View Compilation Error

0_0_32801684_15082.cpp: In function 'int main()':
0_0_32801684_15082.cpp:66:20: error: unable to find string literal operator 'operator""sum'
             printf("%.2lf "sum[i]);
                    ^
0_0_32801684_15082.cpp:69:20: error: unable to find string literal operator 'operator""sub'
             printf("%.2lf "sub[i]);
                    ^