Submission #1693226

---

Source Code Expand

#include <bits/stdc++.h>

long long n, x;

int main() {
  scanf("%lld%lld", &n, &x);
  printf("%lld\n", 3 * (n - __gcd(n, x)));
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:39: error: ‘__gcd’ was not declared in this scope
   printf("%lld\n", 3 * (n - __gcd(n, x)));
                                       ^
./Main.cpp:7:39: note: suggested alternative:
In file included from /usr/include/c++/5/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:64,
                 from ./Main.cpp:1:
/usr/include/c++/5/bits/stl_algo.h:1229:5: note:   ‘std::__gcd’
     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
     ^
./Main.cpp:6:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &n, &x);
                            ^