Compilare: main.cpp: In function 'int main()': main.cpp:18:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for( i = 0; i < a.size(); i++ ){ | ~~^~~~~~~~~~ main.cpp:23:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for( i = 1; i <= b.size() - a.size(); i++ ) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:26:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for( i = 0; i <= b.size() - a.size(); i++ ) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:30:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for( i = 0; i <= b.size() - a.size(); i++ ) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:30:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 30 | for( i = 0; i <= b.size() - a.size(); i++ ) | ^~~ main.cpp:33:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 33 | return 0; | ^~~~~~