View Compilation Error

0_0_22319366_16575.cpp:1:4: error: stray '#' in program
 01.#include <iostream>   
    ^
0_0_22319366_16575.cpp:1:1: error: expected unqualified-id before numeric constant
 01.#include <iostream>   
 ^
0_0_22319366_16575.cpp:3:1: error: expected unqualified-id before numeric constant
 03.const int maxn = 1000010;  
 ^
0_0_22319366_16575.cpp:4:1: error: expected unqualified-id before numeric constant
 04.const int INF = 1000000000;   
 ^
0_0_22319366_16575.cpp:5:1: error: expected unqualified-id before numeric constant
 05.int s[maxn],dp[maxn],pre[maxn];  
 ^
0_0_22319366_16575.cpp:6:1: error: expected unqualified-id before numeric constant
 06.int main()  
 ^