Compilare: user.cpp: In function ‘int main()’: user.cpp:41:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k][l][c]=a[coada[ic].k][coada[ic].l][coada[ic].c]+1; ^ user.cpp:41:54: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k][l][c]=a[coada[ic].k][coada[ic].l][coada[ic].c]+1; ^ user.cpp:41:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k][l][c]=a[coada[ic].k][coada[ic].l][coada[ic].c]+1; ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("traseu3.in","r",stdin); ^ user.cpp:16:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("traseu3.out","w",stdout); ^ user.cpp:18:60: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d%d%d",&n,&m,&k1,&l1,&c1,&k2,&l2,&c2); ^ user.cpp:21:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&z); ^