0_0_38479213_27737.cpp: In function 'void cnt()':
0_0_38479213_27737.cpp:17:19: error: 'pow' was not declared in this scope
P[i] = pow(2, -i);
^
0_0_38479213_27737.cpp: In function 'void solve()':
0_0_38479213_27737.cpp:24:26: error: call of overloaded 'abs(double)' is ambiguous
double len = abs(xL - xR), h = abs(yL - yr);
^
0_0_38479213_27737.cpp:24:26: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdlib:72:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/string_conversions.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2850,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_38479213_27737.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/stdlib.h:329:15: note: int abs(int)
int __cdecl abs(int _X);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/string_conversions.h:41:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2850,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_38479213_27737.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdlib:174:3: note: long long int std::abs(long long int)
abs(long long __x) { return __builtin_llabs (__x); }
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdlib:166:3: note: long int std::abs(long int)
abs(long __i) { return __builtin_labs(__i); }
^
0_0_38479213_27737.cpp:26:11: error: 'h' was not declared in this scope
cout << h * len / 2;
^
0_0_38479213_27737.cpp:30:11: error: 'h' was not declared in this scope
cout << h * len / 2 + 5.0 / 4 * len * h;
^
0_0_38479213_27737.cpp:33:15: error: 'h' was not declared in this scope
double ans = h * len / 2 + h / 2 * len * (1 - P[k - 2]) + h * (2 * (k - 2) * len - 2 * len + len * P[k - 3]);
^
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