{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cstyle type\u003d\"text/css\"\u003e .sampledata { font-family: \"Courier New\", Courier, monospace; white-space: pre; }\u003c/style\u003e\u003cp\u003e 传说中没有前导零并且且相邻的两个数字的差至少为2的大于0的整数被称为Cqw数。 Cqw想知道,\u003cbr\u003e 在N与M之间(包括N与M)一共存在多少个Cqw数?\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e 包含两个整数,A B。\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e 一个整数\u003c/p\u003e"}},{"title":"Sample_in1","value":{"format":"HTML","content":"\u003cspan class\u003dsampledata\u003e【输入样例一】\n1 10\n"}},{"title":"Sample_out1","value":{"format":"HTML","content":"\u003cspan class\u003dsampledata\u003e\n9\n"}},{"title":"Sample_in2","value":{"format":"HTML","content":"25 50\u003c/span\u003e\u003c/div\u003e"}},{"title":"Sample_out2","value":{"format":"HTML","content":"20\u003c/span\u003e\u003c/div\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"\u003cp\u003e\u003c/p\u003e\n\u003cp\u003e【数据规模和约定】\u003cbr\u003e\u003cbr\u003e 100%的数据,满足 1 \u0026lt;\u003d A \u0026lt;\u003d B \u0026lt;\u003d 2000000000 。\u003c/p\u003e\n\u003cp\u003e\u003c/p\u003e"}}]}