Compilare: main.cpp: In function 'int optimal()': main.cpp:21:16: warning: overflow in implicit constant conversion [-Woverflow] int l=1, r=10e9; ^~~~ main.cpp: In function 'int32_t main()': main.cpp:73:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g.size(); i++){ ~^~~~~~~~~ main.cpp:80:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<fn.size(); i++){ ~^~~~~~~~~~