View Compilation Error

0_0_25149256_14474.cpp: In function 'void slove(int)':
0_0_25149256_14474.cpp:38:16: error: expected ')' before ']' token
     if (!o[(r/2])
                ^
0_0_25149256_14474.cpp:43:5: error: expected ']' before 'if'
     if (!o[r - 1])
     ^
0_0_25149256_14474.cpp:43:5: error: expected ')' before 'if'
0_0_25149256_14474.cpp:48:1: error: expected primary-expression before '}' token
 }
 ^