View Compilation Error

0_0_17308216_30212.cpp: In function 'int Manacher()':
0_0_17308216_30212.cpp:5:23: error: 's' was not declared in this scope
     int len = strlen (s);
                       ^
0_0_17308216_30212.cpp:10:17: error: 'p' was not declared in this scope
     int id = 0; p[0] = 1;
                 ^
0_0_17308216_30212.cpp:12:66: error: 'min' was not declared in this scope
         if (id + p[id] > i) p[i] = min (p[2*id-i], id + p[id] - i);
                                                                  ^