View Compilation Error

0_0_33368594_22376.cpp: In function 'int main()':
0_0_33368594_22376.cpp:185:22: error: 'make_unique' was not declared in this scope
         auto saptr = make_unique<SuffixArray>();
                      ^
0_0_33368594_22376.cpp:185:45: error: expected primary-expression before '>' token
         auto saptr = make_unique<SuffixArray>();
                                             ^
0_0_33368594_22376.cpp:185:47: error: expected primary-expression before ')' token
         auto saptr = make_unique<SuffixArray>();
                                               ^