View Compilation Error

0_0_36460449_32195.cpp:25:5: error: stray '\243' in program
     if(sum[mid]-sum[i-1]<k)｛
     ^
0_0_36460449_32195.cpp:25:5: error: stray '\373' in program
0_0_36460449_32195.cpp: In function 'int main()':
0_0_36460449_32195.cpp:17:7: error: 'i' was not declared in this scope
   sum[i]=sum[i-1]+a[i];
       ^
0_0_36460449_32195.cpp:19:16: error: expected primary-expression before '=' token
  for(int i=1;i,=n;i++){
                ^
0_0_36460449_32195.cpp:21:3: error: 'r' was not declared in this scope
   r=n;
   ^
0_0_36460449_32195.cpp:28:10: error: 'mid' was not declared in this scope
   else r=mid;
          ^