Main.cc:1:1: error: ‘set’ does not name a type
setvec(int n){
^~~
Main.cc: In function ‘int equivalentPrimeNumber(int, int)’:
Main.cc:17:5: error: ‘set’ was not declared in this scope
setarr;
^~~
Main.cc:17:9: error: expected primary-expression before ‘int’
setarr;
^~~
Main.cc:20:9: error: ‘arr’ was not declared in this scope
arr = vec(i);
^~~
Main.cc:20:15: error: ‘vec’ was not declared in this scope
arr = vec(i);
^~~
Main.cc:22:16: error: ‘__gcd’ was not declared in this scope
if(__gcd(i,j) == 1) continue;
^~~~~