Submission #1401487
Source Code Expand
#include <iostream> #include <algorithm> int main(){ double a1,a2,b1,b2,c1,c2; std::cin>>a1>>a2>>b1>>b2>>c1>>c2; b1-=a1,c1-=a1,b2-=a2,c2-=a2; std::cout<<(fabs(b1*c2-b2*c1)/2.0)<<"\n"; }
Submission Info
Submission Time | |
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Task | C - 直訴 |
User | plcherrim |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 196 Byte |
Status | CE |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:30: error: ‘fabs’ was not declared in this scope std::cout<<(fabs(b1*c2-b2*c1)/2.0)<<"\n"; ^