answer.code: In function ‘int main()’:
answer.code:30:5: error: ‘memset’ was not declared in this scope
   30 |     memset(dp, -1, sizeof(dp));
      |     ^~~~~~
answer.code:2:1: note: ‘memset’ is defined in header ‘<cstring>’; did you forget to ‘#include <cstring>’?
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | 
answer.code:29:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   29 |     scanf("%d%d%d", &n, &k, &t);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~