//Input data for Online Solver at https://www.lutanho.net/plt/lotsize.html
//The data is adapted from the article 
//Walid Khellaf, Romain Guillaume, Jacques Lamothe (2022): 
//Compiling capacitated single-item lot-sizing problem in a CostMDD
//I u_0 y_0 y_I
  4; 0;  0;  0;
startup x_min fix var x_max demand y_min fix var y_max
   0;     0,   4,  1,  8;     4;     0,   0,  1,  1;
   0;     0,   3,  2,  8;     2;     0,   0,  2,  1;
   0;     0,   2,  1,  8;     4;     0,   0,  3,  1;
   0;     0,   1,  3,  8;     8;     0,   0,  4,  1;