View Compilation Error

0_0_16743852_15916.cpp:2:4: error: stray '#' in program
 02.#include <math.h>  
    ^
0_0_16743852_15916.cpp:2:1: error: expected unqualified-id before numeric constant
 02.#include <math.h>  
 ^
0_0_16743852_15916.cpp:4:1: error: expected unqualified-id before numeric constant
 04.  
 ^
0_0_16743852_15916.cpp:6:1: error: expected unqualified-id before numeric constant
 06.int starti,startj,endi,endj,t,n,m;  
 ^
0_0_16743852_15916.cpp:7:1: error: expected unqualified-id before numeric constant
 07.int flag;  
 ^
0_0_16743852_15916.cpp:8:1: error: expected unqualified-id before numeric constant
 08.int direction[4][2]={{0,1},{0,-1},{1,0},{-1,0}};  
 ^