View Compilation Error

0_0_36470303_30038.cpp:9:1: error: stray '\243' in program
 int n, k，s;
 ^
0_0_36470303_30038.cpp:9:1: error: stray '\254' in program
0_0_36470303_30038.cpp:9:11: error: expected initializer before 's'
 int n, k，s;
           ^
0_0_36470303_30038.cpp: In function 'int main()':
0_0_36470303_30038.cpp:22:28: error: 'k' was not declared in this scope
         scanf("%d%d", &n, &k);
                            ^
0_0_36470303_30038.cpp:35:17: error: 'pre' was not declared in this scope
                 pre = a[i] + cc;
                 ^
0_0_36470303_30038.cpp:43:17: error: 'pre' was not declared in this scope
                 pre = a[i] + cc;
                 ^
0_0_36470303_30038.cpp:48:22: error: 'pre' was not declared in this scope
                 cc = pre - a[i] + 1;
                      ^