il faut trouver U indice 100 avec l'aide des listes:
u1=120    u1=1     c la plus difficile:u1=2      u1=0      u1=0
u2=60     u2=2                         u2=4      u2=5      u2=0
u3=20     u3=2                         u3=5      u3=20     u3=-4
u4=5      u4=4                         u4=3      u4=65     u4=-18
u5=1      u5=8                         u5=3      u5=200    u5=-48
u6=6      u6=32                        u6=2      u6=605    u6=-100
u100=?    u100=?                       u7=6      u100=?    u100=?
                                       u8=5
                                       u9=1
                                       u10=4
                                       u11=4
                                       u12=2
                                       u100=?