View Compilation Error

0_0_24697405_26676.cpp: In function 'void manacher()':
0_0_24697405_26676.cpp:20:37: error: expected ']' before ')' token
         while(str[i+p[i]==str[i-p[i])
                                     ^
0_0_24697405_26676.cpp:20:37: error: expected ']' before ')' token