Main.cc:34:1: error: stray ‘\343’ in program
   34 | 、
      | ^
Main.cc:34:2: error: stray ‘\200’ in program
   34 | 、
      |  ^
Main.cc:34:3: error: stray ‘\201’ in program
   34 | 、
      |   ^
Main.cc: In function ‘int main()’:
Main.cc:11:12: warning: unused variable ‘ymin’ [-Wunused-variable]
   11 |  long long ymin,ymax,xmin;
      |            ^~~~
Main.cc:11:22: warning: unused variable ‘xmin’ [-Wunused-variable]
   11 |  long long ymin,ymax,xmin;
      |                      ^~~~
Main.cc:7:6: warning: unused variable ‘cnt’ [-Wunused-variable]
    7 |  int cnt=0;
      |      ^~~