View Compilation Error

0_0_29115616_11870.cpp: In function 'void doit(char*, char*)':
0_0_29115616_11870.cpp:13:42: error: 'min' was not declared in this scope
     int l = min(strlen(str), strlen(strr));
                                          ^
0_0_29115616_11870.cpp:29:35: error: 'max' was not declared in this scope
         ans = max(ans, rr - ll + 1);
                                   ^