【C言語】配列の宣言

#include <stdio.h>

int main( void )
{
 int data1[6] = { 18, 25, 46, 11, 3, 76 };
 int data2[6];

 data2[0] = data1[5];
 data2[1] = data1[3];
 data2[2] = data1[2];
 data2[3] = data1[0];
 data2[4] = data1[1];
 data2[5] = data1[4];

 printf( "data2[0] = %d\n", data2[0] );
 printf( "data2[1] = %d\n", data2[1] );
 printf( "data2[2] = %d\n", data2[2] );
 printf( "data2[3] = %d\n", data2[3] );
 printf( "data2[4] = %d\n", data2[4] );
 printf( "data2[5] = %d\n", data2[5] );

 return 0;
}