Compilare: user.cpp: In function ‘void prelucrare(int, int)’: user.cpp:16:6: warning: unused variable ‘q’ [-Wunused-variable] int q=0; ^ user.cpp: In function ‘void bkt(int, int)’: user.cpp:87:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i][++a[i][0]]=p; ^ user.cpp:92:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[m][++a[m][0]] = p; ^ user.cpp: In function ‘int main()’: user.cpp:99:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("copii.in","r",stdin); ^ user.cpp:100:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("copii.out","w",stdout); ^ user.cpp:101:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); ^ user.cpp:111:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",1 + mat[i]); ^