摘要：
#include using namespace std;int main(){string a ;cin>>a;int i,next[100];//主要程序next[0]=-1;i=0;int j=-1;while(i<a.length()){ if(j==-1||a[i]==a[j]) {i++... 阅读全文
摘要：
DescriptionA rooted tree is a well-known data structure in computer science and engineering. An example is shown below:In the figure, each node is lab... 阅读全文