View Compilation Error

0_0_38550759_29542.cpp: In function 'int main()':
0_0_38550759_29542.cpp:5:16: error: 'long' invalid for 's'
     long float s;
                ^
0_0_38550759_29542.cpp:6:19: error: unable to find numeric literal operator 'operator""B'
     for(i=0;i<n;i%2B%2B)
                   ^
0_0_38550759_29542.cpp:6:19: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550759_29542.cpp:6:22: error: unable to find numeric literal operator 'operator""B'
     for(i=0;i<n;i%2B%2B)
                      ^
0_0_38550759_29542.cpp:6:22: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550759_29542.cpp:9:26: error: unable to find numeric literal operator 'operator""Bpow'
      s=quar(pow(x1-x2,2)%2Bpow(y1-y2,2));
                          ^
0_0_38550759_29542.cpp:9:26: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550759_29542.cpp:9:40: error: 'quar' was not declared in this scope
      s=quar(pow(x1-x2,2)%2Bpow(y1-y2,2));
                                        ^