sa1403.c

数十个C语言的代码

#include <stdio.h>

main()
{
  int a;              /*  定义整型   */
  long int b;         /*  定义长整型 */
  short int c;        /*  定义短整型 */
  unsigned int d;     /*  定义无符号整型 */
  char e;             /*  定义字符型 */
  float f;            /*  定义实型 */
  double g;           /*  定义双精度型 */

  a = 1023;
  b = 2222;
  c = 123;
  d = 1234;
  e = 'X';
  f = 3.14159;
  g = 3.1415926535898;

  printf("a = %d\n",a);      /* 十进制输出 */
  printf("a = %o\n",a);      /* 八进制输出 */
  printf("a = %x\n",a);      /* 十六进制输出 */
  printf("b = %ld\n",b);     /* 长整型输出 */
  printf("c = %d\n",c);      /*  十进制输出 */
  printf("d = %u\n",d);      /* 无符号十进制输出 */
  printf("e = %c\n",e);      /* 字符输出 */
  printf("f = %f\n",f);      /* 实型输出 */
  printf("g = %f\n",g);      /* 双精度输出 */
  printf("\n");
  getch();

  printf("a = %d\n",a);     
  printf("a = %7d\n",a);    
  printf("a = %-7d\n",a);   
  c = 5;
  d = 8;
  printf("a = %*d\n",c,a);   
  printf("a = %*d\n",d,a);   
  printf("\n");
  getch();

  printf("f = %f\n",f);      
  printf("f = %12f\n",f);    
  printf("f = %12.3f\n",f);  
  printf("f = %12.5f\n",f);  
  printf("f = %-12.5f\n",f); 

}