View Compilation Error

1_734_472_15498.cpp: In function 'int main()':
1_734_472_15498.cpp:39:44: error: unable to find numeric literal operator 'operator""c'
             else if(cur>val) {ans+=cur/val-1c;more=cur%val;}
                                            ^
1_734_472_15498.cpp:39:44: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes