Compilare: main.cpp: In function 'int main()': main.cpp:11:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i = 0, pos = 2; i < s.size(); i ++, pos ++) { | ~~^~~~~~~~~~ main.cpp:13:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int j = i + pos; j < s.size(); j += pos) { | ~~^~~~~~~~~~ main.cpp:19:36: 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 = i + pos; j < s.size(); j += pos) | ~~^~~~~~~~~~ main.cpp:31:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i = 0; i < s.size(); i ++) | ~~^~~~~~~~~~ main.cpp:31:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 31 | for(int i = 0; i < s.size(); i ++) | ^~~ main.cpp:33:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 33 | fout << count << '\n'; | ^~~~