43 lines
970 B
MiniZinc
43 lines
970 B
MiniZinc
enum JOB;
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enum TASK;
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TASK: last = max(TASK);
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% Duración de tareas.
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array [JOB,TASK] of int: d;
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% Duración total.
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int: total = sum(i in JOB, j in TASK)(d[i,j]);
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% Dígitos para salida.
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int: digs = ceil(log(10.0,int2float(total)));
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% Horas de inicio.
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array [JOB,TASK] of var 0..total: s;
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% Tiempo de finalización total.
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var 0..total: end;
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% Asegurar de que las tareas se realicen en secuencia.
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constraint
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forall(i in JOB) (
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forall(j in TASK where j < last)
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(s[i,j] + d[i,j] <= s[i,enum_next(TASK,j)]) /\
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s[i,last] + d[i,last] <= end
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);
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% Garantizar que no se superponen las tareas.
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constraint
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forall(j in TASK) (
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forall(i,k in JOB where i < k) (
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s[i,j] + d[i,j] <= s[k,j] \/
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s[k,j] + d[k,j] <= s[i,j]
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)
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);
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solve minimize end;
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output ["Fin = \(end)\n"] ++
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[ show_int(digs,s[i,j]) ++ " " ++
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if j == last then "\n" else "" endif |
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i in JOB, j in TASK ];
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