View Compilation Error

0_0_26623966_3606.cpp:11:2: error: stray '\243' in program
  i++； 
  ^
0_0_26623966_3606.cpp:11:2: error: stray '\273' in program
0_0_26623966_3606.cpp: In function 'int main()':
0_0_26623966_3606.cpp:12:2: error: expected ';' before 's'
  s+=i;
  ^
0_0_26623966_3606.cpp:14:16: error: 'sum' was not declared in this scope
  printf("%d\n",sum);
                ^