View Compilation Error

0_0_38550760_26170.cpp: In function 'int main()':
0_0_38550760_26170.cpp:5:16: error: 'long' invalid for 's'
     long float s;
                ^
0_0_38550760_26170.cpp:9:38: error: 'quar' was not declared in this scope
      s=quar(pow(x1-x2,2)+pow(y1-y2,2));
                                      ^