Submission #5023883
Source Code Expand
#include <iostream> using namespace std; int main() { double xa, ya, xb, yb, xc, yc; cin >> xa >> ya >> xb >> yb >> xc >> yc; cout << abs((xa - xc) * (yb - yc) - (xb - xc) * (ya - yc)) / 2 << endl; return 0; }
Submission Info
Submission Time | |
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Task | C - 直訴 |
User | syuntdg62 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 229 Byte |
Status | CE |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:10:59: error: call of overloaded ‘abs(double)’ is ambiguous cout << abs((xa - xc) * (yb - yc) - (xb - xc) * (ya - yc)) / 2 << endl; ^ 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/ios:42, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, 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, ...