Compilare: main.cpp: In function 'void CreateRMQ()': main.cpp:39:24: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] for(j=1;j+(1<<i-1)<=N+1;++j) ~^~ main.cpp:41:45: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] A=RMQ[i-1][j],B=RMQ[i-1][j+(1<<i-1)]; ~^~ main.cpp: In function 'void Read()': main.cpp:47:13: warning: unused variable 'Y' [-Wunused-variable] int i,X,Y; ^ main.cpp: In function 'void Solve()': main.cpp:60:15: warning: unused variable 'B' [-Wunused-variable] int X,Y,A,B,Sol; ^ main.cpp: In function 'void Read()': main.cpp:48:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&N,&M); ^ main.cpp:51:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&X); ^ main.cpp: In function 'void Solve()': main.cpp:64:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&X,&Y); ^