View Compilation Error

0_0_33714695_25458.cpp: In function 'int main()':
0_0_33714695_25458.cpp:59:11: error: unable to find numeric literal operator 'operator""cnt'
  int flag=1.cnt=0;
           ^
0_0_33714695_25458.cpp:59:11: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes