Compilare: main.cpp: In function 'void p1()': main.cpp:13:9: warning: unused variable 'st' [-Wunused-variable] int st = 1, dr = minim; ^~ main.cpp:13:17: warning: unused variable 'dr' [-Wunused-variable] int st = 1, dr = minim; ^~ main.cpp: In function 'void p2()': main.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); ++i) ~~^~~~~~~~~~