A10458. Simple Strings
编程题
普及/提高-
知识点
题目描述
zscoder loves simple strings! A string $t$ is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple.
zscoder is given a string $s$ . He wants to change a minimum number of characters so that the string $s$ becomes simple. Help him with this task!
zscoder is given a string $s$ . He wants to change a minimum number of characters so that the string $s$ becomes simple. Help him with this task!
输入格式
The only line contains the string $s$ ( $1<=|s|<=2·10^{5}$ ) — the string given to zscoder. The string $s$ consists of only lowercase English letters.
输出格式
Print the simple string $s'$ — the string $s$ after the minimal number of changes. If there are multiple solutions, you may output any of them.
Note that the string $s'$ should also consist of only lowercase English letters.
Note that the string $s'$ should also consist of only lowercase English letters.
输入输出样例
输入 #1
aab
输出 #1
bab
输入 #2
caaab
输出 #2
cabab
输入 #3
zscoder
输出 #3
zscoder