View Compilation Error

0_0_33602033_11342.cpp: In function 'int main()':
0_0_33602033_11342.cpp:81:50: error: expected ')' at end of input
             p[i].x = std::lower_bound(a + 1, a + m1
                                                  ^
0_0_33602033_11342.cpp:81:50: error: expected '}' at end of input
0_0_33602033_11342.cpp:81:50: error: expected '}' at end of input
0_0_33602033_11342.cpp:81:50: error: expected '}' at end of input