View Compilation Error

0_0_15325005_30803.cpp: In function 'void Handle()':
0_0_15325005_30803.cpp:42:43: error: 'memset' was not declared in this scope
     memset(GraphEdge, 0, sizeof(GraphEdge));
                                           ^
0_0_15325005_30803.cpp:62:1: error: jump to label 'Result' [-fpermissive]
 Result:
 ^
0_0_15325005_30803.cpp:50:14: error:   from here [-fpermissive]
         goto Result;
              ^
0_0_15325005_30803.cpp:53:21: error:   crosses initialization of 'int iFull'
     int iEmpty = 0, iFull = (1 << M) - 1;
                     ^
0_0_15325005_30803.cpp:53:9: error:   crosses initialization of 'int iEmpty'
     int iEmpty = 0, iFull = (1 << M) - 1;
         ^
0_0_15325005_30803.cpp: In function 'void BFS(int, int)':
0_0_15325005_30803.cpp:121:35: error: 'memset' was not declared in this scope
     memset(Visit, 0, sizeof(Visit));
                                   ^