Compilare: main.cpp: In function 'int main()': main.cpp:17:28: warning: variable 'ok1' set but not used [-Wunused-but-set-variable] int smax=-2000000,ok=0,ok1=0,a,b; ^~~ main.cpp:17:36: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] int smax=-2000000,ok=0,ok1=0,a,b; ^ main.cpp:17:34: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] int smax=-2000000,ok=0,ok1=0,a,b; ^ main.cpp:56:27: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] profc+=(v[i]>=pret?pret:0)-c; ~~~~~~~~~~~^~~~~~~~