View Compilation Error

0_0_27872611_31535.cpp:2:16: error: stray '#' in program
 using namespace#include<bits/stdc++.h>
                ^
0_0_27872611_31535.cpp:2:17: error: 'include' is not a namespace-name
 using namespace#include<bits/stdc++.h>
                 ^
0_0_27872611_31535.cpp:2:24: error: expected namespace-name before '<' token
 using namespace#include<bits/stdc++.h>
                        ^
0_0_27872611_31535.cpp:2:24: error: expected ';' before '<' token
0_0_27872611_31535.cpp:2:24: error: expected unqualified-id before '<' token
0_0_27872611_31535.cpp:25:9: error: 'pair' does not name a type
 typedef pair<int, int> pii;
         ^
0_0_27872611_31535.cpp:26:9: error: 'pair' does not name a type
 typedef pair<pii, int> pi3;
         ^
0_0_27872611_31535.cpp:27:9: error: 'vector' does not name a type
 typedef vector<int> VI;
         ^