0_0_36177759_25444.cpp: In function 'void cal_distance(int*)':
0_0_36177759_25444.cpp:4:78: error: 'sqrt' was not declared in this scope
float a = sqrt((d[2] - d[0]) * (d[2] - d[0]) + (d[3] - d[1]) * (d[3] - d[1]));
^
0_0_36177759_25444.cpp:5:2: error: 'cout' was not declared in this scope
cout.setf(ios_base::fixed, ios_base::floatfield);
^
0_0_36177759_25444.cpp:5:2: note: suggested alternative:
In file included from 0_0_36177759_25444.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^
0_0_36177759_25444.cpp:5:12: error: 'ios_base' has not been declared
cout.setf(ios_base::fixed, ios_base::floatfield);
^
0_0_36177759_25444.cpp:5:29: error: 'ios_base' has not been declared
cout.setf(ios_base::fixed, ios_base::floatfield);
^
0_0_36177759_25444.cpp:6:12: error: 'ios_base' has not been declared
cout.setf(ios_base::showpoint);
^
0_0_36177759_25444.cpp:8:15: error: 'endl' was not declared in this scope
cout << a << endl;;
^
0_0_36177759_25444.cpp:8:15: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39:0,
from 0_0_36177759_25444.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:564:5: note: 'std::endl'
endl(basic_ostream<_CharT, _Traits>& __os)
^
0_0_36177759_25444.cpp: In function 'int main()':
0_0_36177759_25444.cpp:13:9: error: 'cin' was not declared in this scope
while (cin >> d[0] >> d[1] >> d[2] >> d[3])
^
0_0_36177759_25444.cpp:13:9: note: suggested alternative:
In file included from 0_0_36177759_25444.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:60:18: note: 'std::cin'
extern istream cin; /// Linked to standard input
^
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