{"id":236,"date":"2014-12-21T13:54:14","date_gmt":"2014-12-21T05:54:14","guid":{"rendered":"http:\/\/yangwang.hk\/?p=236"},"modified":"2014-12-21T13:54:14","modified_gmt":"2014-12-21T05:54:14","slug":"2-2%e3%80%81%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/yangwang.hk\/?p=236","title":{"rendered":"2.2\u3001\u53d8\u91cf\u7c7b\u578b"},"content":{"rendered":"<p>c\u8bed\u8a00\u4e2d\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6709<\/p>\n<ul>\n<li>int\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4e49\u6574\u5f62\u53d8\u91cf<\/li>\n<li>float\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4e49\u6d6e\u70b9\u578b\u53d8\u91cf\uff08\u6d6e\u70b9\u578b\u5c31\u662f\u4fdd\u5b58\u5c0f\u6570\u7684\uff09<\/li>\n<li>double\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4e49\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u578b\u53d8\u91cf<\/li>\n<li>char\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4e49\u5b57\u7b26\u578b\u53d8\u91cf<\/li>\n<\/ul>\n<h4>\u6574\u5f62\u53d8\u91cf<\/h4>\n<p>\u6574\u5f62\u53d8\u91cf\u81ea\u7136\u5c31\u662f\u4fdd\u5b58\u6574\u6570\u7684\u53d8\u91cf\u3002\u4e3a\u4ec0\u4e48\u8981\u628a\u6574\u6570\u548c\u5c0f\u6570\u5206\u5f00\u5462\uff1f<\/p>\n<p>\u8fd9\u662f\u56e0\u4e3a\uff0c\u5728\u4e8c\u8fdb\u5236\u4e2d\uff0c\u53ea\u67090\u548c1\uff0c\u6ca1\u6709\u5c0f\u6570\u70b9\uff0c\u56e0\u6b64\u6574\u6570\u548c\u5c0f\u6570\u5728\u8ba1\u7b97\u673a\u770b\u6765\uff0c\u90fd\u662f1\u548c0\u7684\u7ec4\u5408\uff0c\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\u3002<\/p>\n<p>\u800c\u6211\u4eec\u628a\u67d0\u4e00\u5757\u6570\u636e\u770b\u4f5c\u5c0f\u6570\uff0c\u90a3\u4e48\u4ed6\u5c31\u662f\u5c0f\u6570\uff0c\u628a\u5b83\u770b\u4f5c\u6574\u6570\uff0c\u4ed6\u5c31\u53d8\u6210\u4e86\u6574\u6570\u3002<\/p>\n<p>\u56e0\u6b64\u4e00\u4e2a\u6570\u636e\u662f\u4ec0\u4e48\u7c7b\u578b\u90fd\u662f\u770b\u4f60\u7528\u4ec0\u4e48\u6807\u51c6\u53bb\u770b\u4ed6\u3002<\/p>\n<p>\u6574\u5f62\u53d8\u91cf\u53ea\u80fd\u4fdd\u5b58\u6574\u6570\uff0c\u5982\u679c\u4f60\u8ba9\u4ed6\u4fdd\u5b58\u4e00\u4e2a\u5c0f\u6570\u4f1a\u600e\u4e48\u6837\u5462\u3002\u8ba9\u6211\u4eec\u5c06\u4ed6\u4f5c\u4e3a\u4e00\u4e2a\u95ee\u9898\uff0c\u7a0d\u540e\u6211\u4eec\u4f1a\u505a\u76f8\u5173\u7684\u5b9e\u9a8c\u6765\u8fdb\u884c\u63a2\u7a76\u3002<\/p>\n<h4>\u6d6e\u70b9\u578b<\/h4>\n<p>\u6d6e\u70b9\u578b\u5c31\u662f\u4fdd\u5b58\u5c0f\u6570\u7684\u7c7b\u578b\uff0c\u90a3\u4e48\u4e3a\u4ec0\u4e48\u6709float\u548cdouble\u4e4b\u5206\u5462\uff1f<\/p>\n<p>\u524d\u9762\u8bf4\u5230\u8fc7\uff0c\u53d8\u91cf\u7684\u672c\u8d28\u5c31\u662f\u5185\u5b58\u4e0a\u7684\u4e