View Compilation Error

GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/string.h: In function `void dfs(int, int, int)':
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/string.h:40: error: too few arguments to function `void* memset(void*, int, size_t)'
0_0_4743088_16256.cpp:21: error: at this point in file