Compilare: main.cpp: In function 'int minim(int, int)': main.cpp:26:14: 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();i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:85:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for(i=0;i<b.size();i++) | ~^~~~~~~~~ main.cpp:89:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(i=0;i<a.size();i++) | ~^~~~~~~~~ main.cpp:117:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 117 | for(i=0;i<b.size();i++) | ~^~~~~~~~~ main.cpp:148:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for(i=0;i<a.size();i++) | ~^~~~~~~~~