全都是秋实大哥

Posted 2021-01-09 jaydenouyang

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("
");
48         for(int i = 1;i <= tmp;i++){
49             printf("%c", s[i]);
50         }
51         printf("
");
52 
53     return 0;
54 }