0_0_14944941_6021.cpp: In function 'int queryPre(int, int, int, int, int)':
0_0_14944941_6021.cpp:87:30: error: 'id' was not declared in this scope
if (b < l || r < a || qt[id][0] == qh[id][0]) return 0;
^
0_0_14944941_6021.cpp: In function 'int querySuf(int, int, int, int, int)':
0_0_14944941_6021.cpp:107:30: error: 'id' was not declared in this scope
if (b < l || r < a || qt[id][1] == qh[id][1]) return 0;
^
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