View Compilation Error

0_0_39307033_23036.cpp: In function 'int main()':
0_0_39307033_23036.cpp:21:9: error: 'int32_t' was not declared in this scope
   21 |         int32_t m;
      |         ^~~~~~~
0_0_39307033_23036.cpp:4:1: note: 'int32_t' is defined in header '<cstdint>'; did you forget to '#include <cstdint>'?
    3 | #include <algorithm>
  +++ |+#include <cstdint>
    4 | int gcd(int a, int b) {
0_0_39307033_23036.cpp:22:21: error: 'm' was not declared in this scope
   22 |         std::cin >> m;
      |                     ^