{"id":7163,"date":"2016-07-02T17:43:40","date_gmt":"2016-07-02T08:43:40","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=7163"},"modified":"2016-08-14T12:04:05","modified_gmt":"2016-08-14T03:04:05","slug":"c%e8%a8%80%e8%aa%9e-if%e6%96%87%e3%83%bbswitch%e6%96%87%e3%83%bb%e8%ab%96%e7%90%86%e6%bc%94%e7%ae%97%e5%ad%90","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=7163","title":{"rendered":"C\u8a00\u8a9e if\u6587\u30fbswitch\u6587\u30fb\u8ad6\u7406\u6f14\u7b97\u5b50"},"content":{"rendered":"

\"c-lan\"<\/p>\n

C\u8a00\u8a9e if\u6587\u30fbswitch\u6587\u30fb\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u3064\u3089\u3064\u3089\u3068\u3002<\/p>\n

if\u6587 (if statement)<\/h4>\n

if\u6587 \u69cb\u6587<\/strong><\/p>\n

if (\u6761\u4ef6)\r\n  \u6587;<\/pre>\n
\u4f8b\u6587<\/strong><\/p>\n
#include <stdio.h>\r\nint main(void)\r\n{\r\n  int res;\r\n  \r\n  printf("\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u00a5n");\r\n  \r\n  scanf("%d", &amp;res);\r\n\r\n  if(res == 5) printf("5\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n\r\n  printf("\u51e6\u7406\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u00a5n");\r\n\r\n  return 0;\r\n}<\/pre>\n
\u6574\u6570 5\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u6574\u6570 5\u4ee5\u5916\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u8907\u6570\u306e\u51e6\u7406\u3092\u884c\u3046\u5834\u5408\u306f\u30d6\u30ed\u30c3\u30af\u6307\u5b9a\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n
if(res == 5) {\r\n\r\n  printf(\"5\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n\");\r\n\r\n  printf(\"\u5165\u529b\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059! \u00a0\u00a5n\");\r\n}<\/pre>\n
if else ~ \u6587<\/h5>\n
if(res == 5) {\r\n\r\n  printf(\"5\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n\");\r\n\r\n  printf(\"\u5165\u529b\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059! \u00a0\u00a5n\");\r\n\r\n} else {\r\n\r\n  printf(\"5\u4ee5\u5916\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n\");\r\n\r\n}\r\n\r\nprintf(\"\u51e6\u7406\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u00a5n\");\r\n<\/pre>\n
if else if ~ \u6587<\/h5>\n
\u7d9a\u3051\u3066\u6761\u4ef6\u3092\u542b\u3081\u308b\u5834\u5408\u306f\u3001if else if~\u6587\u3067\u6307\u5b9a\u3002<\/p>\n
#include <stdio.h>\r\n\r\nint main(void)\r\n{\r\n  int res;\r\n\r\n  printf("\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u00a5n");\r\n\r\n  scanf("%d", &amp;res);\r\n\r\n  if(res == 5) {\r\n    printf("5\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n  }\r\n  else if(res == 6) {\r\n    printf("6\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n  }\r\n  else {\r\n    printf("5\u30016\u4ee5\u5916\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n  }\r\n\r\nprintf("\u51e6\u7406\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u00a5n");\r\n\r\nreturn 0;\r\n\r\n}<\/pre>\n
\u6574\u65706\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u6574\u65705,6\u4ee5\u5916\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
switch\u6587(switch statement)<\/h4>\n
C\u8a00\u8a9e\u306eswitch\u6587\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
switch\u6587 \u69cb\u6587<\/strong><\/p>\n
switch(\u5f0f) {\r\n  case \u5b9a\u65701:\r\n    \u65871;\r\n    ....\r\n    break;\r\n  case \u5b9a\u65702:\r\n    \u65872;\r\n    ....\r\n    break;\r\n  default:\r\n    \u6587D;\r\n    ....\r\n    break;\r\n}<\/pre>\n
\u4f8b\u6587<\/strong><\/p>\n
