Compilare: main.cpp: In function 'bool verif(int, int)': main.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int k=0; k<=s[j].size()-s[i].size(); k++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for (j=0; j<s[i].size(); j++) | ~^~~~~~~~~~~~ main.cpp:143:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | if (dp[mask][bit1].len>dp[mask-(1<<bit1)][bit2].len+s[bit1+1].size()-l[bit2+1][bit1+1]) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:149:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | if (dp[mask][bit2].len>dp[mask-(1<<bit2)][bit1].len+s[bit2+1].size()-l[bit1+1][bit2+1]) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:188:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 188 | for (i=1; i<sol.size(); i++) | ~^~~~~~~~~~~ main.cpp:191:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 191 | for (j=val; j<s[sol[i]].size(); j++) | ~^~~~~~~~~~~~~~~~~