View Compilation Error

0_0_38746014_31993.cpp:2:13: error: 'int64_t' does not name a type
    2 | using i64 = int64_t;
      |             ^~~~~~~
0_0_38746014_31993.cpp:2:1: note: 'int64_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
    1 | #include <iostream>
  +++ |+#include <cstdint>
    2 | using i64 = int64_t;
0_0_38746014_31993.cpp:3:13: error: 'uint32_t' does not name a type
    3 | using u32 = uint32_t;
      |             ^~~~~~~~
0_0_38746014_31993.cpp:3:13: note: 'uint32_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
0_0_38746014_31993.cpp:4:13: error: 'uint64_t' does not name a type
    4 | using u64 = uint64_t;
      |             ^~~~~~~~
0_0_38746014_31993.cpp:4:13: note: 'uint64_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?