0_0_39342281_15183.cpp: In function 'void solve()':
0_0_39342281_15183.cpp:87:9: error: 'memset' was not declared in this scope
87 | memset(tree, 0, sizeof tree);
| ^~~~~~
0_0_39342281_15183.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
2 | #include<cstdio>
+++ |+#include <cstring>
3 |
|