00\u5c0f\u5757\u50a8\u5b58\u7a7a\u95f4\u3002<\/p>\n<p>\u800c\u7a7a\u95f4\u7684\u5bb9\u91cf\u662f\u6709\u9650\u7684\uff0c\u5c31\u50cf\u4e00\u4e2a\u74f6\u5b50\uff0c\u5f53\u4f60\u88c5\u6ee1\u4e86\u6c34\u540e\u5c31\u653e\u4e0d\u4e0b\u5176\u4ed6\u4e1c\u897f\u4e86\u3002\uff08\u522b\u544a\u8bc9\u6211\u6c34\u91cc\u9762\u8fd8\u80fd\u7ee7\u7eed\u6eb6\u89e3\u6c14\u4f53\u3002\u3002\u3002\uff09<\/p>\n<p>\u60f3\u8981\u88c5\u66f4\u591a\u4e1c\u897f\uff1f\u6ca1\u5173\u7cfb\uff0c\u65b9\u6cd5\u5c31\u662f\u589e\u5927\u5bb9\u79ef\uff08\u589e\u52a0\u5185\u5b58\u4e0a\u50a8\u5b58\u7a7a\u95f4\u7684\u5927\u5c0f\uff09\u3002<\/p>\n<p>\u4f46\u662f\u5f88\u4e0d\u5e78\uff0cc\u8bed\u8a00\u4e2d\uff0c\u4e00\u4e2a\u7c7b\u578b\u6240\u5360\u7528\u7684\u7a7a\u95f4\u662f\u56fa\u5b9a\u7684\uff08\u5c3d\u7ba1\u4e0d\u540c\u7684\u73af\u5883\u4e0b\u53d8\u91cf\u7684\u7a7a\u95f4\u786e\u5b9e\u6709\u53ef\u80fd\u4e0d\u540c\uff0c\u4f46\u662f\u5728\u4e00\u4e2a\u786e\u5b9a\u7684\u73af\u5883\u4e0b\u5404\u79cd\u7c7b\u578b\u7684\u7a7a\u95f4\u5927\u5c0f\u5c31\u662f\u4e00\u4e2a\u5e38 \u6570\uff01\uff09\u3002\u8fd9\u610f\u5473\u7740\u6211\u4eec\u4e0d\u80fd\u50cf\u5f80\u6c14\u7403\u91cc\u9762\u704c\u6c34\u4e00\u6837\uff08\u6211\u6253\u8d4c\u4f60\u73a9\u8fc7\uff09\uff0c\u6c14\u7403\u7684\u4f53\u79ef\u4f1a\u81ea\u52a8\u589e\u5927\u3002\u6211\u4eec\u53ea\u80fd\u6362\u4e00\u4e2a\u66f4\u5927\u7684\u676f\u5b50\u6765\u88c5\u6c34\u3002<\/p>\n<p>float\u548cdouble\u5c31\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u676f\u5b50\u3002<\/p>\n<p>double\u6709\u53cc\u7684\u610f\u601d\uff0c\u800c\u5728\u7f16\u7a0b\u4e2d\uff0cdouble\u7684\u50a8\u5b58\u7a7a\u95f4\u4fbf\u662ffloat\u7684\u4e24\u500d\u3002\u7a7a\u95f4\u66f4\u5927\u4ed6\u7684\u7cbe\u5ea6\u81ea\u7136\u66f4\u5927\u3002<\/p>\n<p>\u90a3\u4e48\u4f60\u53ef\u80fd\u53c8\u4f1a\u95ee\u4e86\uff0c\u65e2\u7136double\u7cbe\u5ea6\u66f4\u9ad8\uff0c\u90a3\u4e48\u7559\u7740float\u5e72\u5565\u5462\uff1f<\/p>\n<p>\u5f53\u7136\u662f\u7701\u7a7a\u95f4\u4e86\uff0c\u5728\u65e9\u671f\uff0c\u8ba1\u7b97\u673a\u7684\u5185\u5b58\u662f\u5f88\u5c11\u7684\uff0c\u73b0\u5728\u65e9\u5df2\u6dd8\u6c70\u7684512M\u5185\u5b58\u5728\u5f53\u65f6\u662f\u4e0d\u6562\u60f3\u8c61\u7684\u3002<\/p>\n<p>\u73b0\u5728\u8ba1\u7b97\u673a\u7684\u5185\u5b58\u53d8\u5927\u4e86\uff0c\u6211\u4eec\u5f53\u7136\u4e0d\u7528\u518d\u53bb\u6316\u7a7a\u5fc3\u601d\u7684\u53bb\u60f3\u5982\u4f55\u7701\u5185\u5b58\u3002\u4e0d\u8fc7\u73b0\u5728\u67d0\u4e9b\u5355\u7247\u673a\u4e0a\u786c\u4ef6\u5185\u5b58\u4ecd\u7136\u5f88\u7d27\u5f20\u3002\u4f8b\u5982\u5f88\u5e38\u7528\u768451\u5355\u7247\u673a\u4e0a\uff0c\u53ea\u6709218B\u7