View Compilation Error

0_0_38550741_12053.cpp: In function 'int main(int, char**)':
0_0_38550741_12053.cpp:8:12: error: unable to find numeric literal operator 'operator""B'
  for(i=0;i%2B%2B;i<2)
            ^
0_0_38550741_12053.cpp:8:12: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550741_12053.cpp:8:15: error: unable to find numeric literal operator 'operator""B'
  for(i=0;i%2B%2B;i<2)
               ^
0_0_38550741_12053.cpp:8:15: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550741_12053.cpp:11:21: error: unable to find numeric literal operator 'operator""B'
   j=(x1-x2)*(x1-x2)%2B(y1-y2)*(y1-y2);
                     ^
0_0_38550741_12053.cpp:11:21: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes