/in/foo.c: In function 'main':
/in/foo.c:29:15: error: invalid suffix "；i" on integer constant
   29 |         for(i=0；i<m+n;i++)
      |               ^~~~
/in/foo.c:29:27: error: expected ';' before ')' token
   29 |         for(i=0；i<m+n;i++)
      |                           ^
      |                           ;
/in/foo.c:5:21: warning: unused variable 't' [-Wunused-variable]
    5 |   int a[50],m,n,i,j,t;
      |                     ^