Compilare: user.c:19:6: warning: conflicting types for built-in function ‘exp’ [enabled by default] void exp(long long a[3][3],int b) ^ user.c: In function ‘main’: user.c:44:13: warning: unused variable ‘j’ [-Wunused-variable] int k,i,j,x,y,z,a,b,c,n,t; ^ user.c:44:11: warning: unused variable ‘i’ [-Wunused-variable] int k,i,j,x,y,z,a,b,c,n,t; ^ user.c:45:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("iepuri.in","r",stdin); ^ user.c:46:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("iepuri.out","w",stdout); ^ user.c:47:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.c:50:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d%d",&x,&y,&z,&a,&b,&c,&n); ^ user.c:51:75: warning: array subscript is above array bounds [-Warray-bounds] rez[0][0]=rez[0][1]=rez[0][2]=rez[1][0],rez[1][1]=rez[1][2]=rez[1][3]=0; ^