View Compilation Error

0_0_25455260_21446.cpp: In function 'long long int query(int, int, int, int, int)':
0_0_25455260_21446.cpp:68:5: error: expected ';' before 'maxflag'
     maxflag[rt] = max(maxflag[rt << 1], maxflag[rt << 1 | 1]);
     ^