Language: C

#include <stdio.h>

#define ARRAY_INIT 0
#define DIV_INIT 0
#define LOOP_INIT 0
#define G_MAX 12

int main( void )
{
	unsigned long ulW_Dtc_cnt;
	unsigned long *aulW_Dtestcase;
	unsigned long ulW_Dshell_p;
	unsigned long ulW_Cloop_cnt;
	unsigned long ulW_Cloop_sub_cnt;
	unsigned long ulW_Csort_cnt = DIV_INIT;
	unsigned long ulW_Dm;
	unsigned long aulW_DG[ G_MAX ];
	unsigned long ulW_Dv;
	unsigned long ulW_Dk;

	scanf( "%d", &ulW_Dtc_cnt );
	aulW_Dtestcase = ( int * ) malloc ( sizeof ( int ) * ulW_Dtc_cnt );
	for( ulW_Cloop_cnt = LOOP_INIT; ulW_Cloop_cnt < ulW_Dtc_cnt; ulW_Cloop_cnt++ ){
		scanf( "%d", &aulW_Dtestcase[ ulW_Cloop_cnt ] );
	}

	ulW_Dm = 1;
	aulW_DG[ 0 ] = 1;
	while( 3 * aulW_DG[ ulW_Dm - 1 ] + 1 < ulW_Dtc_cnt ){
		aulW_DG[ ulW_Dm ] = 3 * aulW_DG[ ulW_Dm - 1 ] + 1;
		ulW_Dm++;
	}

	for( ulW_Cloop_cnt = LOOP_INIT; ulW_Cloop_cnt < ulW_Dm / 2; ulW_Cloop_cnt++ ){C
		ulW_Dv = aulW_DG[ ulW_Cloop_cnt ];
		aulW_DG[ ulW_Cloop_cnt ] = aulW_DG[ ulW_Dm - 1 - ulW_Cloop_cnt ];
		aulW_DG[ ulW_Dm - 1 - ulW_Cloop_cnt ] = ulW_Dv;
	}

	printf( "%d\n", ulW_Dm );
	for( ulW_Cloop_cnt = LOOP_INIT; ulW_Cloop_cnt < ulW_Dm; ulW_Cloop_cnt++ ){
		if( ulW_Cloop_cnt == ulW_Dm - 1 ){
			printf( "%d\n", aulW_DG[ ulW_Cloop_cnt ] );
		}
		else{
			printf( "%d ", aulW_DG[ ulW_Cloop_cnt ] );
		}
	}

	for( ulW_Cloop_cnt = LOOP_INIT; ulW_Cloop_cnt < ulW_Dm; ulW_Cloop_cnt++){
		for( ulW_Cloop_sub_cnt = aulW_DG[ ulW_Cloop_cnt ]; ulW_Cloop_sub_cnt < ulW_Dtc_cnt; ulW_Cloop_sub_cnt++ ){
			ulW_Dv = aulW_Dtestcase[ ulW_Cloop_sub_cnt ];
			ulW_Dk = ulW_Cloop_sub_cnt - aulW_DG[ ulW_Cloop_cnt ];
			while( ( ulW_Dk >= 0 ) && ( aulW_Dtestcase[ ulW_Dk ] > ulW_Dv ) ){
				aulW_Dtestcase[ ulW_Dk + aulW_DG[ ulW_Cloop_cnt ] ] = aulW_Dtestcase[ ulW_Dk ];
				ulW_Dk -= aulW_DG[ ulW_Cloop_cnt ];
				ulW_Csort_cnt++;
			}
			aulW_Dtestcase[ ulW_Dk + aulW_DG[ ulW_Cloop_cnt ] ] = ulW_Dv;
		}
	}

	printf( "%d\n", ulW_Csort_cnt );
	for( ulW_Cloop_cnt = LOOP_INIT; ulW_Cloop_cnt < ulW_Dtc_cnt; ulW_Cloop_cnt++ ){
		printf( "%d\n", aulW_Dtestcase[ ulW_Cloop_cnt ] );
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:22:36: error: implicit declaration of function 'malloc' [-Wimplicit-function-declaration]
   22 |         aulW_Dtestcase = ( int * ) malloc ( sizeof ( int ) * ulW_Dtc_cnt );
      |                                    ^~~~~~
main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'malloc'
    1 | #include <stdio.h>
  +++ |+#include <stdlib.h>
    2 | 
main.c:22:36: warning: incompatible implicit declaration of built-in function 'malloc' [-Wbuiltin-declaration-mismatch]
   22 |         aulW_Dtestcase = ( int * ) malloc ( sizeof ( int ) * ulW_Dtc_cnt );
      |                                    ^~~~~~
main.c:22:36: note: include '<stdlib.h>' or provide a declaration of 'malloc'
main.c:22:24: error: assignment to 'long unsigned int *' from incompatible pointer type 'int *' [-Wincompatible-pointer-types]
   22 |         aulW_Dtestcase = ( int * ) malloc ( sizeof ( int ) * ulW_Dtc_cnt );
      |                        ^
main.c:34:87: error: unknown type name 'C'
   34 |         for( ulW_Cloop_cnt = LOOP_INIT; ulW_Cloop_cnt < ulW_Dm / 2; ulW_Cloop_cnt++ ){C
      |                                                                                       ^