Compilare: user.cpp: In function ‘int main()’: user.cpp:16:14: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%d",&t); ^ user.cpp:18:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%d%d",&x,&y); ^ user.cpp:18:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] user.cpp: In function ‘void openIOFiles()’: user.cpp:6:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pietre.in","r",stdin); ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pietre.out","w",stdout); ^ user.cpp: In function ‘int main()’: user.cpp:16:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:18:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ user.cpp:15:39: warning: iteration 37u invokes undefined behavior [-Waggressive-loop-optimizations] for (i=3;i<=41;++i) F[i]=F[i-2]+F[i-1]; ^ user.cpp:15:1: note: containing loop for (i=3;i<=41;++i) F[i]=F[i-2]+F[i-1]; ^