Compilare: user.cpp: In function ‘int main()’: user.cpp:35:22: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=] printf("%ld",sola); ^ user.cpp:32:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,lim=1<<n; ^ user.cpp:32:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,lim=1<<n; ^ user.cpp:32:13: warning: unused variable ‘lim’ [-Wunused-variable] int i,j,lim=1<<n; ^ user.cpp:28:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("monezi.in","r",stdin); ^ user.cpp:29:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("monezi.out","w",stdout); ^ user.cpp:30:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&s); ^ user.cpp:33:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(k=1;k<=n;++k) scanf("%d",&v[k]); ^