View Compilation Error

0_0_26075202_15100.cpp:14:25: error: elements of array 'std::tuple<int, int, int> q [444]' have incomplete type
 tuple<int,int,int> q[444];
                         ^
0_0_26075202_15100.cpp:14:25: error: storage size of 'q' isn't known
0_0_26075202_15100.cpp: In function 'void randomWork()':
0_0_26075202_15100.cpp:28:27: error: 'make_tuple' was not declared in this scope
    q[++l]=make_tuple(S,i,j);
                           ^
0_0_26075202_15100.cpp:34:15: error: 'tie' was not declared in this scope
   tie(uS,ux,uy)=q[++f];
               ^
0_0_26075202_15100.cpp:46:32: error: 'make_tuple' was not declared in this scope
      q[++l]=make_tuple(tS,tx,ty);
                                ^