View Compilation Error

0_0_38749382_5180.cpp: In function 'int main()':
0_0_38749382_5180.cpp:15:25: error: 'strlen' was not declared in this scope
   15 |                 int len=strlen(t);
      |                         ^~~~~~
0_0_38749382_5180.cpp:4:1: note: 'strlen' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    3 | #include<map>
  +++ |+#include <cstring>
    4 | using namespace std;
0_0_38749382_5180.cpp:16:17: error: 'memset' was not declared in this scope
   16 |                 memset(a,0,sizeof(a));
      |                 ^~~~~~
0_0_38749382_5180.cpp:16:17: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?