answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:5: error: ‘bits’ was not declared in this scope
    1 | xe <bits/stdc++.h>
      |     ^~~~
answer.code:1:10: error: ‘stdc’ was not declared in this scope; did you mean ‘std’?
    1 | xe <bits/stdc++.h>
      |          ^~~~
      |          std
answer.code:1:1: error: ‘xe’ does not name a type
    1 | xe <bits/stdc++.h>
      | ^~
answer.code:13:1: error: ‘mt19937’ does not name a type
   13 | mt19937 rng(2006);
      | ^~~~~~~
answer.code: In function ‘void fillc(int, int)’:
answer.code:19:57: error: ‘abs’ was not declared in this scope
   19 |                         if (filledr[x] && filledc[j] && abs(sumr[x] - sumc[j]) != c[x][j]) {
      |                                                         ^~~
answer.code: In function ‘void fillr(int, int)’:
answer.code:55:57: error: ‘abs’ was not declared in this scope
   55 |                         if (filledr[i] && filledc[y] && abs(sumr[i] - sumc[y]) != c[i][y]) {
      |                                                         ^~~
answer.code: In function ‘void solve()’:
answer.code:88:9: error: ‘vector’ was not declared in this scope
   88 |         vector<int> gudr, gudc;
      |         ^~~~~~
answer.code:88:16: error: expected primary-expression before ‘int’
   88 |         vector<int> gudr, gudc;
      |                ^~~
answer.code:91:25: error: ‘gudr’ was not declared in this scope
   91 |                         gudr.push_back(i);
      |                         ^~~~
answer.code:96:25: error: ‘gudc’ was not declared in this scope
   96 |                         gudc.push_back(i);
      |                         ^~~~
answer.code:99:13: error: ‘gudr’ was not declared in this scope
   99 |         if (gudr.empty() && gudc.empty()) {
      |             ^~~~
answer.code:99:29: error: ‘gudc’ was not declared in this scope
   99 |         if (gudr.empty() && gudc.empty()) {
      |                             ^~~~
answer.code:102:33: error: ‘cout’ was not declared in this scope
  102 |                                 cout << a[i][j] << ' ';
      |                                 ^~~~
answer.code:104:25: error: ‘cout’ was not declared in this scope
  104 |                         cout << '\n';
      |                         ^~~~
answer.code:106:17: error: ‘exit’ was not declared in this scope
  106 |                 exit(0);
      |                 ^~~~
answer.code:1:1: note: ‘exit’ is defined in header ‘<cstdlib>’; did you forget to ‘#include <cstdlib>’?
  +++ |+#include <cstdlib>
    1 | xe <bits/stdc++.h>
answer.code:108:16: error: ‘gudr’ was not declared in this scope
  108 |         if (SZ(gudr) > SZ(gudc)) {
      |                ^~~~
answer.code:4:21: note: in definition of macro ‘SZ’
    4 | #define SZ(x) (int) x.size()
      |                     ^
answer.code:108:27: error: ‘gudc’ was not declared in this scope
  108 |         if (SZ(gudr) > SZ(gudc)) {
      |                           ^~...