View Compilation Error

0_0_37735805_2479.cpp: In function 'void segtree::mov(int, int)':
0_0_37735805_2479.cpp:52:32: error: 'struct segtree::Node' has no member named 'r'
             tr[u].c11 += tr[u].r - tr[u].l + 1;
                                ^
0_0_37735805_2479.cpp:52:42: error: 'struct segtree::Node' has no member named 'l'
             tr[u].c11 += tr[u].r - tr[u].l + 1;
                                          ^