684RAM\uff0c\u8bf7\u6ce8\u610f\u662fB\u4e0d\u662fMB\u4e5f\u4e0d\u662fKB\uff0c\u5728\u8fd9\u79cd\u73af\u5883\u4e0b\u7701\u5185\u5b58\u7684\u610f\u4e49\u4fbf\u4f53\u73b0\u51fa\u6765\u4e86\u3002<\/p>\n<h4>\u5b57\u7b26\u578b<\/h4>\n<p>\u5b57\u7b26\u578b\u5c31\u662f\u7528\u6765\u4fdd\u5b58\u5b57\u7b26\u7684\u4e86\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u70b9\u9700\u8981\u6ce8\u610f\uff0c\u90a3\u5c31\u662f\u5b57\u7b26\u662f\u5982\u4f55\u4fdd\u5b58\u7684\uff1f<\/p>\n<p>\u524d\u6587\u4e2d\u5df2\u7ecf\u8bf4\u8fc7\u5f88\u591a\u904d\uff0c\u8ba1\u7b97\u673a\u5185\u53ea\u67091\u548c0\u4e24\u4e2a\u7b26\u53f7\uff0c\u90a3\u4e48\u5982\u4f55\u8868\u793a\u5404\u79cd\u5404\u6837\u7684\u5b57\u7b26\u5462\u3002<\/p>\n<p>\u628a\u67d0\u4e2a\u6570\u636e\u770b\u4f5c\u662f\u5b57\u7b26\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u89c4\u5b9a\uff0c1\u4ee3\u8868a\uff0c2\u4ee3\u8868b\uff0c\u81ea\u71363\u5c31\u662fc\uff0c4\u5c31\u662fd<\/p>\n<p>\u73b0\u5728\u5c31\u597d\u529e\u4e86\uff0c\u53ea\u8981\u4e00\u4e2a\u4e13\u95e8\u8d1f\u8d23\u663e\u793a\u7684\u7a0b\u5e8f\uff0c\u9047\u52301\u5c31\u5c06a\u663e\u793a\u51fa\u6765\uff0c\u9047\u52302\u5219\u663e\u793ab\uff0c\u4f9d\u6b21\u7c7b\u63a8\u3002\u6b64\u65f6\uff0c\u6211\u4eec\u5176\u5b9e\u5df2\u7ecf\u81ea\u5df1\u521b\u9020\u4e86\u4e00\u79cd\u6570\u4e0e\u5b57\u7b26\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4e5f\u5c31\u662f\u7f16\u7801\u3002<\/p>\n<p>\u5f88\u4e0d\u5e78\u7684\u662f\uff0c\u6211\u4eec\u73b0\u5b9e\u4e2d\u7684\u8ba1\u7b97\u673a\u4e2d\u5e76\u4e0d\u662f\u4f7f\u7528\u4e0a\u9762\u7684\u5b57\u7b26\u548c\u6570\u5b57\u6620\u5c04\u7684\u5173\u7cfb\uff0c\u5c3d\u7ba1\u5b83\u770b\u8d77\u6765\u6bd4\u8f83\u7b80\u5355\u3002<\/p>\n<p>\u6211\u4eec\u4f7f\u7528\u7684\u662f\u4e00\u79cd\u53eb\u505aASCII\u7684\u7f16\u7801\u65b9\u6848\uff08American Standard Code for Information Interchange\uff0c\u7f8e\u56fd\u4fe1\u606f\u4e92\u6362\u6807\u51c6\u4ee3\u7801\uff09\u3002\u5982\u679c\u4f60\u8981\u95ee\u4e3a\u4ec0\u4e48\u524d\u9762\u6709\u4e2aAmerican\uff1f\u7b54\u6848\u5f88\u7b80\u5355\uff0c\u56e0\u4e3a\u8ba1\u7b97\u673a\u4e00\u5f00\u59cb\u5c31\u662f\u7f8e\u56fd\u4eba\u53d1\u660e\u7684\u3002<\/p>\n<p>\u6ce8\u610fASCII\u7684\u6700\u540e\u662f\u4e24\u4e2a\u5927\u5199\u7684<strong>&#8220;i&#8221;<\/strong>\u800c\u4e0d\u662f\u4e24\u4e2a\u5c0f\u5199\u7684<strong>&#8220;L&#8221;<\/strong><\/p>\n<p>\u5173\u4e8eASCII\u7684\u66f4\u591a\u5185\u5bb9\uff0c\u6211\u4eec\u5c06\u5728\u4e13\u95e8\u7684\u4e00\u8282\u8bf4\u9053\u3002<\/p>\n<h3>\u6709\u7b26\u53f7\u548c\u65e0\u7b26\u53f7<\/h3>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