View Compilation Error

0_0_39520076_2510.cpp: In function 'void solve()':
0_0_39520076_2510.cpp:45:33: error: 'g3' was not declared in this scope; did you mean 'g1'?
   45 |                                 g3 = __gcd(a[i], a[j]);
      |                                 ^~
      |                                 g1