Compilare: main.cpp:12:32: warning: built-in function 'pow' declared as non-function [-Wbuiltin-declaration-mismatch] 12 | int K, hash1[LIM], hash2[LIM], pow[LIM]; | ^~~ main.cpp: In function 'int main()': main.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int i = 1; i < str1.size(); ++i) { | ~~^~~~~~~~~~~~~ main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for (int i = 1; i < str2.size(); ++i) | ~~^~~~~~~~~~~~~ main.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i = 0; i < str2.size() - str1.size() + 1; ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | while (idx1 < str1.size() && idx2 < str2.size() && cnt <= K) { | ~~~~~^~~~~~~~~~~~~ main.cpp:39:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | while (idx1 < str1.size() && idx2 < str2.size() && cnt <= K) { | ~~~~~^~~~~~~~~~~~~ main.cpp:52:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if (idx1 == str1.size() + 1) break; | ~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:56:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | if (cnt <= K && idx1 >= str1.size()) | ~~~~~^~~~~~~~~~~~~~