Compilare: user.cpp: In function ‘int main()’: user.cpp:61:37: warning: unused variable ‘i’ [-Wunused-variable] long long t,q,temp,l1,l2,m,elem,i,j; ^ user.cpp:61:39: warning: unused variable ‘j’ [-Wunused-variable] long long t,q,temp,l1,l2,m,elem,i,j; ^ user.cpp:59:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("provocare.in","r",stdin); ^ user.cpp:60:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("provocare.out","w",stdout); ^ user.cpp:62:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&t); ^ user.cpp:64:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld",&n,&a,&b); ^