View Compilation Error

0_0_21132663_19751.cpp: In function 'int main()':
0_0_21132663_19751.cpp:39:33: error: 'aveq' was not declared in this scope
             sump = sump + (t[i]*aveq - avep) * (t[i]*aveq - avep);
                                 ^
0_0_21132663_19751.cpp:39:40: error: 'avep' was not declared in this scope
             sump = sump + (t[i]*aveq - avep) * (t[i]*aveq - avep);
                                        ^
0_0_21132663_19751.cpp:41:26: error: 'aveq' was not declared in this scope
         r = getgcd(sump, aveq*aveq);
                          ^