View Compilation Error

0_0_38928858_14220.cpp: In function 'int main()':
0_0_38928858_14220.cpp:36:17: error: 'memset' was not declared in this scope
   36 |                 memset(city, -1, sizeof(city));
      |                 ^~~~~~
0_0_38928858_14220.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include <algorithm>
  +++ |+#include <cstring>
    5 | using namespace std;