题目描述 A ternary string is a sequence of digits, where each digit is either 0, 1, or 2. Chiaki has a ternary string s which can self-reproduce. Every second, a digit 0 is inserted after every 1 in the string, and then a digit 1 is inserted after every
题目链接:https://www.nowcoder.com/acm/contest/142/A 题目描述 A ternary string is a sequence of digits, where each digit is either 0, 1, or 2. Chiaki has a ternary string s which can self-reproduce. Every second, a digit 0 is inserted after every 1 in the str
链接:https://www.nowcoder.com/acm/contest/141/E 来源:牛客网 题目描述 Eddy likes to play with string which is a sequence of characters. One day, Eddy has played with a string S for a long time and wonders how could make it more enjoyable. Eddy comes up with foll
链接:https://www.nowcoder.com/acm/contest/141/E来源:牛客网 Eddy likes to play with string which is a sequence of characters. One day, Eddy has played with a string S for a long time and wonders how could make it more enjoyable. Eddy comes up with following
链接:https://www.nowcoder.com/acm/contest/141/E来源:牛客网 Eddy likes to play with string which is a sequence of characters. One day, Eddy has played with a string S for a long time and wonders how could make it more enjoyable. Eddy comes up with following
链接:https://ac.nowcoder.com/acm/contest/884/I来源:牛客网 题目描述 We call a,ba,ba,b non-equivalent if and only if a≠ba \neq ba=b and a≠rev(b)a \neq rev(b)a=rev(b), where rev(s)rev(s)rev(s) refers to the string obtained by reversing characters of sss, for e
链接:https://www.nowcoder.com/acm/contest/142/A 来源:牛客网 题目描述 A ternary , , or . Chiaki has a ternary in the string, and finally the first character will disappear. For example, ``'' after another second. Chiaki would like to know the number of seconds n
链接:https://www.nowcoder.com/acm/contest/145/C 来源:牛客网 题目描述 A binary string s of length N = 2n is given. You will perform the following operation n times : - Choose one of the operators AND (&), OR (|) or XOR (^). Suppose the current and s2i. For examp