Compilare: user.cpp: In function 'int kmp(int, int)': user.cpp:23: warning: unused variable 'max' user.cpp: In function 'int main()': user.cpp:55: warning: comparison between signed and unsigned integer expressions user.cpp:10: warning: 'k' may be used uninitialized in this function user.cpp:10: note: 'k' was declared here user.cpp:10: warning: 'k' may be used uninitialized in this function user.cpp:10: note: 'k' was declared here