Compilare: user.cpp: In function ‘int main()’: user.cpp:18:112: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] int main(){freopen("damesah.in","r",stdin),freopen("damesah.out","w",stdout),scanf("%d",&n),A(0),printf("%d",m);} ^ user.cpp:18:112: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:112: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]