View Compilation Error

0_0_27365354_11271.cpp:2:4: error: stray '#' in program
  2 #include<algorithm>
    ^
0_0_27365354_11271.cpp:2:2: error: expected unqualified-id before numeric constant
  2 #include<algorithm>
  ^
0_0_27365354_11271.cpp:4:2: error: expected unqualified-id before numeric constant
  4 int n,m,per[105];
  ^
0_0_27365354_11271.cpp:5:2: error: expected unqualified-id before numeric constant
  5 struct node{
  ^
0_0_27365354_11271.cpp:8:5: error: 'x' does not name a type
  8 }x[5005];
     ^
0_0_27365354_11271.cpp:9:2: error: expected unqualified-id before numeric constant
  9 bool cmp(node a,node b)
  ^
0_0_27365354_11271.cpp:13:1: error: expected unqualified-id before numeric constant
 13 void init()
 ^