Compilare: user.cpp: In function ‘int main()’: user.cpp:16:20: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘int’ [-Wformat=] in("%d",dmg); ^ user.cpp:11:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fr("bleach.in","r",stdin); ^ user.cpp:12:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fr("bleach.out","w",stdout); ^ user.cpp:13:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] in("%d %d",&n,&k); ^ user.cpp:16:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] in("%d",dmg); ^ user.cpp:16:21: warning: ‘dmg’ may be used uninitialized in this function [-Wmaybe-uninitialized]