View Compilation Error

0_0_37132571_28528.cpp: In function 'void match::init()':
0_0_37132571_28528.cpp:11:35: error: 'memset' was not declared in this scope
     memset(first, -1, sizeof first);
                                   ^
0_0_37132571_28528.cpp: In function 'void solve(int, int, int, int)':
0_0_37132571_28528.cpp:56:51: error: 'memset' was not declared in this scope
     memset(match::linker, -1, sizeof match::linker);
                                                   ^