Compilare: user.cpp: In function ‘int main()’: user.cpp:115:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d%d",&N,&K); ^ user.cpp:119:26: 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: In function ‘void DownHeap(int)’: user.cpp:96:20: warning: ‘drc’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ( stc > drc && drc < cost[ Heap[ nod ] ]){ ^ user.cpp: In function ‘int main()’: user.cpp:149:11: warning: ‘who’ may be used uninitialized in this function [-Wmaybe-uninitialized] grad[who]--; ^