Compilare: user.cpp: In function ‘void Update(int, int)’: user.cpp:81:17: warning: statement has no effect [-Wunused-value] for(left; left <= min (right,dr[cbuc]); left++) ^ user.cpp:104:17: warning: statement has no effect [-Wunused-value] for(left; left <= right; left++) ^ user.cpp:76:9: warning: unused variable ‘sum’ [-Wunused-variable] int sum = 0; ^ user.cpp:77:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,cbuc,x; ^ user.cpp:77:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,cbuc,x; ^ user.cpp:77:18: warning: unused variable ‘x’ [-Wunused-variable] int i,j,cbuc,x; ^ user.cpp: In function ‘int Query(int, int)’: user.cpp:120:17: warning: statement has no effect [-Wunused-value] for(left; left <= min (right,dr[cbuc]); left++) ^ user.cpp:137:13: warning: statement has no effect [-Wunused-value] for(left; left <= right; left++) ^ user.cpp:116:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,cbuc,x; ^ user.cpp:116:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,cbuc,x; ^