/in/foo.cc:4:17: error: stray '\342' in program
 void initial(){ ……}
                 ^
/in/foo.cc:4:18: error: stray '\200' in program
 void initial(){ ……}
                  ^
/in/foo.cc:4:19: error: stray '\246' in program
 void initial(){ ……}
                   ^
/in/foo.cc:4:20: error: stray '\342' in program
 void initial(){ ……}
                    ^
/in/foo.cc:4:21: error: stray '\200' in program
 void initial(){ ……}
                     ^
/in/foo.cc:4:22: error: stray '\246' in program
 void initial(){ ……}
                      ^
/in/foo.cc: In function 'void pushup(int)':
/in/foo.cc:5:63: error: 'min' was not declared in this scope
 void pushup(int now){minv[now]=min(minv[lc[now]],minv[rc[now]]);}
                                                               ^
/in/foo.cc: In function 'void Update(int, int&, int, int, int, int)':
/in/foo.cc:15:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m=L+R>>1;
        ~^~
/in/foo.cc: In function 'int Qmin(int, int, int, int, int)':
/in/foo.cc:21:18: error: 'inf' was not declared in this scope
  if(!now) return inf;
                  ^~~
/in/foo.cc:23:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m=L+R>>1;
        ~^~
/in/foo.cc:26:64: error: 'min' was not declared in this scope
  else return min(Qmin(lc[now],L,m,i,j), Qmin(rc[now],m+1,R,i,j));
                                                                ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:29:23: error: 'scanf' was not declared in this scope
     scanf("%d%d",&n,&m);
                       ^
/in/foo.cc:32:25: error: 'v' was not declared in this scope
             scanf("%d",&v);
                         ^
/in/foo.cc:45:48: error: 'printf' was not declared in this scope
            printf("%d\n", Qmin(root[t],1,n,i,j));
                                                ^