View Compilation Error

0_0_23982036_3403.cpp: In function 'int main()':
0_0_23982036_3403.cpp:16:10: error: 'inc' was not declared in this scope
    ans = inc / tot;
          ^
0_0_23982036_3403.cpp:21:10: error: 'inc' was not declared in this scope
    ans = inc / tot;
          ^
0_0_23982036_3403.cpp:28:11: error: 'inc' was not declared in this scope
     ans = inc / tot;
           ^
0_0_23982036_3403.cpp:33:11: error: 'inc' was not declared in this scope
     ans = inc / tot;
           ^
0_0_23982036_3403.cpp:39:11: error: 'inc' was not declared in this scope
     ans = inc / tot;
           ^