u6570\u503c\u53ef\u4ee5\u5206\u4e3a\u6709\u7b26\u53f7\u548c\u65e0\u7b26\u53f7\u4e24\u79cd\uff0c\u6709\u7b26\u53f7\u5c31\u662f\u8981\u533a\u5206\u6570\u636e\u7684\u6b63\u8d1f\uff0c\u800c\u65e0\u7b26\u53f7\u5219\u4e0d\u9700\u8981\u8003\u8651\u6570\u636e\u7684\u6b63\u8d1f\uff0c\u5b83\u901a\u5e38\u7528\u5728\u90a3\u4e9b\u4e0d\u5173\u5fc3\u6b63\u8d1f\u6216\u8005\u6839\u672c\u5c31\u6ca1\u6709\u8d1f\u6570\u60c5\u51b5\u7684\u573a\u5408\u3002\u6bd4\u5982\u8ba1\u7b97\u5706\u7684\u9762\u79ef\uff0c\u4f60\u603b\u4e0d\u53ef\u80fd\u627e\u4e2a\u9762\u79ef\u4e3a\u8d1f\u6570\u7684\u5706\u5427\uff01<\/p>\n<p>\u6211\u4eec\u4f7f\u7528unsigned\u6765\u4fee\u9970\u65e0\u7b26\u53f7\u7c7b\u578b\uff0c\u800c\u7528signed\u6765\u4fee\u9970\u6709\u7b26\u53f7\u7684\u53d8\u91cf\u3002<\/p>\n<p>\u5982 unsigned int, signed double\u7b49<\/p>\n<p>\u5176\u5b9eint\uff0cfloat\u548cdouble\u5df2\u7ecf\u88ab\u89c4\u5b9a\u4e86\u662f\u9ed8\u8ba4\u6709\u7b26\u53f7\u7684\uff0c\u5373int=signed int\uff0cdouble=signed double\u3002<\/p>\n<p>\u4f60\u53ef\u80fd\u5df2\u7ecf\u610f\u8bc6\u5230\uff0c\u4e0a\u9762\u9057\u6f0f\u4e86\u4e00\u4e2achar\uff0c\u8fd9\u5f53\u7136\u4e0d\u662f\u4e0d\u5c0f\u5fc3\u5199\u6f0f\u4e86\u3002\u800c\u662f\u4eba\u4eec\u5e76\u6ca1\u6709\u4e13\u95e8\u7684\u53bb\u89c4\u5b9a\u5b83\u662f\u4e0d\u662f\u6709\u7b26\u53f7\u7684\uff0c\u5373char \u53ef\u80fd\u7b49\u4e8esigned char\uff0c\u4e5f\u53ef\u80fd\u7b49\u4e8eunsigned char\uff0c\u5177\u4f53\u8981\u770b\u7f16\u8bd1\u5668\u7684\u5fc3\u60c5\u3002\u4e0d\u540c\u7684\u73af\u5883\u662f\u6709\u4e0d\u540c\u7684\u7ed3\u679c\u7684\u3002<\/p>\n<p>\u6709\u7b26\u53f7\u548c\u65e0\u7b26\u53f7\u7684\u533a\u522b\u4e0d\u4ec5\u4ec5\u5728\u4e8e\u65e0\u7b26\u53f7\u4e0d\u80fd\u4fdd\u5b58\u8d1f\u6570\u3002\u8981\u8ba8\u8bba\u8fd9\u4e2a\u95ee\u9898\u6211\u4eec\u9700\u8981\u5148\u4ece\u6570\u636e\u5728\u5185\u5b58\u4e2d\u4fdd\u5b58\u7684\u65b9\u6cd5\u8bf4\u8d77\u3002<\/p>\n<p>\u4efb\u4f55\u6570\u636e\u5728\u7535\u5b50\u8ba1\u7b97\u673a\u4e2d\u90fd\u662f\u4f7f\u7528\u4e8c\u8fdb\u5236\u4fdd\u5b58\u7684\uff0c\u800c\u4fdd\u5b58\u6570\u636e\u7684\u7a7a\u95f4\u662f\u6709\u9650\u5236\u7684\uff0c\u4ee5char\u4e3a\u4f8b\uff0c\u4ed6\u662f\u4e00\u4e2a\u5b57\u8282\u3002\u4e5f\u5c31\u662f8\u4f4d\u3002<\/p>\n<p>\u6bd4\u5982 0111 