View Compilation Error

0_0_39557181_27577.cpp: In function 'void solve()':
0_0_39557181_27577.cpp:129:14: error: 'j' was not declared in this scope
  129 |         for (j = 0; j < limit; ++j)
      |              ^
0_0_39557181_27577.cpp:133:14: error: 'j' was not declared in this scope
  133 |         for (j = i; j <= num; ++j)
      |              ^