0_0_33990221_26658.cpp: In function 'void build(int, int, int)':
0_0_33990221_26658.cpp:48:14: error: 'lson' was not declared in this scope
build(l,mid,lson);
^
0_0_33990221_26658.cpp:50:21: error: 'rson' was not declared in this scope
tr[rt]=tr[lson]+tr[rson];
^
0_0_33990221_26658.cpp: In function 'void pushdown(int)':
0_0_33990221_26658.cpp:53:5: error: 'lson' was not declared in this scope
tr[lson].Max(tr[rt].mi);
^
0_0_33990221_26658.cpp:54:5: error: 'rson' was not declared in this scope
tr[rson].Max(tr[rt].mi);
^
0_0_33990221_26658.cpp: In function 'void update(int, int, int, int, int, int)':
0_0_33990221_26658.cpp:65:21: error: 'lson' was not declared in this scope
update(C,L,R,l,mid,lson);
^
0_0_33990221_26658.cpp:66:23: error: 'rson' was not declared in this scope
update(C,L,R,mid+1,r,rson);
^
0_0_33990221_26658.cpp: In function 'll query(int, int, int, int, int)':
0_0_33990221_26658.cpp:76:25: error: 'lson' was not declared in this scope
ll res=query(L,R,l,mid,lson)+query(L,R,mid+1,r,rson);
^
0_0_33990221_26658.cpp:76:49: error: 'rson' was not declared in this scope
ll res=query(L,R,l,mid,lson)+query(L,R,mid+1,r,rson);
^
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