View Compilation Error

0_0_14922497_14674.cpp:20:6: error: stray '\243' in program
      x=n； 
      ^
0_0_14922497_14674.cpp:20:6: error: stray '\273' in program
0_0_14922497_14674.cpp: In function 'int main()':
0_0_14922497_14674.cpp:21:6: error: expected ';' before 'for'
      for(;x>=i;x--){
      ^
0_0_14922497_14674.cpp:21:19: error: expected ';' before ')' token
      for(;x>=i;x--){
                   ^