View Compilation Error

0_0_17780355_4081.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_17780355_4081.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_17780355_4081.cpp: In function 'void BFS(int)':
0_0_17780355_4081.cpp:77:30: error: 'memset' was not declared in this scope
     memset (vis,0,sizeof(vis));
                              ^
0_0_17780355_4081.cpp: In function 'void solve()':
0_0_17780355_4081.cpp:109:30: error: 'memset' was not declared in this scope
     memset (vis,0,sizeof(vis));
                              ^
0_0_17780355_4081.cpp:128:31: error: 'printf' was not declared in this scope
     printf ("%d\n",bridge-maxn);
                               ^
0_0_17780355_4081.cpp: In function 'int main()':
0_0_17780355_4081.cpp:137:32: error: 'scanf' was not declared in this scope
     while (~scanf ("%d%d",&n,&m))
                                ^
0_0_17780355_4081.cpp:141:37: error: 'memset' was not declared in this scope
         memset (head,-1,sizeof(head));
                                     ^