View Compilation Error

0_0_30201960_6834.cpp: In function 'int main()':
0_0_30201960_6834.cpp:14:15: error: 'tmp' was not declared in this scope
    if(v%4==0) tmp^=(v-1);
               ^
0_0_30201960_6834.cpp:15:28: error: 'tmp' was not declared in this scope
    else if(v%4==1||v%4==2) tmp^=v;
                            ^
0_0_30201960_6834.cpp:16:9: error: 'tmp' was not declared in this scope
    else tmp^=(v+1);
         ^
0_0_30201960_6834.cpp:17:7: error: 'tmp' was not declared in this scope
    if(tmp) printf("Alice\n");
       ^