Compilare: user.cpp: In function ‘void Dijk(TYPE)’: user.cpp:45:18: warning: unused variable ‘current_dragon’ [-Wunused-variable] int new_dist,current_dragon; ^ user.cpp: In function ‘void ReadFile()’: user.cpp:124:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&p,&n,&m); ^ user.cpp:128:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&dragon[i].v); ^ user.cpp:135:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&pos1,&pos2,&dist); ^ user.cpp: In function ‘int main()’: user.cpp:171:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dragoni.in","r",stdin); ^ user.cpp:172:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dragoni.out","w",stdout); ^