View Compilation Error

0_0_32868160_6977.cpp:5:15: error: expected constructor, destructor, or type conversion before '(' token
         memset(fagong,0,sizeof(fagong));
               ^
0_0_32868160_6977.cpp:7:14: error: expected constructor, destructor, or type conversion before '(' token
         scanf("%d%d",&n,&m);
              ^
0_0_32868160_6977.cpp:8:9: error: expected unqualified-id before 'for'
         for(int i=1;i<=n;i++)
         ^
0_0_32868160_6977.cpp:8:21: error: 'i' does not name a type
         for(int i=1;i<=n;i++)
                     ^
0_0_32868160_6977.cpp:8:26: error: 'i' does not name a type
         for(int i=1;i<=n;i++)
                          ^
0_0_32868160_6977.cpp:12:9: error: expected unqualified-id before 'for'
         for(int i=0;i<m;i++)
         ^
0_0_32868160_6977.cpp:12:21: error: 'i' does not name a type
         for(int i=0;i<m;i++)
                     ^
0_0_32868160_6977.cpp:12:25: error: 'i' does not name a type
         for(int i=0;i<m;i++)
                         ^