0_0_39163058_18353.cpp: In function 'int main()':
0_0_39163058_18353.cpp:20:17: error: 'memset' was not declared in this scope
20 | memset(pos, 0, sizeof(pos));
| ^~~~~~
0_0_39163058_18353.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
4 | #include<cmath>
+++ |+#include <cstring>
5 | using namespace std;
|