Compilare: main.cpp: In function 'int permuta(int (*)[16], int*, int, int)': main.cpp:11:9: warning: variable 's2' set but not used [-Wunused-but-set-variable] int s2=0,s1=0,S=0; ^~ main.cpp: In function 'int main()': main.cpp:46:21: warning: variable 'q' set but not used [-Wunused-but-set-variable] int n,m,max=0,s,q=1,i,j,b[16][16],a[16][16]; ^