题目链接
1 #include <bits/stdc++.h>
2 using namespace std;
3 typedef long long ll;
4
5 inline int read()
6 {
7 int x=0,f=1;char ch=getchar();
8 while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
9 while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
10 return x*f;
11 }
12
13 /********************************************************************/
14
15 const int maxn = 3e6+6;
16 char s[maxn];
17 int Next[maxn];
18
19 int main(){
20
21 //int n; n = read();
22 scanf("%s", s+1);
23 int len = strlen(s+1);
24 Next[1] = 0;
25 int k = 0;
26 for(int i = 2;i <= len;i++){
27 while(k > 0 && s[k+1] != s[i]){
28 k = Next[k];
29 }
30 if(s[k+1] == s[i])
31 k++;
32 Next[i] = k;
33 }
34 int tmp = 0;
35 int f = 1;
36 for(int i = 1;i <= len;i++){
37 if(i%(i-Next[i]) == 0){
38 tmp = (i-Next[i]);
39 }
40 else tmp = 1;
41 if(f){
42 printf("%d", tmp);
43 f = 0;
44 }
45 else printf(" %d", tmp);
46 }
47 printf("\n");
48 for(int i = 1;i <= tmp;i++){
49 printf("%c", s[i]);
50 }
51 printf("\n");
52
53 return 0;
54 }
