View Compilation Error

0_0_38217771_8618.cpp: In function 'void getSG(int)':
0_0_38217771_8618.cpp:9:29: error: 'memset' was not declared in this scope
     memset(SG, 0, sizeof(SG));
                             ^
0_0_38217771_8618.cpp: In function 'int main()':
0_0_38217771_8618.cpp:24:28: error: 'printf' was not declared in this scope
         printf("k=%2d：", k);
                            ^
0_0_38217771_8618.cpp:25:54: error: 'pow' was not declared in this scope
         for (int i = 0; i <= 10; i++) f[i] = pow(k, i);
                                                      ^
0_0_38217771_8618.cpp:28:16: error: 'puts' was not declared in this scope
         puts("");
                ^