View Compilation Error

0_0_38747101_17757.cpp:5:13: error: 'int64_t' does not name a type
    5 | using i64 = int64_t;
      |             ^~~~~~~
0_0_38747101_17757.cpp:4:1: note: 'int64_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
    3 | #include<vector>
  +++ |+#include <cstdint>
    4 | using namespace std;
0_0_38747101_17757.cpp:6:13: error: 'uint32_t' does not name a type
    6 | using u32 = uint32_t;
      |             ^~~~~~~~
0_0_38747101_17757.cpp:6:13: note: 'uint32_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
0_0_38747101_17757.cpp:7:13: error: 'uint64_t' does not name a type
    7 | using u64 = uint64_t;
      |             ^~~~~~~~
0_0_38747101_17757.cpp:7:13: note: 'uint64_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?