我正在尝试为电话支持中心规划的问题开发一个巧克力解决方案。在从8:00到20:00的12小时内。
变量和约束:
我不能做的对比:
我知道每位员工的工作时间数但我无法将其列入跟踪时间:/
结果将是:
但直到现在我才得到my result untill now
我认为这有点问题......如果你能救我的命,请告诉我代码中缺少的约束。
我的代码
package projetppc;
import java.util.Arrays;
import javax.swing.SortingFocusTraversalPolicy;
import org.chocosolver.solver.Model;
import org.chocosolver.solver.Solution;
import org.chocosolver.solver.variables.IntVar;
public class ProjetPPC {
public void modelAndSolve() {
int k = 9;
int htpj = 12;
int h = 4;
int H = 6;
int C = 2;
int HT = 42;
Model model = new Model(k + "- CAT");
int[] numOfemp = {1, 2, 4, 5, 5, 4, 5, 5, 3, 4, 2, 2};
IntVar[][] matrix = new IntVar[k][htpj];
for (int i = 0; i < k; i++) {
for (int j = 0; j < htpj; j++) {
matrix[i][j] = model.intVar("(" + i + "," + j + ")", 0, 1);
}
}
model.arithm(matrix[0][0], "=", 1).post();
int[] coeffs1 = new int[htpj];
Arrays.fill(coeffs1, 1);
// constraint 1 et 2
for (int i = 0; i < k; i++) {
model.scalar(matrix[i], coeffs1, "<=", H).post();
model.scalar(matrix[i], coeffs1, ">=", h).post();
}
int[] coeffs2 = new int[k];
Arrays.fill(coeffs2, 1);
IntVar[][] inversematrix = new IntVar[htpj][k];
for (int i = 0; i < k; i++) {
for (int j = 0; j < htpj; j++) {
inversematrix[j][i] = matrix[i][j];
}
}
// constraint
for (int i = 0; i < htpj; i++) {
model.scalar(inversematrix[i], coeffs2, "=", numOfemp[i]).post();
}
// constraint
IntVar[] alltable = new IntVar[k * htpj];
for (int i = 0; i < k; i++) {
for (int j = 0; j < htpj; j++) {
alltable[(htpj * i) + j] = matrix[i][j];
}
}
int[] coeffs3 = new int[k * htpj];
Arrays.fill(coeffs3, 1);
model.scalar(alltable, coeffs3, ">=", HT).post();
model.scalar(alltable, coeffs3, "<=", HT + C).post();
// solution
Solution solution = model.getSolver().findSolution();
if (solution != null) {
for (int i = 0; i < k; i++) {
System.out.println("employé " + i + " " + Arrays.toString(matrix[i]));
}
} else {
System.out.println("Pas de solution.");
}
}
public static void main(String[] args) {
new ProjetPPC().modelAndSolve();
}
}