Compilare: user.cpp: In function ‘int main()’: user.cpp:76:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( f, "%d%d", &N, &Q ); ^ user.cpp:79:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( f, "%d", &v[i] ); ^ user.cpp:82:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( f, "%d%d", &x, &y ); ^ user.cpp:91:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( f, "%d", &x ); ^ user.cpp: In function ‘void Solve(int, int)’: user.cpp:61:39: warning: ‘bestSon’ may be used uninitialized in this function [-Wmaybe-uninitialized] Depth[*it] = Depth[bestSon] + v[*it]; ^