View Compilation Error

0_0_36667131_2138.cpp: In function 'long long int odd(long long int, long long int)':
0_0_36667131_2138.cpp:10:9: error: 't' was not declared in this scope
 if(a&&b)t=t/2+2;
         ^
0_0_36667131_2138.cpp:11:16: error: 't' was not declared in this scope
 else if(!a&&!b)t=t/2+1;
                ^
0_0_36667131_2138.cpp:12:6: error: 't' was not declared in this scope
 else t=t/2+1;
      ^
0_0_36667131_2138.cpp:13:8: error: 't' was not declared in this scope
 return t;
        ^