Eroare de compilare: user.cpp: In function ‘void Dijkstra(int**, int, int)’: user.cpp:131:41: error: ‘_strdup’ was not declared in this scope char* filename = _strdup("dijkstra.out"); ^ user.cpp: In function ‘int main()’: user.cpp:142:40: error: ‘_strdup’ was not declared in this scope char* filename = _strdup("dijkstra.in"); ^ user.cpp: In function ‘int** citireMatrice(char*, int&)’: user.cpp:37:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &colls, &o); ^ user.cpp:52:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &a, &b, &c); ^