View Compilation Error

0_0_21716631_9097.cpp: In function 'int main()':
0_0_21716631_9097.cpp:71:13: error: too few arguments to function 'void* memset(void*, int, size_t)'
      memset()
             ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstring:42:0,
                 from 0_0_21716631_9097.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/string.h:43:18: note: declared here
   void * __cdecl memset(void *_Dst,int _Val,size_t _Size);
                  ^
0_0_21716631_9097.cpp:72:21: error: 'i' was not declared in this scope
      for(int i = 0; i < m; i++)  
                     ^