View Compilation Error

0_0_36602243_16446.cpp: In function 'int main()':
0_0_36602243_16446.cpp:7:22: error: unable to find numeric literal operator 'operator""n'
     for(i=0,sum=0;i<=0n;i++)
                      ^
0_0_36602243_16446.cpp:7:22: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_36602243_16446.cpp:9:19: error: 'print' was not declared in this scope
     print("%d",sum);
                   ^