answer.code:91:2: error: stray ‘#’ in program
   91 | }#include<bits/stdc++.h>
      |  ^
answer.code:91:3: error: ‘include’ does not name a type
   91 | }#include<bits/stdc++.h>
      |   ^~~~~~~
answer.code:94:11: error: redefinition of ‘const long long int N’
   94 | const int N=5e5+5;
      |           ^
answer.code:4:11: note: ‘const long long int N’ previously defined here
    4 | const int N=5e5+5;
      |           ^
answer.code:95:5: error: redefinition of ‘long long int n’
   95 | int n,m;
      |     ^
answer.code:5:5: note: ‘long long int n’ previously declared here
    5 | int n,m;
      |     ^
answer.code:95:7: error: redefinition of ‘long long int m’
   95 | int n,m;
      |       ^
answer.code:5:7: note: ‘long long int m’ previously declared here
    5 | int n,m;
      |       ^
answer.code:96:8: error: redefinition of ‘struct no’
   96 | struct no{
      |        ^~
answer.code:6:8: note: previous definition of ‘struct no’
    6 | struct no{
      |        ^~
answer.code:98:2: error: conflicting declaration ‘int a [500005]’
   98 | }a[N];
      |  ^
answer.code:8:2: note: previous declaration as ‘no a [500005]’
    8 | }a[N];
      |  ^
answer.code:99:5: error: redefinition of ‘long long int tot’
   99 | int tot;
      |     ^~~
answer.code:9:5: note: ‘long long int tot’ previously declared here
    9 | int tot;
      |     ^~~
answer.code:100:5: error: redefinition of ‘long long int tr [500005][2]’
  100 | int tr[N][2],fail[N];
      |     ^~
answer.code:10:5: note: ‘long long int tr [500005][2]’ previously declared here
   10 | int tr[N][2],fail[N];
      |     ^~
answer.code:100:14: error: redefinition of ‘long long int fail [500005]’
  100 | int tr[N][2],fail[N];
      |              ^~~~
answer.code:10:14: note: ‘long long int fail [500005]’ previously declared here
   10 | int tr[N][2],fail[N];
      |              ^~~~
answer.code:101:5: error: redefinition of ‘long long int f [500005][2][30]’
  101 | int f[N][2][30],g[N][2][30];
      |     ^
answer.code:11:5: note: ‘long long int f [500005][2][30]’ previously declared here
   11 | int f[N][2][30],g[N][2][30];
      |     ^
answer.code:101:17: error: redefinition of ‘long long int g [500005][2][30]’
  101 | int f[N][2][30],g[N][2][30];
      |                 ^
answer.code:11:17: note: ‘long long int g [500005][2][30]’ previously declared here
   11 | int f[N][2][30],g[N][2][30];
      |                 ^
answer.code:102:5: error: redefinition of ‘long long int h [500005]’
  102 | int h[N];
      |     ^
answer.code:12:5: note: ‘long long int h [500005]’ previously declared here
   12 | int h[N];
      |     ^
answer.code:103:13: error: redefinition of ‘std::vector<long long int> e [500005]’
  103 | vector<int> e[N];
      |             ^
answer.code:13:13: note: ‘std::vector<long long int> e [500005]’ previously declared here
   13 | vector<int> e[N];
      |             ^
answer.code:104:5: error: redefinition of ‘long long int insert(const std::string&)’
  104 | int insert(const string &s){
      |     ^~~~~~
answer.code:14:5: note: ‘long long int insert(const std::string&)’ previously defined here
   14 | int insert(const string &s){
      |     ^~~~~~
answer.code:113:6: error: redefinition of ‘void build_fail()’
  113 | void build_fail(){
      |      ^~~~~~~~~~
answer.code:23:6: note: ‘void build_fail()’ previously defined here
   23 | void build_fail(){
      |      ^~~~~~~~~~
answer.code:125:6: error: redefinition of ‘void build()’
  125 | void build(){
      |      ^~~~~
answer.code:35:6: note: ‘void build()’ previously defined here
   35 | void build(){
      |      ^~~~~
answer.code:137:5: error: redefinition of ‘long long int add(long long int, long long int, long long int)’
  137 | int add(int u,int l,int r){
      |     ^~~
answer.code:47:5: note: ‘long long int add(long long int, long long int, long long int)’ previously defined here
   47 | int add(int u,int l,int r){
      |     ^~~
answer.code:150:6: error: redefinition of ‘void solve()’
  150 | void solve(){
      |      ^~~~~
answer.code:60:6: note: ‘void solve()’ previously defined here
   60 | void solve(){
      |      ^~~~~
answer.code:162:6: error: redefinition of ‘void dfs(long long int)’
  162 | void dfs(int u){
      |      ^~~
answer.code:72:6: note: ‘void dfs(long long int)’ previously defined here
   72 | void dfs(int u){
      |      ^~~
answer.code:165:5: error: redefinition of ‘long long int to [500005]’
  165 | int to[N];
      |     ^~
answer.code:75:5: note: ‘long long int to [500005]’ previously declared here
   75 | int to[N];
      |     ^~
answer.code:166:8: error: redefinition of ‘int main()’
  166 | signed main(){
      |        ^~~~
answer.code:76:8: note: ‘int main()’ previously defined here
   76 | signed main(){
      |        ^~~~