View Compilation Error

0_0_19609961_14057.cpp: In function 'int main()':
0_0_19609961_14057.cpp:20:23: error: 'memset' was not declared in this scope
   memset(g,0,sizeof(g));
                       ^
0_0_19609961_14057.cpp:40:25: error: expected '}' at end of input
      dp[j|(1<<k)]+=dp[j];//j状态变成j|(1<<k)]状态产生的排列数，j|(1<<k)]状态是j状态第i+1个位置选择了k之后的状态
                         ^
0_0_19609961_14057.cpp:40:25: error: expected '}' at end of input
0_0_19609961_14057.cpp:40:25: error: expected '}' at end of input
0_0_19609961_14057.cpp:40:25: error: expected '}' at end of input