View Compilation Error

0_0_18610401_28338.c: In function 'main':
0_0_18610401_28338.c:12:3: error: stray '\243' in program
   s==sqrt（n）;
   ^
0_0_18610401_28338.c:12:3: error: stray '\250' in program
0_0_18610401_28338.c:12:4: error: invalid operands to binary == (have 'double' and 'double (*)(double)')
   s==sqrt（n）;
    ^
0_0_18610401_28338.c:12:12: error: expected ';' before 'n'
   s==sqrt（n）;
            ^
0_0_18610401_28338.c:12:12: error: stray '\243' in program
0_0_18610401_28338.c:12:12: error: stray '\251' in program