此问题一共有2^5=32种排列,穷举法计算结果如下:
0 23.000000: F2,22.608696,F3,33.913043,F5,56.521739,F6,67.826087,F7,79.130435,
1 24.000000: M2, 32.500000,F3,32.500000,F5,54.166667,F6,65.000000,F7,75.833333,
2 24.500000: F2,21.224490,M3, 47.755102,F5,53.061224,F6,63.673469,F7,74.285714,
3 25.500000: M2, 30.588235,M3, 45.882353,F5,50.980392,F6,61.176471,F7,71.372549,
4 25.500000: F2,20.392157,F3,30.588235,M5, 76.470588,F6,61.176471,F7,71.372549,
5 26.500000: M2, 29.433962,F3,29.433962,M5, 73.584906,F6,58.867925,F7,68.679245,
6 27.000000: F2,19.259259,M3, 43.333333,M5, 72.222222,F6,57.777778,F7,67.407407,
7 28.000000: M2, 27.857143,M3, 41.785714,M5, 69.642857,F6,55.714286,F7,65.000000,
8 26.000000: F2,20.000000,F3,30.000000,F5,50.000000,M6, 90.000000,F7,70.000000,###
9 27.000000: M2, 28.888889,F3,28.888889,F5,48.148148,M6, 86.666667,F7,67.407407,
10 27.500000: F2,18.909091,M3, 42.545455,F5,47.272727,M6, 85.090909,F7,66.181818,
11 28.500000: M2, 27.368421,M3, 41.052632,F5,45.614035,M6, 82.105263,F7,63.859649,
12 28.500000: F2,18.245614,F3,27.368421,M5, 68.421053,M6, 82.105263,F7,63.859649,
13 29.500000: M2, 26.440678,F3,26.440678,M5, 66.101695,M6, 79.322034,F7,61.694915,
14 30.000000: F2,17.333333,M3, 39.000000,M5, 65.000000,M6, 78.000000,F7,60.666667,
15 31.000000: M2, 25.161290,M3, 37.741935,M5, 62.903226,M6, 75.483871,F7,58.709677,
16 26.500000: F2,19.622642,F3,29.433962,F5,49.056604,F6,58.867925,M7, 103.018868,
17 27.500000: M2, 28.363636,F3,28.363636,F5,47.272727,F6,56.727273,M7, 99.272727,
18 28.000000: F2,18.571429,M3, 41.785714,F5,46.428571,F6,55.714286,M7, 97.500000,
19 29.000000: M2, 26.896552,M3, 40.344828,F5,44.827586,F6,53.793103,M7, 94.137931,
20 29.000000: F2,17.931034,F3,26.896552,M5, 67.241379,F6,53.793103,M7, 94.137931,
21 30.000000: M2, 26.000000,F3,26.000000,M5, 65.000000,F6,52.000000,M7, 91.000000,###
22 30.500000: F2,17.049180,M3, 38.360656,M5, 63.934426,F6,51.147541,M7, 89.508197,
23 31.500000: M2, 24.761905,M3, 37.142857,M5, 61.904762,F6,49.523810,M7, 86.666667,
24 29.500000: F2,17.627119,F3,26.440678,F5,44.067797,M6, 79.322034,M7, 92.542373,
25 30.500000: M2, 25.573770,F3,25.573770,F5,42.622951,M6, 76.721311,M7, 89.508197,
26 31.000000: F2,16.774194,M3, 37.741935,F5,41.935484,M6, 75.483871,M7, 88.064516,
27 32.000000: M2, 24.375000,M3, 36.562500,F5,40.625000,M6, 73.125000,M7, 85.312500,
28 32.000000: F2,16.250000,F3,24.375000,M5, 60.937500,M6, 73.125000,M7, 85.312500,
29 33.000000: M2, 23.636364,F3,23.636364,M5, 59.090909,M6, 70.909091,M7, 82.727273,
30 33.500000: F2,15.522388,M3, 34.925373,M5, 58.208955,M6, 69.850746,M7, 81.492537,
31 34.500000: M2, 22.608696,M3, 33.913043,M5, 56.521739,M6, 67.826087,M7, 79.130435,
即,有且仅有2组解,前面的朋友已经给出这两组解了。 |