View Compilation Error

0_0_25163168_16891.c: In function 'main':
0_0_25163168_16891.c:7:3: error: stray '\243' in program
   int sum = 0, ave = 0, diff = 0，i;
   ^
0_0_25163168_16891.c:7:3: error: stray '\254' in program
0_0_25163168_16891.c:7:35: error: expected ',' or ';' before 'i'
   int sum = 0, ave = 0, diff = 0，i;
                                   ^
0_0_25163168_16891.c:8:8: error: 'i' undeclared (first use in this function)
   for( i = 0; i< n ; i++){
        ^
0_0_25163168_16891.c:8:8: note: each undeclared identifier is reported only once for each function it appears in