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0_0_38824280_894.cpp:13:9: error: 'int64_t' does not name a type
   13 | typedef int64_t s64;
      |         ^~~~~~~
0_0_38824280_894.cpp:12:1: note: 'int64_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
   11 | #include<cstdio>
  +++ |+#include <cstdint>
   12 | typedef long long ll;