View Compilation Error

0_0_24596343_5626.cpp:2:3: error: stray '#' in program
 2.#include<algorithm>  
   ^
0_0_24596343_5626.cpp:2:1: error: expected unqualified-id before numeric constant
 2.#include<algorithm>  
 ^
0_0_24596343_5626.cpp:4:1: error: expected unqualified-id before numeric constant
 4.int main()  
 ^