View Compilation Error

0_0_37446152_22022.cpp: In function 'int main()':
0_0_37446152_22022.cpp:27:41: error: 'memset' was not declared in this scope
   memset(linkMap, false, sizeof(linkMap));
                                         ^
0_0_37446152_22022.cpp:43:1: error: expected '}' at end of input
 }
 ^