Compilare: user.cpp: In function ‘int main()’: user.cpp:19:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long unsigned int*’ [-Wformat=] scanf("%d%d",&a,&b); ^ user.cpp:19:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long unsigned int*’ [-Wformat=] user.cpp:20:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=a;i<=b;i++) ^ user.cpp:31:34: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=] printf("%d %d %d",minn,div,nr); ^ user.cpp:15:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxd.in","r",stdin); ^ user.cpp:16:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxd.out","w",stdout); ^ user.cpp:19:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^