View Compilation Error

0_0_18292483_6479.cpp: In function 'int main()':
0_0_18292483_6479.cpp:54:14: error: expected ';' before '}' token
              }
              ^
0_0_18292483_6479.cpp:74:32: error: expected primary-expression before '%' token
                if ((du[i]+1)/2)%2==1) ans^=a[i];
                                ^