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View Compilation Error

0_0_39111223_5150.cpp: In function 'void solve()':
0_0_39111223_5150.cpp:37:9: error: 'memset' was not declared in this scope
   37 |         memset(sum0,0,sizeof sum0);
      |         ^~~~~~
0_0_39111223_5150.cpp:4:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    3 | #include<vector>
  +++ |+#include <cstring>
    4 | #pragma GCC optimiz(3)


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