View Compilation Error

0_0_30735343_8067.cpp: In function 'void Solve()':
0_0_30735343_8067.cpp:65:67: error: expected primary-expression before '%' token
             sum += calc(radius[i], radius[j]) * (1 - (i ^ j) * 2);%
                                                                   ^
0_0_30735343_8067.cpp:65:67: error: expected primary-expression at end of input
0_0_30735343_8067.cpp:65:67: error: expected '}' at end of input
0_0_30735343_8067.cpp:65:67: error: expected '}' at end of input