Compilare: main.cpp:3: warning: ignoring '#pragma optimze GCC' [-Wunknown-pragmas] 3 | #pragma optimze GCC ("Ofast") | main.cpp: In function 'int main()': main.cpp:48:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (int j = 0; j < s.size(); ++j, p = 1ll * p * 31 % MOD) | ~~^~~~~~~~~~ main.cpp:55:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int j = 0; j < s.size(); ++j) | ~~^~~~~~~~~~ main.cpp:56:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int k = j; k < s.size(); ++k) | ~~^~~~~~~~~~ main.cpp:72:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int j = 0; j < s.size(); ++j, p = 1ll * p * 31 % MOD) | ~~^~~~~~~~~~ main.cpp:78:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (int j = 0; j < s.size(); ++j) | ~~^~~~~~~~~~ main.cpp:79:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int k = j; k < s.size(); ++k) | ~~^~~~~~~~~~