Compilare: main.cpp: In function 'int main()': main.cpp:53:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i=0;i<s[pt].size();++i) | ~^~~~~~~~~~~~~ main.cpp:57:50: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 57 | if(price<l[pct] || price==l[pct] && ll[pt]<ll[pct]) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~