Compilare: main.cpp: In function 'int cerinta1(int, std::string&)': main.cpp:17:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~ main.cpp:19:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int j = 0; j < k && i + j < s.size(); j++) { | ~~~~~~^~~~~~~~~~ main.cpp: In function 'int cb(std::vector<int>&, int)': main.cpp:30:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | if (ans + pas >= v.size()) { continue; } | ~~~~~~~~~~^~~~~~~~~~~ main.cpp: In function 'int cerinta2(int, std::string&)': main.cpp:43:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for (int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~ main.cpp:45:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for (int j = 0; j < k && i + j < s.size(); j++) { | ~~~~~~^~~~~~~~~~ main.cpp:52:33: warning: comparison of integer expressions of different signedness: 'std::tuple_element<0, std::pair<int, int> >::type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if (len >= stk.size()) { | ~~~~^~~~~~~~~~~~~ In file included from /usr/include/c++/12.2.1/cassert:44, from main.cpp:8: main.cpp:53:44: warning: comparison of integer expressions of different signedness: 'std::tuple_element<0, std::pair<int, int> >::type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | assert(len == stk.size()); | ~~~~^~~~~~~~~~~~~