Compilare: user.cpp: In function ‘int main()’: user.cpp:9:26: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%li %li",&t,&r); ^ user.cpp:9:26: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 3 has type ‘int*’ [-Wformat=] user.cpp:12:23: warning: format ‘%li’ expects argument of type ‘long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%li",&z); ^ user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("melodii.in","r",stdin); ^ user.cpp:8:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("melodii.out","w",stdout); ^ user.cpp:9:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%li %li",&t,&r); ^ user.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%li",&z); ^