Submission #1711076

---

Source Code Expand

#include <iomanip>
#include <iostream>

using namespace std;

int main() {
  int n, m;
  double w, x, y, z;
  cin >> n >> m;
  x = ((n % 12) * 30) + (0.5 * m);
  y = 6 * m;
  z = abs(x - y);
  w = 360 - z;
  if (z > w)
    cout << setprecision(4) << w << endl;
  else
    cout << setprecision(4) << z << endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:16: error: call of overloaded ‘abs(double)’ is ambiguous
   z = abs(x - y);
                ^
In file included from /usr/include/c++/5/cstdlib:72:0,
                 from /usr/include/c++/5/ext/string_conversions.h:41,
                 from /usr/include/c++/5/bits/basic_string.h:5334,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/iomanip:40,
                 from ./Main.cpp:1:
/usr/include/stdlib.h:775:12: note: candidate: int abs(int)
 extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
            ^
In file included from /usr/include/c++/5/ext/string_conversions.h:41:0,
                 from /usr/include/c++/5/bits/basic_string.h:5334,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
               ...