Compilare: user.cpp: In function ‘void citire(int&, int&)’: user.cpp:18:30: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[20]’ [-Wformat=] scanf("%d%d%s",&ind,&n,&b); ^ user.cpp:21:28: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[7]’ [-Wformat=] scanf("%s",&a[i].ch); ^ user.cpp:18:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%s",&ind,&n,&b); ^ user.cpp:21:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&a[i].ch); ^ user.cpp: In function ‘int main()’: user.cpp:71:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.in","r",stdin); ^ user.cpp:72:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out","w",stdout); ^