#include <stdio.h>\r\nint main(void)\r\n{\r\n  int res;\r\n  printf("\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u00a5n");\r\n\r\n  scanf("%d", &amp;res);\r\n\r\n  switch(res) {\r\n    case 5:\r\n      printf("5\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n      break;\r\n    case 6:\r\n      printf("6\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n      break;\r\n    default:\r\n      printf("5\u30016\u4ee5\u5916\u304c\u5165\u529b\u3055\u308c\u307e\u3057\u305f\u3002 \u00a5n");\r\n      break;\r\n  }\r\n  \r\n  printf("\u51e6\u7406\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u00a5n");\r\n\r\n  return 0;\r\n}<\/pre>\n
\u6574\u65706\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u6574\u65705,6\u4ee5\u5916\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u8ad6\u7406\u6f14\u7b97\u5b50 (logical operator)<\/h4>\n
\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u5f79\u5272\u3068\u3057\u3066\u3001\u300c\u6761\u4ef6\u3092\u3055\u3089\u306b\u8a55\u4fa1\u3057\u3066\u3001\u771f\u307e\u305f\u306f\u507d\u306e\u5024\u3092\u5f97\u308b<\/strong>\u300d\u3068\u3044\u3046\u5f79\u5272\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n
\u6f14\u7b97\u5b50<\/strong><\/td>\n\u771f\u3068\u306a\u308b\u5834\u5408<\/strong><\/td>\n\u8a55\u4fa1<\/strong><\/td>\n<\/tr>\n<\/thead>\n
&&<\/td>\n\u5de6\u8fba\u30fb\u53f3\u8fba\u304c\u3068\u3082\u306b\u771f\u306e\u5834\u5408<\/p>\n
\"op_01\"<\/td>\n
\n\n\n\n\n\n\n\n\n\n
\u5de6<\/strong><\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\u507d<\/td>\n\u507d<\/td>\n\u507d<\/td>\n<\/tr>\n
\u507d<\/td>\n\u771f<\/td>\n\u507d<\/td>\n<\/tr>\n
\u771f<\/td>\n\u507d<\/td>\n\u507d<\/td>\n<\/tr>\n
\u771f<\/td>\n\u771f<\/td>\n\u771f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
||<\/td>\n\u5de6\u8fba\u30fb\u53f3\u8fba\u306e\u3069\u3061\u3089\u304b\u304c\u771f\u306e\u5834\u5408<\/p>\n
\"op_02\"<\/td>\n
\n\n\n\n\n\n\n\n\n\n
\u5de6<\/strong><\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\u507d<\/td>\n\u507d<\/td>\n\u507d<\/td>\n<\/tr>\n
\u507d<\/td>\n\u771f<\/td>\n\u771f<\/td>\n<\/tr>\n
\u771f<\/td>\n\u507d<\/td>\n\u771f<\/td>\n<\/tr>\n
\u771f<\/td>\n\u771f<\/td>\n\u771f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
!<\/td>\n\u53f3\u8fba\u304c\u507d\u306e\u5834\u5408<\/p>\n
\"op_03\"<\/td>\n
\n\n\n\n\n\n\n
<\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
<\/td>\n\u507d<\/td>\n\u771f<\/td>\n<\/tr>\n
<\/td>\n\u771f<\/td>\n\u507d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4f8b\u6587\uff1a<\/p>\n
#include <stdio.h>\r\nint main(void)\r\n{\r\n  char\u00a0res;\r\n\r\n  printf("\u3042\u306a\u305f\u306f\u7537\u6027\u3067\u3059\u304b\uff1f \u00a5n");\r\n  printf("Y\u307e\u305f\u306fN\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u00a5n");\r\n\r\n  res\u3000= getchar();\r\n  \r\n  if(res == 'Y' || res == 'y') {\r\n    printf("\u7537\u6027\u3067\u3057\u305f\u304b\u3002\u3002 \u00a5n");\r\n  } \r\n  else if(res == 'N' || res == 'n') {\r\n    printf("\u5973\u6027\u3067\u3057\u305f\u304b\u3002\u3002 \u00a5n");\r\n  }\r\n  else {\r\n    printf("Y\u304bN\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u00a5n");\r\n  }\r\n\r\n  return 0;\r\n}<\/pre>\n
Y\u3068\u5165\u529b\u7d50\u679c<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u6761\u4ef6\u6f14\u7b97\u5b50\uff08\u4e09\u9805\u6f14\u7b97\u5b50\uff09<\/h4>\n
\u6761\u4ef6\u6f14\u7b97\u5b50\uff08\u4e09\u9805\u6f14\u7b97\u5b50\uff09\u69cb\u6587<\/strong><\/p>\n
\u6761\u4ef6 ? \u771f\u306e\u6642\u306e\u5f0f1 : \u507d\u306e\u6642\u5f0f2<\/pre>\n
\u4f8b\u6587\uff1a<\/strong><\/p>\n
#include <stdio.h>\r\n\r\nint main(void)\r\n{\r\n\r\n  int res;\r\n  char ans;\r\n\r\n  printf("\u4f55\u756a\u76ee\u3092\u9078\u3073\u307e\u3059\u304b\uff1f \u00a5n");\r\n\r\n  printf("\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u00a5n");\r\n\r\n  scanf("%d", &amp;res);\r\n  ans =\u00a0(res == 1) ? 'A' : 'B';\r\n\r\n  printf("%c\u30b3\u30fc\u30b9\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002\u00a5n", ans);\r\n\r\n  return 0;\r\n}<\/pre>\n
