Compilare: user.cpp: In function ‘int main()’: user.cpp:20:23: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[j]<v[j-1]&&v[j-1]>v[j-2]||v[j]>v[j-1]&&v[j-1]<v[j-2]) ^ user.cpp:9:23: warning: unused variable ‘o’ [-Wunused-variable] int i,p,n=0,cnt=0,o=0,ma=0,flag=0,j; ^ user.cpp:9:32: warning: unused variable ‘flag’ [-Wunused-variable] int i,p,n=0,cnt=0,o=0,ma=0,flag=0,j; ^ user.cpp:10:10: warning: unused variable ‘c’ [-Wunused-variable] char c,cc; ^ user.cpp:10:12: warning: unused variable ‘cc’ [-Wunused-variable] char c,cc; ^ user.cpp:16:16: warning: array subscript is below array bounds [-Warray-bounds] while(v[i-1]<v[i]&&v[i]) ^