View Compilation Error

0_0_28987333_31001.cpp: In function 'int main()':
0_0_28987333_31001.cpp:15:22: error: 'long long' invalid for 's'
     long long double s,u,v,ans;
                      ^
0_0_28987333_31001.cpp:15:24: error: 'long long' invalid for 'u'
     long long double s,u,v,ans;
                        ^
0_0_28987333_31001.cpp:15:26: error: 'long long' invalid for 'v'
     long long double s,u,v,ans;
                          ^
0_0_28987333_31001.cpp:15:28: error: 'long long' invalid for 'ans'
     long long double s,u,v,ans;
                            ^