View Compilation Error

0_0_30332386_18677.cpp: In function 'int main()':
0_0_30332386_18677.cpp:63:45: error: 'id' was not declared in this scope
                 if((x-b[i].r)%2==1&& b[i].r>id && i+1<=cnt && b[i+1].l>b[i].r)
                                             ^
0_0_30332386_18677.cpp:70:46: error: 'id' was not declared in this scope
                 if((b[i].l-x)%2==1 && b[i].l<id && i+1<=cnt && b[i+1].r<b[i].l)
                                              ^