Compilare: user.cpp: In function ‘int calc(int, int, int)’: user.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int search(int, int)’: user.cpp:33:12: warning: ‘pmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] return pmin; ^ user.cpp: In function ‘int rec(int, int)’: user.cpp:51:29: warning: ‘pmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] return calc(a,x[c],b); ^