View Compilation Error

0_0_21339145_28445.cpp: In function 'int main()':
0_0_21339145_28445.cpp:89:15: error: 'ans1' was not declared in this scope
         cout<<ans1<<endl;
               ^
0_0_21339145_28445.cpp: At global scope:
0_0_21339145_28445.cpp:91:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_21339145_28445.cpp:92:1: error: expected declaration before '}' token
 }
 ^