View Compilation Error

0_0_38899046_23707.cpp:151:1: error: 'int32_t' does not name a type
  151 | int32_t main() {
      | ^~~~~~~
0_0_38899046_23707.cpp:31:1: note: 'int32_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
   30 | #include <unordered_set>
  +++ |+#include <cstdint>
   31 | #include <vector>