Compilare: user.cpp: In function ‘int main()’: user.cpp:24:33: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘int (*)[8001]’ [-Wformat=] scanf("%d%d",&v[i].c,&v[i].d); ^ user.cpp:24:33: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int (*)[8001]’ [-Wformat=] user.cpp:19:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("reactivi.in","r",stdin); ^ user.cpp:20:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("reactivi.out","w",stdout); ^ user.cpp:22:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:24:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].c,&v[i].d); ^