View Compilation Error

0_0_30271296_11746.cpp: In function 'int main()':
0_0_30271296_11746.cpp:86:23: error: unable to find numeric literal operator 'operator""m'
  for (int i = 10, j = 1m k = 0; i <= maxx; i *= 10, ++j, k = i) fill(cnt + k, cnt + i, j);
                       ^
0_0_30271296_11746.cpp:86:23: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes
0_0_30271296_11746.cpp:86:58: error: 'k' was not declared in this scope
  for (int i = 10, j = 1m k = 0; i <= maxx; i *= 10, ++j, k = i) fill(cnt + k, cnt + i, j);
                                                          ^