View Compilation Error

0_0_36107243_32590.cpp: In function 'void dij(int)':
0_0_36107243_32590.cpp:24:33: error: 'memset' was not declared in this scope
     memset(inq,false,sizeof(inq));
                                 ^
0_0_36107243_32590.cpp: In function 'int main()':
0_0_36107243_32590.cpp:82:31: error: 'memset' was not declared in this scope
         memset(dp,0,sizeof(dp));
                               ^