View Compilation Error

0_0_38752837_2986.cpp: In function 'long long int gauss()':
0_0_38752837_2986.cpp:53:7: error: 'j' was not declared in this scope
   53 |     a[j][n+1]/= a[i][i];
      |       ^
0_0_38752837_2986.cpp:53:19: error: 'i' was not declared in this scope
   53 |     a[j][n+1]/= a[i][i];
      |                   ^