\n... For integral operands the $\/$ operator yields the algebraic quotient with any fractional part discarded; if the quotient $a\/b$ is representable in the type of the result, $(a\/b)*b + a\\%b$ is equal to a.<\/p>\n<\/blockquote>\n<\/blockquote>\n\n\n\n
\u5373\uff1a\u2460\u6574\u6570\u9664\u6cd5$a\/b$\u7684\u7ed3\u679c\u628a\u5c0f\u6570\u90e8\u5206\u820d\u5f03\uff1b\u2461\u5982\u679c$a\/b$\u53ef\u8868\u8fbe\uff0c\u90a3\u4e48$(a\/b)*b + a\\%b = a$. <\/p>\n\n\n\n
\u6839\u636e\u4ee5\u4e0a\u89c4\u5219\uff0c\u6709\u5982\u4e0b\u63a8\u8bba\uff1a<\/p>\n\n\n\n
\u5982\u679c$a>0$\uff0c\u5219$a\\%b=a-(a\/b)*b \\ge a-a=0$\uff1b<\/p>\n\n\n\n
\u5982\u679c$a<0$\uff0c\u5219$a\\%b=a-(a\/b)*b \\le a-a=0$.<\/p>\n\n\n\n
\u7efc\u4e0a\uff0c$a\\%b$\u603b\u662f\u4e0e$a$\u540c\u53f7\uff0c\u6216\u503c\u4e3a$0$\u3002\u56e0\u6b64\uff0cC++11\u6807\u51c6\u4e0b\uff0c\u88ab\u53d6\u6a21\u6570\u4e3a\u8d1f\u6570\u65f6\uff0c\u7ed3\u679c\u5fc5\u975e\u6b63\u3002<\/strong><\/p>\n\n\n\n\u4e8e\u662f\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u53d6\u6a21\u7ed3\u679c\u4e3a\u8d1f<\/strong>\u7684\u65f6\u5019\u52a0\u5165\u4e00\u6b21\u7279\u5224\uff0c\u4f7f\u4e4b\u8f6c\u5316\u6210\u4f59\u6570\u4e3a\u6b63<\/strong>\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n\u5168\u6b65\u9aa4\u4e3a\uff1a<\/p>\n\n\n\n
\n- \u5c06\u5341\u8fdb\u5236\u6570$n$\u5bf9$R$\u6c42\u6a21\uff0c\u5b58\u50a8\u4f59\u6570<\/li>\n\n\n\n
- \u5bf9$n$\u8fdb\u884c\u6574\u6570\u9664\u6cd5$n\u00f7R$<\/li>\n\n\n\n
- \u3010\u7279\u5224\u3011\u82e5\u4f59\u6570\u4e3a\u8d1f\uff0c\u5219\u5bf9\u4f59\u6570\uff1a$+=abs(R)$\uff1b\u5bf9\u5546\uff1a$+1$<\/li>\n\n\n\n
- \u5faa\u73af\u4ee5\u4e0a\u8fc7\u7a0b\uff0c\u76f4\u5230$n$\u7684\u503c\u4e3a$0$<\/li>\n\n\n\n
- \u5012\u5e8f\u8f93\u51fa\u6240\u6709\u4f59\u6570<\/li>\n<\/ul>\n\n\n\n
Q3: \u4e00\u70b9\u5c0f\u628a\u620f\uff1a\u5904\u7406\u57fa\u6570\u5927\u4e8e$10$\u65f6\u7684\u8f93\u51fa<\/h3>\n\n\n\n
\u6211\u4eec\u7528\u4e00\u7ef4int\u6570\u7ec4$a[i]$\u5b58\u50a8\u7b2c$i$\u4e2a\u4f59\u6570\uff0c\u5f53$a[i] \\ge 10$\u65f6\uff0c\u53ea\u9700\u6309\u5982\u4e0b\u65b9\u5f0f\u8f93\u51fa\uff1a<\/p>\n\n\n\n
printf(\"%c\",a[i]-10+'A');<\/code><\/pre>\n\n\n\n\u5b8c\u6574\u4ee3\u7801<\/h3>\n\n\n\n#define abs(x) (x>0?x:-x)\n#include<cstdio>\nint num[200];\nint n,r,cnt=-1;\nint main()\n{\n\tscanf(\"%d%d\",&n,&r);\n\tprintf(\"%d=\",n);\n\twhile(abs(n)>0) \/\/\u5199n!=0\u4e5f\u884c\uff08\uff1f\uff09\n\t{\n\t\tif(n%r<0)\n\t\t{\n\t\t\tnum[++cnt]=n%r+abs(r);\n\t\t\tn\/=r;\n\t\t\tn++;\n\t\t\tcontinue;\n\t\t}\n\t\tnum[++cnt]=n%r;\n\t\tn\/=r;\n\t}\n\tfor(int i=cnt;i>=0;i--)\n\t{\n\t\tif(num[i]>9) printf(\"%c\",num[i]-10+'A');\n\t\telse printf(\"%d\",num[i]);\n\t}\n\tprintf(\"(base%d)\",r);\n\treturn 0;\n} <\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u9898\u9762 \u539f\u9898\u94fe\u63a5\u5728\u6b64\u3002 \u9898\u76ee\u80cc\u666f NOIP2000 \u63d0\u9ad8\u7ec4 T1 \u9898\u76ee\u63cf\u8ff0 \u6211\u4eec\u53ef\u4ee5\u7528\u8fd9\u6837\u7684\u65b9\u5f0f\u6765\u8868\u793a\u4e00\u4e2a\u5341\u8fdb\u5236\u6570\uff1a\u5c06\u6bcf\u4e2a\u963f\u62c9\u4f2f\u6570\u5b57 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[8,1],"tags":[],"class_list":["post-131","post","type-post","status-publish","format-standard","hentry","category-oi","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.starluo.top\/index.php?rest_route=\/wp\/v2\/posts\/131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.starluo.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.starluo.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.starluo.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.starluo.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=131"}],"version-history":[{"count":34,"href":"https:\/\/www.starluo.top\/index.php?rest_route=\/wp\/v2\/posts\/131\/revisions"}],"predecessor-version":[{"id":167,"href":"https:\/\/www.starluo.top\/index.php?rest_route=\/wp\/v2\/posts\/131\/revisions\/167"}],"wp:attachment":[{"href":"https:\/\/www.starluo.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.starluo.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.starluo.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}