{"trustable":true,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003edd pre {\n display: block;\n padding: 9.5px;\n margin: 0 0 10px;\n font-size: 13px;\n line-height: 1.42857143;\n word-break: break-all;\n word-wrap: break-word;\n color: #333;\n background-color: #f5f5f5;\n border: 1px solid #ccc;\n border-radius: 4px;\n}\u003c/style\u003e","sections":[{"title":"Description","value":{"format":"HTML","content":"\n\u003cp\u003e\u003cimg height\u003d\"196\" width\u003d\"770\" alt\u003d\"\" src\u003d\"CDN_BASE_URL/974b73ccbe8a43063f7bb12690b2a355?v\u003d1679582569\"\u003e\u003c/p\u003e\n"}},{"title":"Input","value":{"format":"HTML","content":"\n\u003cp\u003e\u003cspan style\u003d\"font-size: medium\"\u003e一行，一个字符串S\u003c/span\u003e\u003c/p\u003e\n"}},{"title":"Output","value":{"format":"HTML","content":"\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003cspan style\u003d\"font-size: medium\"\u003e一行，一个整数，表示所求值\u003c/span\u003e\u003c/p\u003e\n"}},{"title":"Sample","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003ecacao\n\u003c/td\u003e\n \u003ctd\u003e\u003cbr\u003e\n 54\u003cbr\u003e\u003cbr\u003e\n\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Hint","value":{"format":"HTML","content":"\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\n 2\u0026lt;\u003dN\u0026lt;\u003d500000,S由小写英文字母组成\u003cbr\u003e\u003cbr\u003e\u003c/p\u003e\n"}}]}