View Compilation Error

0_0_19609791_28293.cpp:2:4: error: stray '#' in program
  2 #include<cstring>
    ^
0_0_19609791_28293.cpp:3:4: error: stray '#' in program
  3 #include<iostream>
    ^
0_0_19609791_28293.cpp:4:4: error: stray '#' in program
  4 #include<algorithm>
    ^
0_0_19609791_28293.cpp:5:4: error: stray '#' in program
  5 #include<vector>
    ^
0_0_19609791_28293.cpp:7:4: error: stray '#' in program
  7 #define PB(x) push_back(x)
    ^
0_0_19609791_28293.cpp:2:2: error: expected unqualified-id before numeric constant
  2 #include<cstring>
  ^
0_0_19609791_28293.cpp:7:2: error: expected unqualified-id before numeric constant
  7 #define PB(x) push_back(x)
  ^