{"id":15343,"date":"2024-11-17T20:29:58","date_gmt":"2024-11-17T12:29:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=15343"},"modified":"2024-11-17T20:29:58","modified_gmt":"2024-11-17T12:29:58","slug":"c%e8%af%ad%e8%a8%80%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/15343\/","title":{"rendered":"C\u8bed\u8a00\u5b66\u4e60\u7b14\u8bb0\uff08\u4e00\uff09"},"content":{"rendered":"<h4><strong>\u4e00\u30012\u8fdb\u5236\u30018\u8fdb\u5236\u300110\u8fdb\u5236\u300116\u8fdb\u5236\u4e4b\u95f4\u7684\u8f6c\u6362<\/strong><\/h4>\n<p>1\uff092\u8fdb\u5236\u30018\u8fdb\u5236\u300116\u8fdb\u5236 =&gt; 10\u8fdb\u5236 \uff1d \u6309\u6743\u76f8\u52a0<br \/>\n2\uff0910\u8fdb\u5236 =&gt; 2\u8fdb\u5236\u30018\u8fdb\u5236\u300116\u8fdb\u5236 = \u9664N\u53d6\u4f59 \u9006\u5e8f\u6392\u5217<br \/>\n3\uff092\u8fdb\u5236\u30018\u8fdb\u5236\u300116\u8fdb\u5236\u95f4\u7684\u8f6c\u6362<br \/>\n4\uff0910\u8fdb\u5236\u5c0f\u6570 =&gt; 2\u8fdb\u5236\u5c0f\u6570 = \u4e582\u53d6\u6574\u3001\u987a\u5e8f\u6392\u5217<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>\u4e8c\u3001ASCII\u7f16\u7801\u4ee5\u53ca\u5b57\u7b26\u96c6\u7684\u6f14\u8fdb\u5386\u53f2<\/strong><\/h4>\n<h4><strong>\u4e09\u3001\u5b66\u4e60\u6570\u636e\u7ed3\u6784\u3001\u7b97\u6cd5\u3001\u5185\u5b58\u3001\u7ebf\u7a0b\u3001\u8fdb\u7a0b\u3001\u901a\u4fe1\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u57fa\u672c\u7684\u6982\u5ff5<\/strong><\/h4>\n<h4><strong>\u56db\u3001C\u548cC++\u7684\u533a\u522b\u548c\u8054\u7cfb<\/strong><\/h4>\n<h4><strong>\u4e94\u3001C\u7684\u7f16\u8bd1\u8fc7\u7a0b<\/strong><\/h4>\n<p>1\uff09\u9884\u5904\u7406<br \/>\n2\uff09\u7f16\u8bd1<br \/>\n3\uff09\u6c47\u7f16<br \/>\n4\uff09\u94fe\u63a5<\/p>\n<h4>\u516d\u3001short\u3001int\u3001long\u3001float\u3001double\u7684\u5b57\u8282\u957f\u5ea6<\/h4>\n<p>1\uff0964\u4f4dLinux 2\u30014\u30018\u30014\u30018<br \/>\n2\uff09\u53ef\u4ee5\u4f7f\u7528 typeof \u6d4b\u8bd5\u8f93\u51fa<\/p>\n<h4>\u4e03\u3001printf\u7684\u683c\u5f0f\u5316\u8f93\u51fa<\/h4>\n<p>\uff05hd\u3001%d\u3001\uff05ld\u3001%hu\u3001%u\u3001%lu<br \/>\n%ho\u3001%o\u3001%lo<br \/>\n%hx\u3001%x\u3001%lx\u3001\uff05hX\u3001%X\u3001%lX<\/p>\n<h4><strong>\u516b\u3001\u539f\u7801\u3001\u53cd\u7801\u3001\u8865\u7801<\/strong><\/h4>\n<h4><strong>\u4e5d\u3001char \u3001short\u3001int\u3001long\u7684\u53d6\u503c\u8303\u56f4\uff08\u533a\u5206signed\u548cunsigned\uff09<\/strong><\/h4>\n<h4>\u5341\u3001float\u3001double\u5728\u5185\u5b58\u4e2d\u662f\u5982\u4f55\u5b58\u50a8\uff1f\u5982\u4f55\u8bfb\u53d6\uff1f<\/h4>\n<p>flt = (-1)<sup>sign<\/sup>\u00a0\u00d7\u00a0mantissa \u00d7\u00a0base<sup>exponent<br \/>\n<\/sup><\/p>\n<p>\u53c2\u8003\uff1ahttp:\/\/c.biancheng.net\/cpp\/html\/3099.html<\/p>\n<h4>\u5341\u4e8c\u3001C\u8bed\u8a00\u4e2d\uff0c\u5b57\u7b26\u4e32\u53d8\u91cf\u7684\u4e24\u79cd\u5b9a\u4e49\u5f62\u5f0f\uff1a\u6570\u7ec4\u548c\u6307\u9488<\/h4>\n<p>1) char str1[] = \u201chttp:\/\/www.taisha.org\u201d;<br \/>\n2) char *str2 = \u201c\u592a\u50bb\u7f51\u201d;<\/p>\n<h4>\u5341\u4e09\u3001\u81ea\u589e\u3001\u81ea\u51cf<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u30012\u8fdb\u5236\u30018\u8fdb\u5236\u300110\u8fdb\u5236\u300116\u8fdb\u5236\u4e4b\u95f4\u7684\u8f6c\u6362 1\uff092\u8fdb\u5236\u30018\u8fdb\u5236\u300116\u8fdb\u5236 =&gt; 10\u8fdb\u5236 \uff1d \u6309\u6743\u76f8\u52a0 2\uff0910\u8fdb\u5236 =&gt; 2\u8fdb\u5236\u30018\u8fdb\u5236\u300116\u8fdb\u5236 = \u9664N\u53d6\u4f59 \u9006\u5e8f\u6392\u5217 3\uff092\u8fdb\u5236\u30018\u8fdb\u5236\u300116\u8fdb\u5236\u95f4\u7684\u8f6c\u6362 4\uff0910\u8fdb\u5236\u5c0f\u6570 =&gt; 2\u8fdb\u5236\u5c0f\u6570 = \u4e582\u53d6\u6574\u3001\u987a\u5e8f\u6392\u5217 &nbsp; \u4e8c\u3001ASCII\u7f16\u7801\u4ee5\u53ca\u5b57\u7b26\u96c6\u7684\u6f14\u8fdb\u5386\u53f2 \u4e09\u3001\u5b66\u4e60\u6570\u636e\u7ed3\u6784\u3001\u7b97\u6cd5\u3001\u5185\u5b58\u3001\u7ebf\u7a0b\u3001\u8fdb\u7a0b\u3001\u901a\u4fe1\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u57fa\u672c\u7684\u6982\u5ff5 \u56db\u3001C\u548cC++\u7684\u533a\u522b\u548c\u8054\u7cfb \u4e94\u3001C\u7684\u7f16\u8bd1\u8fc7\u7a0b 1\uff09\u9884\u5904\u7406 2\uff09\u7f16\u8bd1 3\uff09\u6c47\u7f16 4\uff09\u94fe\u63a5 \u516d\u3001short\u3001int\u3001long\u3001float\u3001double\u7684\u5b57\u8282\u957f\u5ea6 1\uff0964\u4f4dLinux 2\u30014\u30018\u30014\u30018 2\uff09\u53ef\u4ee5\u4f7f\u7528 typeof \u6d4b\u8bd5\u8f93\u51fa \u4e03\u3001printf\u7684\u683c\u5f0f\u5316\u8f93\u51fa \uff05hd\u3001%d\u3001\uff05ld\u3001%hu\u3001%u\u3001%lu %ho\u3001%o\u3001%lo %hx\u3001%x\u3001%lx\u3001\uff05hX\u3001%X\u3001%lX \u516b\u3001\u539f\u7801\u3001\u53cd\u7801\u3001\u8865\u7801 \u4e5d\u3001char \u3001short\u3001int\u3001long\u7684\u53d6\u503c\u8303\u56f4\uff08\u533a\u5206signed\u548cunsigned\uff09 \u5341\u3001float\u3001double\u5728\u5185\u5b58\u4e2d\u662f\u5982\u4f55\u5b58\u50a8\uff1f\u5982\u4f55\u8bfb\u53d6\uff1f flt = (-1)sign\u00a0\u00d7\u00a0mantissa \u00d7\u00a0baseexponent \u53c2\u8003\uff1ahttp:\/\/c.biancheng.net\/cpp\/html\/3099.html \u5341\u4e8c\u3001C\u8bed\u8a00\u4e2d\uff0c\u5b57\u7b26\u4e32\u53d8\u91cf\u7684\u4e24\u79cd\u5b9a\u4e49\u5f62\u5f0f\uff1a\u6570\u7ec4\u548c\u6307\u9488 1) char str1[] = \u201chttp:\/\/www.taisha.org\u201d; 2) char *str2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-15343","post","type-post","status-publish","format-standard","hentry","category-coding"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15343","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=15343"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15343\/revisions"}],"predecessor-version":[{"id":15344,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15343\/revisions\/15344"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=15343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=15343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=15343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}