1\u3092\u5165\u529b\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50<\/h4>\n
 <\/p>\n
\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u300c2\u9032\u6570\u3067\u8868\u3057\u305f1\u3064\u307e\u305f\u306f2\u3064\u306e\u6570\u5024\u306e\u305d\u308c\u305e\u308c\u306e\u30b1\u30bf\u306b\u3064\u3044\u3066\u30010\u304b1\u306e\u3069\u3061\u3089\u304b\u3092\u8fd4\u3059\u300d\u6f14\u7b97\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n
\u6f14\u7b97\u5b50<\/strong><\/td>\n\u771f\u3068\u306a\u308b\u5834\u5408<\/strong><\/td>\n\u8a55\u4fa1<\/strong><\/td>\n<\/tr>\n<\/thead>\n
&<\/td>\n\u5de6\u8fba\u30fb\u53f3\u8fba\u306e\u30d3\u30c3\u30c8\u304c\u3068\u3082\u306b1\u306e\u5834\u5408<\/p>\n
\"op_11\"<\/td>\n
\n\n\n\n\n\n\n\n\n\n
\u5de6<\/strong><\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
0<\/td>\n1<\/td>\n0<\/td>\n<\/tr>\n
1<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
1<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
|<\/td>\n\u5de6\u8fba\u30fb\u53f3\u8fba\u306e\u30d3\u30c3\u30c8\u306e\u3069\u3061\u3089\u304b\u304c1\u306e\u5834\u5408<\/p>\n
\"op_12\"<\/td>\n
\n\n\n\n\n\n\n\n\n\n
\u5de6<\/strong><\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
0<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
1<\/td>\n0<\/td>\n1<\/td>\n<\/tr>\n
1<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
^<\/td>\n\u5de6\u8fba\u30fb\u53f3\u8fba\u306e\u30d3\u30c3\u30c8\u304c\u7570\u306a\u308b\u5834\u5408<\/p>\n
\"op_13\"<\/td>\n
\n\n\n\n\n\n\n\n\n\n
\u5de6<\/strong><\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
0<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
1<\/td>\n0<\/td>\n1<\/td>\n<\/tr>\n
1<\/td>\n1<\/td>\n0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n
~<\/td>\n\u53f3\u8fba\u306e\u30d3\u30c3\u30c8\u304c0\u306e\u5834\u5408<\/p>\n
\"op_14\"<\/td>\n
\n\n\n\n\n\n\n
<\/td>\n\u53f3<\/strong><\/td>\n\u5168\u4f53<\/strong><\/td>\n<\/tr>\n<\/thead>\n
<\/td>\n0<\/td>\n1<\/td>\n<\/tr>\n
<\/td>\n1<\/td>\n0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4f8b\u3068\u3057\u3066\u300110\u9032\u6570\u306e\u300c10\u300d\u3068\u300c12\u300d\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u3084\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n
10<\/td>\n10\u306e2\u9032\u6570<\/td>\n12\u306e2\u9032\u6570<\/td>\n\u7d50\u679c 2\u9032\u6570<\/td>\n\u7d50\u679c 10\u9032\u6570<\/td>\n<\/tr>\n
&<\/td>\n1010<\/td>\n1100<\/td>\n1000<\/td>\n8<\/td>\n<\/tr>\n
|<\/td>\n1010<\/td>\n1100<\/td>\n1110<\/td>\n14<\/td>\n<\/tr>\n
^<\/td>\n1010<\/td>\n1100<\/td>\n\n
110<\/span><\/p>\n<\/td>\n
\u00a06<\/td>\n<\/tr>\n
~<\/td>\n\u00a01010<\/td>\n<\/td>\n1111111111110101<\/td>\n\u00a0-11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n","protected":false},"excerpt":{"rendered":"
C\u8a00\u8a9e if\u6587\u30fbswitch\u6587\u30fb\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u3064\u3089\u3064\u3089\u3068\u3002 if\u6587 (if statement) if\u6587 \u69cb\u6587 if (\u6761\u4ef6) \u6587; \u4f8b\u6587 #include <stdio.h> int main(void) { […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[200],"tags":[39,178,138,118],"class_list":["post-7163","post","type-post","status-publish","format-standard","hentry","category-c-2","tag-39","tag-178","tag-138","tag-118"],"_links":{"self":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7163"}],"version-history":[{"count":4,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7163\/revisions"}],"predecessor-version":[{"id":7369,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7163\/revisions\/7369"}],"wp:attachment":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}