/in/foo.cc:59:2: error: stray '#' in program
 }#include<bits/stdc++.h>
  ^
/in/foo.cc:59:3: error: 'include' does not name a type
 }#include<bits/stdc++.h>
   ^~~~~~~
/in/foo.cc:61:11: error: redefinition of 'const int maxn'
 const int maxn=100000+7;
           ^~~~
/in/foo.cc:3:11: note: 'const int maxn' previously defined here
 const int maxn=100000+7;
           ^~~~
/in/foo.cc:62:12: error: redefinition of 'std::queue<int> que'
 queue<int> que;
            ^~~
/in/foo.cc:4:12: note: 'std::queue<int> que' previously declared here
 queue<int> que;
            ^~~
/in/foo.cc:63:16: error: redefinition of 'int tree [200014]'
 int tree[2*maxn];
                ^
/in/foo.cc:5:5: note: 'int tree [200014]' previously declared here
 int tree[2*maxn];
     ^~~~
/in/foo.cc: In function 'int lowbit(int)':
/in/foo.cc:64:5: error: redefinition of 'int lowbit(int)'
 int lowbit(int x){
     ^~~~~~
/in/foo.cc:6:5: note: 'int lowbit(int)' previously defined here
 int lowbit(int x){
     ^~~~~~
/in/foo.cc: In function 'int check(int)':
/in/foo.cc:67:5: error: redefinition of 'int check(int)'
 int check(int p){
     ^~~~~
/in/foo.cc:9:5: note: 'int check(int)' previously defined here
 int check(int p){
     ^~~~~
/in/foo.cc: In function 'void modify(int, int)':
/in/foo.cc:75:6: error: redefinition of 'void modify(int, int)'
 void modify(int p,int del){
      ^~~~~~
/in/foo.cc:17:6: note: 'void modify(int, int)' previously defined here
 void modify(int p,int del){
      ^~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:81:5: error: redefinition of 'int main()'
 int main(){
     ^~~~
/in/foo.cc:23:5: note: 'int main()' previously defined here
 int main(){
     ^~~~