View Compilation Error

0_0_33577401_30668.cpp: In function 'int main()':
0_0_33577401_30668.cpp:101:9: error: expected ',' or ';' before 'long'
         long double xxx=sqrt(r*r-yyy*yyy);
         ^
0_0_33577401_30668.cpp:106:13: error: 'xxx' was not declared in this scope
             xxx=0;
             ^
0_0_33577401_30668.cpp:109:42: error: 'xxx' was not declared in this scope
         double ans = sqrt(sqr(yyy-d)+sqr(xxx-c))+sqrt(sqr(yyy-d)+sqr(xxx+c));
                                          ^