View Compilation Error

0_0_37445736_26466.cpp: In function 'int hungary()':
0_0_37445736_26466.cpp:40:36: error: 'memset' was not declared in this scope
     memset(match, -1, sizeof(match));
                                    ^
0_0_37445736_26466.cpp: In function 'int main()':
0_0_37445736_26466.cpp:54:35: error: 'memset' was not declared in this scope
         memset(map, 0, sizeof(map));
                                   ^