View Compilation Error

0_0_39476853_7479.cpp:20:13: error: 'int32_t' does not name a type
   20 | using i32 = int32_t;
      |             ^~~~~~~
0_0_39476853_7479.cpp:15:1: note: 'int32_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
   14 | #include <cassert>
  +++ |+#include <cstdint>
   15 | 
0_0_39476853_7479.cpp:68:1: error: 'i32' does not name a type
   68 | i32 main() {
      | ^~~