0_0_37854707_6364.cpp: In function 'int query(int, int, int, int, int)':
0_0_37854707_6364.cpp:23:11: error: 'rt' was not declared in this scope
if(sm[rt]-sm[pre]==0)return 1e9;
^
0_0_37854707_6364.cpp:23:18: error: 'pre' was not declared in this scope
if(sm[rt]-sm[pre]==0)return 1e9;
^
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