Compilare: user.cpp: In function ‘int main()’: user.cpp:16:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fibocel.in","r",stdin); ^ user.cpp:17:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fibocel.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("%lld", &nrt); ^ user.cpp:26:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld", &st, &dr); ^ user.cpp:18:52: warning: array subscript is above array bounds [-Warray-bounds] v[1]=v[2]=v[3]=v[5]=v[8]=v[13]=v[21]=v[34]=v[55]=1; ^ user.cpp:18:46: warning: array subscript is above array bounds [-Warray-bounds] v[1]=v[2]=v[3]=v[5]=v[8]=v[13]=v[21]=v[34]=v[55]=1; ^ user.cpp:18:40: warning: array subscript is above array bounds [-Warray-bounds] v[1]=v[2]=v[3]=v[5]=v[8]=v[13]=v[21]=v[34]=v[55]=1; ^