1111<\/p>\n<p>\u56e0\u4e3a\u4e8c\u8fdb\u5236\u4e2d\u6ca1\u6709\u8d1f\u53f7\u8fd9\u4e2a\u4e1c\u897f\uff0c\u5982\u679c\u9700\u8981\u4fdd\u5b58\u6570\u636e\u7684\u6b63\u8d1f\u5462\uff0c\u4f60\u53ef\u80fd\u5df2\u7ecf\u60f3\u5230\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4f4d\u76840\u548c1\u6765\u8868\u793a\u8fd9\u4e2a\u6570\u7684\u6b63\u8d1f\u3002\u606d\u559c\u4f60\uff0c\u4f60\u731c\u5bf9\u4e86\uff01\u4eba\u4eec\u89c4\u5b9a\u5c06\u6700\u9ad8\u4f4d\u7528\u6765\u8bf4\u660e\u6570\u636e\u7684\u6b63\u8d1f\uff08\u4e5f\u5c31\u662f\u4e0a\u9762\u76840\uff09\uff0c\u75281\u4ee3\u8868\u8d1f\u6570\uff0c\u800c0\u5219\u8868\u793a\u6b63\u6570\u3002\u8fd9\u6837\u770b\u6765\uff0c\u6211\u4eec\u53ea\u6709\u5269\u4e0b\u76847\u4f4d\u6765\u4fdd\u5b58\u6570\u503c\u4e86\u3002<\/p>\n<p>\u4f46\u662f\u6709\u65f6\u5019\u6211\u4eec\u4e0d\u9700\u8981\u8003\u8651\u6570\u636e\u7684\u6b63\u8d1f\uff0c\u8fd9\u6837\u6700\u9ad8\u4f4d\u5c31\u6ca1\u6709\u610f\u4e49\u4e86\uff0c\u6211\u4eec\u603b\u4e0d\u80fd\u7a7a\u7740\u5b83\u4e0d\u7528\u5427\uff01\u4e3a\u4e86\u8282\u7ea6\u7a7a\u95f4\uff0c\u5728\u4e0d\u8003\u8651\u6b63\u8d1f\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4fbf\u5c06\u6700\u9ad8\u4f4d\u4e5f\u7528\u6765\u4fdd\u5b58\u6570\u636e\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u65e0\u7b26\u53f7\u4fdd\u5b58\u6570\u636e\u7528\u4e868\u4f4d\uff0c\u800c\u6709\u7b26\u53f7\u5219\u53ea\u67097\u4f4d\u3002\u7a7a\u95f4\u4e0d\u540c\u5b83\u4eec\u6240\u80fd\u4fdd\u5b58\u6570\u636e\u7684\u8303\u56f4\u81ea\u7136\u4e0d\u540c\u3002<\/p>\n<p>signed char\u662f-128\uff5e127,\u4f60\u53ef\u80fd\u4f1a\u95ee\uff0c\u4e3a\u4ec0\u4e48\u6b63\u6570\u53ea\u5230127\uff0c\u56e0\u4e3a\u8fd8\u6709\u4e00\u4e2a0\u5440\uff01<\/p>\n<p>unsigned char\u5219\u662f0\uff5e255.<\/p>\n<hr \/>\n<p>int\u572832\u4f4d\u73af\u5883\u4e0b\u4e00\u822c\u662f4\u5b57\u8282\uff0c\u6240\u80fd\u8868\u793a\u7684\u6570\u636e\u8303\u56f4\u662f-2147483648 ~ +2147483647\uff0c\u8fd9\u4e2a\u8303\u56f4\u6709\u65f6\u5019\u7a0d\u5fae\u5927\u4e86\u4e00\u70b9\uff0c\u6bd4\u5982\u6211\u7684\u67d0\u4e2a\u6570\u636e\u53ea\u4f1a\u57280-10000\u4e2d\u53d8\u5316\uff0c\u8fd8\u75284\u5b57\u8282\u6765\u4fdd\u5b58\u5c31\u663e\u5f97\u6709\u4e9b\u6d6a\u8d39\u4e86\u3002<\/p>\n<p>\u4e8e\u662f\u5728\u57fa\u672c\u6570\u636e\u7c7b\u578b\u4e4b\u4e0b\uff0c\u6211\u4eec\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e9b\u4fee\u9970\u7b26\u3002\u5b83\u4eec\u662f\uff1a<\/p>\n<p>short\u548clong\uff0c\u53d6\u5b57\u9762\u610f\u601d\uff0cshort\u5c31\u662f\u77ed\uff0clong\u5c31\u662f\u957f\u3002<\/p>\n<p>\u5b83\u4eec\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<br \/>\nshort int,\u00a0long int, long double<\/p>\n<p>short int\u987e\u540d\u601d\u4e49\u5c31\u662f\u77ed\u6574\u578b\u4e86\u3002\u81f3\u4e8eshort double\uff1f\u90a3\u4e0d\u5c31\u662ffloat\u561b<\/p>\n<p>\u7136\u540eint\u5728\u8fd9\u4e2a\u65f6\u5019\u53ef\u4ee5\u7701\u7565\uff0c\u4e5f\u5c31\u662f\u8bf4short=short