View Compilation Error

0_0_38550601_16172.cpp: In function 'int main()':
0_0_38550601_16172.cpp:9:19: error: unable to find numeric literal operator 'operator""B'
     for(i=0;i<N;i%2B%2B)
                   ^
0_0_38550601_16172.cpp:9:19: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550601_16172.cpp:9:22: error: unable to find numeric literal operator 'operator""B'
     for(i=0;i<N;i%2B%2B)
                      ^
0_0_38550601_16172.cpp:9:22: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_38550601_16172.cpp:12:25: error: unable to find numeric literal operator 'operator""B'
 ss=sqrt((x2-x1)*(x2-x1)%2B(y2-y1)*(y2-y1));
                         ^
0_0_38550601_16172.cpp:12:25: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes