Compilare: main.cpp: In function 'void cobai(int, int, int)': main.cpp:45:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | if(p == s.size() - 1 && !dp[x][y]){ | ~~^~~~~~~~~~~~~~~ main.cpp:67:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | if(p < s.size() - 1 && s[p + 1] == d[i]) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int xn(int)': main.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type] 33 | } | ^ main.cpp: In function 'int yn(int)': main.cpp:41:1: warning: control reaches end of non-void function [-Wreturn-type] 41 | } | ^