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  一ã€å•™åšw€‰æ‹©é¢?span lang="EN-US">(在毞®é¢˜çš„四个备选ç”案ä¸åQŒé€‰å‡ºä¸€ä¸ªæ£¼‹®çš„½{”案åQŒåƈž®†å…¶åïL 写在½{”题¾U怸Šã€‚请注æ„注明题å·ã€‚毞®é¢˜1分,å…Þp®¡6åˆ?span lang="EN-US">)
  1�span lang="EN-US">‘\t�/span>表示什�span lang="EN-US">?
  â‘?/span>å—符串常æ•?span lang="EN-US"> â‘?/span>æ ‡è¯†½W?span lang="EN-US"> â‘?/span>å˜é‡ â‘?/span>å—符帔R‡
  ½{”案åQ?span lang="EN-US">â‘?p>
  2ã€å¯¹å®å®šä¹‰ä¸æ£ç¡®çš„æ˜q°æ˜¯å“ªä¸€ä¸?span lang="EN-US">?
  â‘?/span>在进行å®å®šä¹‰æ—Óž¼Œå¯ä»¥å¼•ç”¨å·²ç»å®šä¹‰çš„å®å,å¯ä»¥å±‚层¾|®æ¢
  //å¯ä»¥å¼•ç”¨å·²ç»å®šä¹‰äº†çš„å®å,å¯ä»¥å±‚层¾|®æ¢
  â‘?/span>å®å的有效范围包括本文äšgçš„ä“Q何佾|?span lang="EN-US">
  //å®å的有效范围定义命令之åŽåˆ°æœ¬æºæ–‡äšg¾l“æŸåQŒå¯ä»¥ç”¨#define¾lˆæ¢å®å®šä¹‰çš„作用åŸ?span lang="EN-US">
  â‘?/span>å® å®šä¹‰ä¸æ˜¯è¯å¥ï¼Œä¸å¿…åœ¨è¡Œæœ«åŠ åˆ†å·
  //是预处ç†å®šä¹‰è¯å¥
  â‘?/span>对程åºä¸åŒå¼•åäh‹¬èµäh¥çš„å—½W¦ä¸²åQŒå³ä½¿ä¸Žå®å相åŒåQŒä¹Ÿä¸è¿›è¡Œç½®æ?span lang="EN-US">
  3ã€è‹¥å®šä¹‰static char s[20]=â€computerâ€?则执行è¯å?span lang="EN-US">x = strlen(s);之åŽåQ?span lang="EN-US">xçš„å€égؓ多少?
  �0 � � �9
  //strlen函数计算char*åž‹å—½W¦ä¸²çš„长度的时候,òq¶ä¸åŒ…å«æœ«å°¾çš?span lang="EN-US">\0;
  4ã€ä»¥ä¸‹å“ªä¸€ä¸ªè¡¨è¾‘Ö¼å–值是æ£ç¡®çš?span lang="EN-US">?
  â‘?>5¾l“æžœä¸?span lang="EN-US">6 â‘?&&5¾l“æžœä¸?span lang="EN-US">7
  â‘?||5¾l“æžœä¸?span lang="EN-US">7 â‘?<5¾l“æžœä¸?span lang="EN-US">0
  5ã€å¦‚定义
  enum weekday {one, two, thr, fou, fiv�span lang="EN-US">;
  enum weekday working;
  以下哪个是ä¸æ£ç¡®çš„枚丑֘é‡çš„使用?
  ①working = thr; ②working =2;
  ③working = (enum weekday)2;
  ④working = (enum weekday) (5-3);
  //ä¸èƒ½å¯¹å…¶èµ‹å€?span lang="EN-US">
  6ã€ä¸‹åˆ—说法ä¸æ£ç¡®çš„是哪一ä¸?span lang="EN-US">?
  ①sizeof (char) 是结果äؓ整型的表辑ּ
  ②sizeof (char) 是一个ä¸åˆæ³•çš„表½CºåÅžå¼?span lang="EN-US">
  ③sizeof (char) 是一¿U函数调ç”?span lang="EN-US">
  ④sizeof (char) 是结果äؓ实型的表辑ּ
  二ã€é˜…è¯È¨‹åºï¼Œòq¶å›ž½{”é—®é¢?span lang="EN-US">(å…?span lang="EN-US">12åˆ?span lang="EN-US">)
  1ã€ä¸‹åˆ—程åºçš„输出是什ä¹?span lang="EN-US">?(3åˆ?span lang="EN-US">)
  # include
  void main ()
  åH?span lang="EN-US">
  char * aplha [6] = åH?span lang="EN-US">“ABCâ€?/span>åQ?span lang="EN-US">“DEFâ€?/span>åQ?span lang="EN-US">“GHIâ€?/span>åQ?span lang="EN-US">“JKLâ€?/span>åQ?span lang="EN-US">“MNOâ€?/span>åQ?span lang="EN-US">“PQRâ€?/span>åH?span lang="EN-US">;
  char **p;
  int i;
  p = aplha;
  for (i = 0; i<4; i++)
  printf (�s� p[i]);
  printf (“\n�;
  åH?span lang="EN-US">
  //输出¾l“æžœ
  ABCDEFGHIJKL
  刚好是嗽W¦ä¸²æ•°ç»„里é¢çš„å‰å››ä¸ªå…ƒç´ 的内容连接è“væ?span lang="EN-US">
  2ã€ä¸‹åˆ—程åºäØ“ä»€ä¹ˆæ— æ³•å°†ç”¨æˆ·è¾“å…¥çš„ä¸‰ä¸ªæ•´æ•°æŒ‰ä»Žå°åˆ°å¤§æŽ’åºè¾“出?应该如何修改?(6åˆ?span lang="EN-US">)
  # include
  void swap (int x, int y)
  åH?span lang="EN-US">
  int t = x;
  x = y;
  y = t;
  åH?span lang="EN-US">
  void main ()
  åH?span lang="EN-US">
  int a, b, c;
  scanf (�d, %d, %d� &a, &b, &c);
  if (a>b) swap (a, b);