int\uff0clong=long int<\/p>\n<p>\u4e0d\u8fc7double\u5c31\u4e0d\u80fd\u7701\u7565\u4e86\u3002<\/p>\n<p>\u4eba\u4eec\u5e76\u6ca1\u6709\u89c4\u5b9ashort\u4e00\u5b9a\u662f\u591a\u957f\uff0c\u53ea\u8981\u4e0d\u6bd4int\u5927\u5c31\u884c\uff0clong\u4e5f\u662f\u8fd9\u6837\uff0c\u4e0d\u80fd\u6bd4int\u5c0f\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u7528\u4e0b\u9762\u8fd9\u4e2a\u7a0b\u5e8f\u6765\u6d4b\u8bd5\u4e00\u4e0b\uff0c\u5404\u4e2a\u6570\u636e\u7c7b\u578b\u7684\u5927\u5c0f\u548c\u8303\u56f4<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n#include &lt;stdio.h&gt;\r\n#include &lt;stdlib.h&gt;\r\n#include &lt;limits.h&gt;\r\n#include &lt;float.h&gt;\r\nint main()\r\n{\r\n    printf(&quot;char&gt;%d Byte %d ~ %d\\n\\n&quot;, sizeof(char), CHAR_MIN, CHAR_MIN);\r\n    printf(&quot;unsigned char&gt;%d Byte %d ~ %d\\n\\n&quot;, sizeof(unsigned char), 0, UCHAR_MAX);\r\n    printf(&quot;int&gt;%d Byte %d ~ %d\\n\\n&quot;, sizeof(int), INT_MIN, INT_MAX);\r\n    printf(&quot;unsigned int&gt;%d Byte %d ~ %u\\n\\n&quot;, sizeof(unsigned int), 0, UINT_MAX);\r\n\r\n    printf(&quot;short&gt;%d Byte %d ~ %d\\n\\n&quot;, sizeof(short), SHRT_MIN, SHRT_MAX);\r\n    printf(&quot;long&gt;%d Byte %ld ~ %ld\\n\\n&quot;, sizeof(long), LONG_MIN, LONG_MAX);\r\n\r\n    printf(&quot;float&gt;%d Byte %e ~ %e\\n\\n&quot;, sizeof(float), FLT_MIN, FLT_MAX);\r\n    printf(&quot;double&gt;%d Byte %e ~ %e\\n\\n&quot;, sizeof(double), DBL_MIN, DBL_MAX);\r\n    return 0;\r\n\r\n}\r\n<\/pre>\n<p>\u8bf7\u81ea\u5df1\u7f16\u8bd1\u5e76\u8fd0\u884c\u7a0b\u5e8f<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u5728gcc\u73af\u5883\u4e0b\uff0cchar\u9ed8\u8ba4\u662f\u6709\u7b26\u53f7\u7684!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>c\u8bed\u8a00\u4e2d\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6709 int\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4e49\u6574\u5f62\u53d8\u91cf float\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u2026 <span class=\"read-more\"><a href=\"https:\/\/yangwang.hk\/?p=236\">Read More: 2.2\u3001\u53d8\u91cf\u7c7b\u578b &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-236","post","type-post","status-publish","format-standard","hentry","category-c"],"views":2782,"_links":{"self":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=236"}],"version-history":[{"count":4,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/236\/revisions"}],"predecessor-version":[{"id":241,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/236\/revisions\/241"}],"wp:attachment":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}