View Compilation Error

0_0_14016019_11585.cpp: In function 'int main()':
0_0_14016019_11585.cpp:26:16: error: 'strlen' was not declared in this scope
    len=strlen(s);
                ^
0_0_14016019_11585.cpp:3:13: error: 'oxfffff' was not declared in this scope
 #define INF oxfffff
             ^
0_0_14016019_11585.cpp:38:16: note: in expansion of macro 'INF'
     Edge[i][j]=INF;
                ^
0_0_14016019_11585.cpp:41:39: error: 'strcmp' was not declared in this scope
     if(strcmp(dic[i].back,dic[j].front)==0)
                                       ^
0_0_14016019_11585.cpp:3:13: error: 'oxfffff' was not declared in this scope
 #define INF oxfffff
             ^
0_0_14016019_11585.cpp:54:12: note: in expansion of macro 'INF'
    int min=INF;//选择当前集合T中具有最短路径的顶点u
            ^
0_0_14016019_11585.cpp:3:13: error: 'oxfffff' was not declared in this scope
 #define INF oxfffff
             ^
0_0_14016019_11585.cpp:73:17: note: in expansion of macro 'INF'
   if(dist[N-1]==INF)
                 ^