{"id":260,"date":"2022-08-30T14:58:23","date_gmt":"2022-08-30T14:58:23","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/08\/31\/problem-about-pre-increment-record-and-share-programming-errors\/"},"modified":"2022-08-30T14:58:23","modified_gmt":"2022-08-30T14:58:23","slug":"problem-about-pre-increment-record-and-share-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-pre-increment-record-and-share-programming-errors\/","title":{"rendered":"problem about pre-increment-Record and share programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/HW6VJ.jpg?s=32&amp;g=1\" \/><br \/>\nDaniel Daranas<br \/>\nc# c++ pre-increment<br \/>\nThis question already has an answer here:Undefined Behavior and Sequence Points4 ans<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d1d4f9ba918ab58d197e22b1afb6aeea?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nChironex<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/175f1d55c73ce5cb1d071dc4d0f1a333?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nAlex Reynolds<br \/>\nphp operator-precedence post-increment pre-increment<br \/>\nThis question already has an answer here:Why is $a + ++$a == 2?12 answersIn the PHP manual, operator precedence section, there is this example:\/\/ mixing ++ and + produces undefined behavior $a = 1; echo ++$a + $a++; \/\/ may print 4 or 5I understand the behavior is undefined be<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ca85a202ad478191dcdb89a938102c95?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nShubham Jaiswal<br \/>\npre-increment<br \/>\n#include using namespace<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/1074f0a031cca12280359231a87662af?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nEric<br \/>\nc printf post-increment pre-increment<br \/>\nThis question already has an answer here:Could anyone explain these undefined behaviors (i = i++ + ++i , i = i++, etc\u2026)8 answers#include #include int main() { int a=3; \/\/case 1 printf(&#8220;%d %d %d\\n&#8221;,(&#8211;a),(a&#8211;),(&#8211;a));\/\/output is 0 2 0 printf(&#8220;%d\\n&#8221;,a);\/\/here the final value of &#8216;a&#8217; \/\/end of case 1 a=3; \/\/case 2 printf(&#8220;%d\\n&#8221;,(++a)+(a&#8211;)-(&#8211;a));\/\/output is 5 value of a is 2 printf(&#8220;%d\\n&#8221;,a);\/\/here the final value of &#8216;a&#8217; \/\/end of case 2 a=3; \/\/case 3 printf(&#8220;%d\\n&#8221;,(++a)*(a&#8211;)*(&#8211;a));\/\/output is 48 value of a is 2 printf(&#8220;%d\\n&#8221;,a);\/\/here the final value of &#8216;a&#8217; \/\/end of case 3 \/\/case 4 int i=3,j; i= ++i * i++ * ++i; printf(&#8220;%d\\n&#8221;,i);\/\/output is 81 i=3; j= ++i * i++ * ++i; printf(&#8220;%<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/fje5I.jpg?s=32&amp;g=1\" \/><br \/>\nAnri<br \/>\nc pre-increment<br \/>\nThis question already has an answer here:What is the difference between ++i a<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/0893e3a055bb4c7d4d97697f01e3d9fe?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nXO39<br \/>\nc++ post-increment pre-increment<br \/>\nPlease be easy on me and don&#8217;t shoot me as I&#8217;m still newbie.I&#8217;m totally confused and can&#8217;t for life figure out why when I run this code:int y = 9; cout<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-08-31 07:03:56. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>Daniel Daranas c# c++ pre-increment This question already has an answer here:Undefined Behavior and Sequence Points4 ans Chironex Alex Reynolds php operator-precedence post-increment pre-increment This question already has an answer here:Why is $a + ++$a == 2?12 answersIn the PHP manual, operator precedence section, there is this example:\/\/ mixing ++ and + produces undefined behavior [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-260","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=260"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/260\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}