Compilare: main.cpp: In function 'int main()': main.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(; i<x.size() && ok; i++) | ~^~~~~~~~~ main.cpp:60:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(; i<x.size() && okx; i++) | ~^~~~~~~~~ main.cpp:63:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 63 | if(s=="emptum" && tigri+nrx*sgnx<0 || s=="vendere" && tigri-nrx*sgnx<0) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:81:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(; i<y.size() && oky; i++) | ~^~~~~~~~~ main.cpp:84:36: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 84 | if(s=="emptum" && cont-nrx*nry*sgnx*sgny<0 || s=="vendere" && cont+nrx*nry*sgnx*sgny<0) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~