0_0_39408143_8644.cpp: In function 'int main()':
0_0_39408143_8644.cpp:31:17: error: 'memset' was not declared in this scope
31 | memset(crr, 0, sizeof crr);
| ^~~~~~
0_0_39408143_8644.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
1 | #include <iostream>
+++ |+#include <cstring>
2 | using namespace std;
|