Compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:27:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it = 0; it < Edges[node].size(); it ++) ^ user.cpp: In function ‘int main()’: user.cpp:61:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("radiatie.in" ,"r", stdin ); ^ user.cpp:62:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("radiatie.out","w", stdout); ^ user.cpp:64:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d", &nrNodes, &nrEdges, &nrQuerys); ^ user.cpp:68:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &InitialEdges[i].node1); ^ user.cpp:69:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &InitialEdges[i].node2); ^ user.cpp:70:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &InitialEdges[i].cost ); ^ user.cpp:104:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d", &X, &Y); ^