Compilare: main.cpp:13:12: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] prv P[MAXN + 5][20]; ^ main.cpp:17:12: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] int C[MAXN + 5][20], Cost[20][20]; ^ main.cpp: In function 'void compute(std::__cxx11::string)': main.cpp:31:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2;i <= cuv.length();++i) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int KMP(std::__cxx11::string, std::__cxx11::string)': main.cpp:44:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1;i <= cuv2.length();++i) ~~^~~~~~~~~~~~~~~~ main.cpp:50:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(q == cuv1.length() - 1) ~~^~~~~~~~~~~~~~~~~~~~