Compilare: user.cpp: In function ‘void Euler(int, int)’: user.cpp:22:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Graph[node].size();i++) ^ user.cpp: In function ‘void Make_RMQ()’: user.cpp:34:14: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] if(j>(1<<i-1)&&Lvl[RMQ[i][j]]>Lvl[RMQ[i-1][j-(1<<(i-1))]]) ^ user.cpp: In function ‘int main()’: user.cpp:59:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&N); ^ user.cpp:63:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d",&X,&Y); ^ user.cpp:70:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&M); ^ user.cpp:73:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d",&X,&Y); ^