Compilare: user.cpp: In function ‘void bt(int)’: user.cpp:29:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol+=comb[n-p][k]; ^ user.cpp: In function ‘int main()’: user.cpp:50:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘char*’ [-Wformat=] scanf("%d %d %d\n", &n, &m, &k); ^ user.cpp:50:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] user.cpp:50:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘char*’ [-Wformat=]