Submission #1333319

#	Time	Username	Problem	Language	Result	Execution time	Memory
1333319		Andrey	게임 (APIO22_game)	C++20	Compilation error	0 ms	0 KiB

game

#include <cstdio>
#include <cstdlib>
#include <vector>
#include "game.h"
#include "game.cpp"

namespace {

int read_int() {
  int x;
  if (scanf("%d", &x) != 1) {
    fprintf(stderr, "Error while reading input\n");
    exit(1);
  }
  return x;
}

}  // namespace

int main() {
  int N = read_int();
  int M = read_int();
  int K = read_int();
  std::vector<int> u(M), v(M);
  for (int i = 0; i < M; ++i) {
    u[i] = read_int();
    v[i] = read_int();
  }

  init(N, K);
  int i;
  for (i = 0; i < M; ++i) {
    int answer = add_teleporter(u[i], v[i]);
    if (answer != 0 && answer != 1) {
      i = -1;
      break;
    } else if (answer == 1) {
      break;
    }
  }
  printf("%d\n", i);
  return 0;
}

Compilation message (stderr)

In file included from game.cpp:1,
                 from game.cpp:5,
                 from game.cpp:5,
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/usr/include/c++/13/cstdio:41:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   41 | #include <bits/c++config.h>
      |                            ^
/usr/include/c++/13/cstdio:42:19: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   42 | #include <stdio.h>
      |                   ^
In file included from game.cpp:2:
/usr/include/c++/13/cstdlib:41:28: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
   41 | #include <bits/c++config.h>
      |                            ^
In file included from game.cpp:5:
game.cpp:1:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    1 | #include <cstdio>
      |                  ^
game.cpp:2:19: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    2 | #include <cstdlib>
      |                   ^
game.cpp:3:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    3 | #include <vector>
      |                  ^
game.cpp:4:18: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    4 | #include "game.h"
      |                  ^
game.cpp:5:20: error: #include nested depth 200 exceeds maximum of 200 (use -fmax-include-depth=DEPTH to increase the maximum)
    5 | #include "game.cpp"
      |                    ^
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:20:5: error: redefinition of 'int main()'
   20 | int main() {
      |     ^~~~
game.cpp:20:5: note: 'int main()' previously defined here
   20 | int main() {
      |     ^~~~
game.cpp:9:5: error: redefinition of 'int {anonymous}::read_int()'
    9 | int read_int() {
      |     ^~~~~~~~
game.cpp:9:5: note: 'int {anonymous}::read_int()' previously defined here
    9 | int read_int() {
      |     ^~~~~~~~
game.