View Compilation Error

0_0_34097414_16571.cpp: In function 'int main()':
0_0_34097414_16571.cpp:33:108: error: expected ')' before ':' token
   for (i=1;i<n;i++) {x11=x[i][0];y11=y[i][0];x12=x[i][1];y12=y[i][1];dx1=x12-x11;dy1=y12-y11;m=(n<=1000)?(n:n-(n-i>>1));for (j=i+1;j<=m;j++)
                                                                                                            ^
0_0_34097414_16571.cpp:33:120: error: expected ':' before ';' token
   for (i=1;i<n;i++) {x11=x[i][0];y11=y[i][0];x12=x[i][1];y12=y[i][1];dx1=x12-x11;dy1=y12-y11;m=(n<=1000)?(n:n-(n-i>>1));for (j=i+1;j<=m;j++)
                                                                                                                        ^
0_0_34097414_16571.cpp:33:120: error: expected primary-expression before ';' token