Compilare: main.cpp: In function 'int main()': main.cpp:31:29: warning: unused variable 'x' [-Wunused-variable] int n, k, maxim=-30001, x=0, y=k-1, xf=0, yf=0; ^ main.cpp:31:34: warning: unused variable 'y' [-Wunused-variable] int n, k, maxim=-30001, x=0, y=k-1, xf=0, yf=0; ^ main.cpp:31:37: warning: 'k' is used uninitialized in this function [-Wuninitialized] int n, k, maxim=-30001, x=0, y=k-1, xf=0, yf=0; ~^~