printf("\n-------------------\n");

              printf("Matriksnya dari key ");

              printf("\n-------------------\n");

              for(i=0;i

              {

                     for(j=j;ctr

                     {

                           if(pt[j]!='\0')

                           {

                                  mat[i][ctr]=pt[j];

                                  printf("%c",mat[i][ctr]);

                                  ctr++;

                           }

                           else

                           {

                                  goto out;

                           }

                     }

                     ctr=0;

                     if(i==0)

                     {

                           printf("\n");

                     }

                     printf("\n");

              }

              out:

              printf("\n\n---------------------\n");

        printf("Hasil Enkripsi: \n");

        printf("---------------------\n");

              for(i=0;i

              {

                     for(j=0;j

                     {

                           if(no[i]==j)

                           {

                                  for(z=1;z<10 o:p="" z="">

                                  {

                                         if((mat[z][j]))

                                         {

                                                printf("%c",mat[z][j]);

                                                ct[a]=mat[z][j];

                                                a++;

                                         }

                                  }

                           }

                     }

              }

        printf("\n\n\n---------------------\n");   

              printf("Hasil Dekripsi: \n");

              printf("---------------------\n");

              for(a=0;a<30 a="" o:p="">

              {

                     if((ct[a]) || (ct[a]))

                     c++;

              }

              for(i=1;i

              {

                     for(j=0;j

                {

                    if((mat[i][j]))

                    {

                       printf("%c",mat[i][j]);

                    }

                    else

                    {

                       printf("\n---------------------\n");

                       getch();

                       return 0;

                    }

                }

              }

}

the code will appear like this, enjoy it. Thanks.