Compilare: user.cpp: In function ‘int main()’: user.cpp:13:23: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%ld",&x); ^ user.cpp:40:26: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%ld",m1*m2*m3); ^ user.cpp:9:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pba.in","r",stdin); ^ user.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:13:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&x); ^ user.cpp:39:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pba.out","w",stdout); ^