控制输出中单个整数的字段宽度

#include <stdio.h>

int main(void){
  int k = 678;//

  // Display formats as heading then display the values
  printf("%%d   %%o   %%x   %%X/n");
  printf("%d  %o  %x  %X/n", k, k, k, k );
  printf("/n|%%8d       |%%-8d      |%%+8d      |%%08d      |%%-+8d     |/n");
  printf("|%8d  |%-8d  |%+8d  |%08d  |%-+8d  |/n", k, k, k, k, k );
  return 0;
}