  if (a>c) swap (a, c);
  if (b>c) swap (b, c);
  printf (�d, %d, %d� a, b, c);
  åH?span lang="EN-US">
  //函数swap采用å€ég¼ 递,虽然ž®†åÅžå?span lang="EN-US">xå’?span lang="EN-US">y交æ¢äº†ï¼Œä½†æ˜¯òq¶ä¸å½±å“到实å‚。将å€ég¼ 递改æˆæŒ‡é’ˆä¼ 递就å¯ä»¥äº†ã€?span lang="EN-US">
  C函数å‚数采用å€ég¼ 递方å¼ï¼Œè™½ç„¶swap函数ž®†åÅžå¼å‚æ•?span lang="EN-US">xå’?span lang="EN-US">yçš„å€ÆD¿›è¡Œäº†è°ƒæ¢åQŒä½†æ˜¯åª„å“ä¸åˆ°ç›¸åº”的实在å‚数。所以在ä¸Õd‡½æ•îC¸åQŒé€šè¿‡è°ƒç”¨sawp函数调æ¢aå’?span lang="EN-US">b(æˆ?span lang="EN-US">aæˆ?span lang="EN-US">cåQŒæˆ–bå’?span lang="EN-US">c)的值是æ ÒŽ(gu¨©)œ¬è¾¾ä¸åˆ°ç›®çš„çš„ã€?span lang="EN-US">
  修改åQ?span lang="EN-US">
  (1)(2�span lang="EN-US">)
  void swap (int *x, int*y)
  åH?span lang="EN-US">
  int t = *x;
  *x = *y;
  *y = t;
  åH?span lang="EN-US">
  (2)(2åˆ?span lang="EN-US">)ä¸Õd‡½æ•?span lang="EN-US">
  if(a>b) swap(&aåQ?span lang="EN-US">&b);
  if(a>c) swap(&aåQ?span lang="EN-US">&c);
  if(b>c) swap(&båQ?span lang="EN-US">&c);
  3ã€å‡è®„¡³»¾lŸäؓ基本整型é‡åˆ†é…?span lang="EN-US">2个å—节,为嗽W¦åž‹é‡åˆ†é…?span lang="EN-US">1个å—节。下列程åºå®Œæˆçš„功能是什ä¹?span lang="EN-US">?(3åˆ?span lang="EN-US">)
  # include
  union
  åH?span lang="EN-US">
  int n;
  char ch [2];
  åH?span lang="EN-US">u;
  void main ()
  åH?span lang="EN-US">
  int m;
  scanf (â€?dâ€?/span>åQ?span lang="EN-US">&m);
  u.n = m;
  printf (“\n%u, %uâ€?/span>åQ?span lang="EN-US">u.ch[0], u.ch[1]);
  åH?span lang="EN-US">
  //该程åºçš„功能åQŒå–用户输入的整数值的高å—节和低å—节,òq¶æŒ‰ç…§ä“Qæ„整数的低å—节和高å—节分别输出ã€?span lang="EN-US">
  三ã€ç¨‹åºè®¾è®¡é¢˜(12åˆ?span lang="EN-US">)
  å‡è®¾ä¸€ä¸ªæ–‡æœ¬æ–‡ä»¶ä¸ä¿å˜ç€100个整敎ͼŒè¯·å°†˜q?span lang="EN-US">100个整数按从å°åˆ°å¤§çš„顺åºå†™åˆ°å¦ä¸€ä¸ªæ–‡æœ¬æ–‡ä»¶ä¸åŽ»ï¼Œòq¶ä¸”在新文äšgä¸æ¯10个整数å 一行。æºæ–‡äšgåå’Œç›®æ ‡æ–‡äšgå通过命ä×oè¡Œå‚数获å–ã€?span lang="EN-US">
  分数分é…åQ?span lang="EN-US">
  å˜é‡å®šä¹‰ 2åˆ?span lang="EN-US">
  命ä×oè¡Œå‚数处ç?span lang="EN-US"> 1åˆ?span lang="EN-US">
  文äšg打开 1åˆ?span lang="EN-US">
  文äšgè¯?span lang="EN-US"> 2åˆ?span lang="EN-US">
ã€€ã€€æŽ’åº 3åˆ?span lang="EN-US">
  文äšgå†?span lang="EN-US"> 2åˆ?span lang="EN-US">
  文äšgå…³é— 1åˆ?span lang="EN-US">
  # include
  void main(int argc, char *argv[])
  åH?span lang="EN-US">
  FILE *fin, *fout;
  Int a [100], i, j, t;
  if(argc!=3)
  åH?span lang="EN-US">
  printf (�You forgot to enter a filename\n�;
  return;
  åH?span lang="EN-US">
  fin = fopen (argv[1], “r�;
  fout = fopen (argv[2], “w�;
  for (i = 0; i<100; i++)
  fscanf (fin, �d� &a[i]);
  for (i = 0; i<99; i++)
  for (i = 0; i<99-i; i++)
  if (a[j]>a[j+1])
  åH?span lang="EN-US">t = a[j]; a[j] = a[j+1]; a[j+1]=t;åH?span lang="EN-US">
  for (i = 0; i<100; i++)
  åH?span lang="EN-US">
  if (i%10 = 0)
  fprintf (fout, �s� “\n�;
  fprintf (fout, �d� a[i]);
  åH?span lang="EN-US">
  fclose (fin);
  fclose (fout);
  åH?span lang="EN-US">
Â
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