Compilare: user.cpp: In function ‘int main()’: user.cpp:54:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dijkstra.in","r",stdin); ^ user.cpp:55:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dijkstra.out","w",stdout); ^ user.cpp:56:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:59:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&c); ^ user.cpp: In function ‘int gaseste_nod(bool*, int*)’: user.cpp:19:12: warning: ‘gasit’ may be used uninitialized in this function [-Wmaybe-uninitialized] return gasit; ^ user.cpp: In function ‘void dijkstra(short int (*)[2005], int)’: user.cpp:44:66: warning: ‘gasit’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(!vizitat[j] && dist[curent] != INT_MAX && a[curent][j] && ^